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hung like a horse part 1

By: a guest on Jul 19th, 2013 | syntax: None | size: 43.92 KB | hits: 8 | expires: Never

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Two points before I continue: Pardon for the not exactly original thread title, and sorry if the OP pic isn't exactly perfect, but I went with what I felt would work.
Anywho, welcome to another CYOA thread. In this one, we'll be going as a human who ended up in our lovable equine world, and soon he's going to be in for a big, saucy and changing surprise. So yes, expect plenty of TF here.
Now then, for the two rules I always use:
1.) No rerolls pls. If you like an idea, reply with your own if it didn't get odds. And PLEASE, no straight-up "reroll" posts.
2.) Normally, the first post to get odds, I'll use for my next post. But if enough people dislike/hate the idea, or it makes me wat (and few things do), I will go with the next post with odds instead.
With that said, let's go!
>You're a human male, about average in size, shape and appearance.
>You are wearing a normal white T-shirt, blue jeans and white sneakers.
>Soon, you end up waking up on ground, or more specifically, on grass, and you get yourself standing up straight.
>You seem to be in a forest of sorts, unsure wat do as you look around.
>Welp, it's gonna be one of those nights, isn't it?
>You swear in anger, seeing the odds were likely against you in this strange forest.
>You then ran off screaming like an idiot in the direction you were facing, running for quite some time.
>But eventually, you slow down, feeling tired.
>As you stopped for the moment to catch your breath, you hear a rustling noise from the distance.
>You aren't sure what's causing it, but you're getting a bad feeling about this.
>You go towards the sound, unsure what to expect as you did so.
>Soon, as you got close to a bush, you peaked from behind.
>You soon saw a VERY big horse looking right at you.
>You weren't sure whether to wet yourself, run in fear, or stay still as it looked at you.
>You aren't sure wat do about this, but you know that thing was huge and likely could mess you up if you did anything stupid to it.
>You soon got a crazy idea in your head.
>You tried to talk to the horse.
>"Uh……hello?"
>It soon was focused right at you, as it trotted up to you.
>By then, with it right in front of you, it was HUGE in size, easily towering over you as you looked at it.
>It then began to nuzzle you, feeling pushed by it, before being pushed onto your ass.
>You weren't sure what was happening, but you didn't like where this was going.
>You try to run away, but soon the huge horse pinned you down.
>And then, you could see it.
>A massive, throbbing equine cock between its hind legs, and huge testes hanging low, as it turned you to your back, and tore off enough of your pants with its teeth to make a hole.
>Before you could brace yourself, you feel the gigantic stallion cock be rammed up your ass, feeling almost painfully stretched by it, as it mounted you like a horse would a mare.
>The next several minutes were spent with it pounding away at you, as you were unable to do anything but take it.
>The final soon came, and it definitely did came, as the bulky equine blasted its seed into you, filling you so much with it, before pulling it out.
>After it finished with you, it looked at you, before you could hear it…..talking?
>"So…..where are you from?"
>"I…..uh……am not sure…..but definitely not here!"
>"Well, don't worry about that. Everyone who ends up here fits in soon, whether they want to or not…..and trust me, you're about to feel some BIG changes….~"
>Even as the huge horse said this, you felt something stirring in your pants, as a big bulge formed there.
>This does not look good for you, but it felt so good, as you saw this.
>As you laid there, slowly rolling to your front, the horse soon went behind you.
>You then unzipped and lowered your pants and briefs, to reveal your own cock was growing bigger in size.
>As you watched this, the beefy equine soon reached around you, letting a tongue lap around your shaft, as they began to pleasure you.
>You laid there, unable to stop such pleasure you felt, as your cock grew and grew in size.
>Soon, the head of your cock flared out, and your shaft changed color, gaining splotches on it as well.
>And then, a sheath formed around it, as inch after inch of cock poured out, for you to see.
>The pleasure was so great, you were tempted so much to stroke it, but with what was happening, you were unsure what would happen if you did so, as you cock still grew.
>You soon shove the growing cock into the horse's big mouth.
>As you did so, it licked the flared head of your shaft, as it kept going.
>Soon, you felt your testes rapidly swell up in size, bigger and fuller, as they ballooned in size to became so massive on you.
>After that happened, the horse let go, looking at you expectingly as it stared at your cock.
>You had a feeling you knew what it wanted you to do then with it, as it kept growing.
>As the equine suckled it, they became more dominate with you, as you felt towered over by it.
>This horse wanted something with you, but you were sure what.
>Still, considering how good your cock felt by now, you had a feeling you knew what it was it wanted you to do.
>You decide to get back at this horse.
>You soon got up, huge, now equine cock and testes on you, before moving as fast as you could to behind the horse.
>You then took your cock, and rammed that thing right into its own asshole.
>It felt amazing to you, as you forced each inch down into its ass and stretching it so much.
>You then went and began to pound its ass as best as you could, moved your massive meat in and out again and again.
>As you did this, you felt your own ass begin to feel a bit bigger, before your pants were left being torn apart fully.
>Soon, your ass began to quickly grow in size, as did your hips, as you went at it.
>Soon, your legs grew a lot longer and thicker, and your feet even fused up and hardened, until you only saw two hooves in their place.
>By the time you felt so close to letting it out, you slipped and pulled out by accident, resting on your massive cock.
>The stallion looked at you, before moving its mouth to your cock.
>As it took it in, it licked the head of it so much, before you finally climaxed, cumming in it as you felt your hind half so huge in size compare to your other half.
>And you soon not only saw your hind half taking a new color with fur on it, but you also saw, and felt, a tail form on your ass, which quickly was growing long and flowing as a tail.
>And as the equine licked your cock clean, it licked its muzzle's lips at you, as you had a feeling where this was going to end.
>You soon kiss the stallion on the muzzle as you laid there on your massive shaft.
>The horse before you seemed to show a smirk as you did so.
>Looks like it's waiting for when you were fully done with this, before truly doing what they wanted with you.
>Moving as best you could, you soon mounted him behind again, before sticking your gigantic equine cock in the stallion as far as you did so.
>It felt even more amazing then, as you went at the horse once more.
>Whilst doing do, all traces of your pants were left in shreds below you now, and soon, you began to feel your torso stretch, and quickly bulk up on you, as it stretched longer and wider and thicker upon you.
>You then felt you hands change, fuse up and harden as well, until you then had front hooves, as your arms quickly grew, thickened and shifted, becoming big strong front legs for you.
>With yourself on four legs now, it was easier to go at the stallion, as your even larger equine cock pounded its ass on and on.
>Your body was almost fully covered in light brown fur, and your hair, and tail, were of a darker brown color.
>Then, after pounding so much into the stallion, you came once again into them, as you then stumbled out of him, falling backwards on your now huge back, as your gigantic shaft stuck out with ease, the stallion looking at it, licking its muzzle's lips.
>"Well, looks like only your neck and head's the only things not like the rest of us…..I think it's about time to fix that….in the best way possible…~"
>With the stallion before you, you went up to it and pushed below, before going right for its massive, monster-sized equine cock, before wrapping your mouth around it.
>You then began to suck the equine off, as you pleasuring it on and on.
>As you did so, you felt your neck soon quickly lengthen and thicken quickly as you did this.
>Your mouth, jaw and nose soon felt stretched and STRETCHED, longer and wider, especially a lot longer in length, as you formed a thick, very long equine muzzle, as you took in more and more of their shaft.
>Then, your ears grew and pointed out on their tips, before becoming two big horse ears.
>Your hair grew out, and soon was a long, flowing mane on your head, neck and back as well.
>Finally, as you brought the stallion to their climax, you swallowed all of their seed, as your head stretched and grew in size, until now fully shaped like a horse's head.
>Once done, as you cleaned them off, you stepped away, before seeing you had become a huge, beefy horse yourself.
>Shocked by this, you trotted off away from the horse.
>At first, you think you're safe, but soon, you were pounced on by a pink equine mare, with such a big, poofy mane and tail.
>Before you could do anything, they pushed their mare pussy into your cock, before forcing you to rut them, thrusting in and out of them as she kept you from leaving just yet.
>You were left to feel used by her on and on as you kept it going, until you couldn't hold on any more, and you spilled your seed into her.
>As you did so, you cock and testes felt a lot bigger than they even were before-hand, as she licked your cock clean, and soon was bouncing away from you.
>What a strange mare indeed.
>Still, you now were alone, unsure wat do still, and you now were a horse.
>Explaining this to people wasn't gonna be very fun when you'd get back, if you even could.
>You trot on and on forwards, until finally, you soon found yourself before a town.
>Looking inside of it, where were a LOT of big horses.
>Some were mares, and below them they had ample, bloated crotch tits.
>Others were stallions, with gigantic sheaths and massive testes, either close to the ground, or brushing against it.
>They all were going about what you assume to be their daily lives.
>And here you are, now an equine yourself, and unsure what to expect at all if you'd go in there, if you even would at all.
>You trot around the town as you look around, seeing the equines stare at you, especially at your tool and testes.
>Soon, you saw two building with fancy tops upon them, both across from each other.
>One was a blue-colored one called "The Stallion's Rut", whilst the other, pink-colored one was labeled "The Happy Ending".
>Both looked like spas on the outside, but you had a feeling there was more here than just what you saw.
>You soon see a sign in front of each building.
>"New ponies get a free session on their first time!"
>Well, that at least interested you pretty nicely.
>You decide to go into the Stallion Rut.
>Trotting inside, you soon see stallions with GIGANTIC shafts and testes all over the place, as you walked up to the stallion in front of the front desk.
>"Oh, you must be new here. Welcome to the Stallion Rut! Here, we pamper you to make you feel fresh and new, and we help you look like the stallion of every mare's wet dreams. First time's free for every new pony here, so are you willing to enjoy this with so many other buff, endowed stallions?~"
>You agree to it, before asking where you lay at.
>"Don't worry, we'll lead you to where you need to go for this full experience first.~"
>He then nodded, before you began to follow him, soon into a rather big room, with a single, fuzzy table before you, with a large gap easily seen there.
>"Just lay there, with the obvious placed where the gap is, and we'll start the first part of your session, alright?~"
>He was soon getting special ointments and creams out, as he waited for you to be ready.
>You go over to the table, where he is, before getting on and laying on it, with your equine shaft and testes hanging out of the gap below, as he was ready to start.
>He began by rubbing a special ointment all over your fur, as he scrubbed it and brushed it, getting it smoothed out and shiny.
>He then went and took shampoo to your mane and tail, scrubbing it clean and making it nice and covered in such.
>Finally, as he moved below, you felt him rubbing a hoof on your own cock and testes, covering it in a special ointment.
>As he did so, you felt your cock twitch and throb, before it and your testes slowly grew bigger in size as he rubbed the ointment on them, bigger and bigger.
>Eventually, they were left doubled in size, as he helped you up off the table.
>"With that done, let's take you somewhere to wash up and get nice, warm and feeling good, alright?~"
>You soon follow him, with the intent on boning his plump ass the second you could do so.
>Soon, you found yourself in a huge room, like a pool, but filled with warm water, and quite a few VERY endowed stallions, a few even kissing each other, as he led you there.
>"Just climb into the water, it's nice and warm and feels so good. Trust me, you'll soon feel so happy and blissful once in there.~"
>Looking at this, it truly did look like a bathhouse, but with stallions, and such warm water.
>Still, an offer is an offer.
>You nod, and soon you jump into the water.
>Once in, it felt so good as you swam in it to a nice comfy spot.
>In fact, it felt so good, you felt pleasure running through your body, as your cock became fully erect once again, sticking barely out of the water.
>This attracted the attention of a stallion, who swam over to you, and soon began to lick the flared head of your cock, giving you even more pleasure.
>You weren't sure whether to get him away from you, or just accept and enjoy this, but all this felt so amazing to you by then, as your cock was slowly growing before your equine eyes.
>You soon use your hooves to reach nearby to the cocks of two other stallions, before beginning to do your best to jerk them off, stroking them.
>Meanwhile, you let your long neck and long face be able to easily reach for the shaft of the stallion who was licking your own cock, before taking it in your long muzzle, soon sucking him off.
>He soon did the same, as you were pleasuring three stallions at once, whilst one of them pleasured you.
>As you did this, you watched as your cock, and your testes, both slowly swell bigger and bigger as he sucked you off whilst the stallion before you, and the two next to do, had the same thing happen to them.
>And the bigger your cock and testes became, the hornier you became, and the more you sucked off the stallion before you, as you felt so in bliss from your growing package.
>Soon, as you let go of his cock, all four of you went up next to each other.
>Soon, you all had your cocks and testes against each others, soon constantly rubbing them each one another as you all watched them grow and grow.
>You softly moaned as you all compared sizes, your being the smallest, due to being the new one, whilst the one was there the longest dwarfed yours in comparison.
>Soon though, they were left just growing and growing, as you enjoyed the feeling greatly of your cock and testes rubbing against theirs, causing it to grow larger in size as you helped theirs do the size.
>Good god, this felt AMAZING.
>As it went on, you were left considered so tiny in "size" compared to the rest of them.
>Still, they were indeed helping your cock and testes grow and GROW.
>After a couple of hours had passed, the one stallion from the front desk arrived, smiling at you, seeing how endowed you had become.
>"Alright then! Ready for the final, expansive part of your first session?~"
>You nod as you got out of the pool, horny as hell now.
>Your cock by then easily stuck out between your front legs and then some, whilst your testes brushed against the floor as you trotted to go where he wanted you to.
>He soon led you into a new room, with so many strange items, mainly stuff that could plug in only god knows where.
>"This is our 'buffer room'. It lets us get you nice and pumped up quickly, while stuffing YOU up as well to enjoy the ride. Ready to get yourself pumped up then?~"
>You nod, ready to do this.
>He then smirked, before leading you to the center of the room, before getting you nice and comfy and laying down on your own swollen shaft.
>He then took one of the devices on the shelf, and pushed it deep into your asshole, before turning it on.
>It vibrated, before working on your body, as you began to feel so good, and so much stronger.
>Soon, you saw and felt your body bulking up and slowly growing bigger and beefier in size.
>Your cock and testes also were quickly growing from underneath you, as you were growing.
>And as this happened, the pleasure felt so great, you were seriously tempted to do the one thing you wanted to do with this new cock for so long.
>You soon pounced as best you could on the stallion, trying to stick your cock into his asshole.
>But soon you saw your shaft had swollen up too big to even begin to fill up such a hole.
>And soon, you were starting to take up a decent bit of room in this room, as it kept making you grow bulkier, buffer and more endowed, especially as you were soon forced to lay on your cock and especially your testes, with how huge and swollen they were by then.
>You finally could reach the tip of your cock, after so long.
>You soon reached down, and took in as much of your own equine shaft as you could in your long muzzle, before starting to suck yourself off.
>It felt amazing to you, as you sucked and sucked, which helped your cock and testes grow even faster as you bulked up bigger and buffer, soon looking so muscular with your equine form as you kept going.
>You didn't know where this was going, but you didn't care at all, since it felt too good to stop for you at all at that moment.
>As you go at your cock, you soon pull out a sponge.
>It was a huge, soft sponge that you had before you.
>Yup, it was neat, but for the moment you set it next to you as you kept sucking yourself off and your body and endowments grew and grew, soon pressing against the wall leading to the bathhouse itself.
>You try to leave before you've gotten too big.
>But soon, you realize you're too big and buff to fit through the doorway.
>And you're still sucking yourself off, too in bliss from this to stop now, but the tip was soon getting too far away from your mouth as the wall near the bathhouse was cracking, soon likely to give in to your size.
>You kept trying to get out of there, but your size for then wouldn't let you.
>Eventually though, the wall gave in, and the bathhouse itself was fully exposed, for all those stallions to see those toys.
>They all ran out of the water to the room around you, as they grabbed those same devices used on you, knowing what to expect.
>And if it was gonna end like that, oh the things you could do right there with them….
>Soon, you felt them all shoving a huge dildo into your ass as they found and grabbed it.
>As they did so, you're left shrinking by it.
>you shrank in size by a decent bit, but soon, you grabbed another such device, before placing it in your mouth and turning it on.
>It left you just growing as fast as you were before, as you watched the other stallions soon grow bigger, buffer and more endowed as they grew and filled up the room.
>Their own cocks rubbed up against your own as they grew, leaving you smiling in bliss as it happened, while you all grew and grew.
>You soon Leave the other stallions where they were, the dildo falling out of you as you left.
>You were still growing more and more as you walked outside, but soon the device in your mouth fell out.
>And you soon were left resting on your massive cock, as you wanted to enjoy it like you did that one time with those stallions.
>As you wander, you eventually see a house made of clouds.
>You were soon looking below at it, as huge in size and endowment as you were by then.
>You weren't even sure why you went this way, but here you were.
>And you know whoever lived there wouldn't be happy if you messed with their home.
>You soon went and poked the cloud house.
>With your massive cock.
>As you did this, the house pretty much didn't stand a chance.
>Still, what you didn't expect was a blue pegasus mare, with a rainbow-colored mane and tail, to be right on your cock.
>She quickly flew up to your face, looking stern at you.
>"Hey, what's the BIG idea doing that for?!"
>"Do you even lift?"
>She raised an eyebrow as you said this.
>"Of COURSE I can, easily!"
>You could tell what kind of mare SHE was, at least.
>"Still…..WHY'D you do this anyways?"
>You tell her you were just testing the cloud.
>"Yeah, sure…..and Diamond Dogs are geniuses. I don't mind that, I can make a new house, but….."
>She then looked you over once.
>"…..Why in the name of Equestria are you…..this HUGE?"
>You then explained what happened.
>After you did so, she smirked, before looking at your cock.
>"So, another stallion fell for the old Stallion's Rut scheme again, huh? Those colts always wanna make somepony so huge and swollen as Celestia knows what……but I kinda like it…..after all, The Happy Ending does that in a way to mares as well…..and oh, how good it feels…..usually it's temporary though, although you seem to be still growing….~"
>"Well, how about we see who's "bigger" then?~"
>You shrug, and agree to check cock sizes.
>"Okay then…..still, thanks to a…..special potion I kinda might've taken somewhere, I also have one of these….~"
>She then showed she had a cock of her own, sticking out between her big, plump crotch tits.
>"So then, if you can set me up with one of those device things, let's do it!~"
>"So…..how is this gonna work?"
>"Easy…..once I get growing, we'll be rubbing against each other, for maximum cock growth…..and with that, we keep going until we can't keep it in any longer and cum. Then, the one who's the biggest after it ends…..wins.~"
>"Alright…..but winner gets to be bottom."
>She nodded, and you soon open your mouth and take out the one device, before handing it to her.
>She soon quickly jammed and already-on device into her own asshole, before she began to grow quickly in size.
>Soon, she jumped at you, before she was rubbing her growing cock and swelling crotch boobs against your own cock, which still was growing in size as you laid there, rubbing against her.
>It was on now.
>You start rubbing against her growing cock harder, as she quickly started to catch up to you in size, and "size".
>As you both frotted each other, your both left resting against your massive cocks as they grew and grew, filling up more and more of the town itself, especially with your testes, and her swelling crotch tits.
>You didn't know who was gonna cum first, but one of you was going to eventually.
>You hold off as long as you could, as both your cocks grew and grew, bigger and bigger, soon to immense sizes, as you felt closer and closer.
>Before you reached your climaxed, you heard a VERY loud and passionate moan from her, before she orgasmed hard, cumming everywhere and covering the town with her seed.
>This sight made you orgasm as well, shooting ropes upon ropes of hot white sticky stallion seed everywhere, feeling so good.
>You won the "contenst", but now you both couldn't stop rubbing each other's cocks against each other, the sticky seed acting like a lubricant to help enhance the pleasure as you both kept going, unable to stop such intense bliss.
>Well, a deal's a deal.
>She soon pushes against you, and you're left with her on top of you, still rubbing her cock against yours.
>It feels amazing to you as she does so, making both your shafts grow and grow.
>But you're now left with her cock pressing against your body.
>Still, the feel of her now huge, swollen crotch tits on your testes was an amazing feeling, as you felt them swell in size as well.
>Truly, you were one lucky stallion.
>As you laid there, you feel something press against your asshole.
>It felt so good against it, but so…..HUGE in size….
>Soon, it made you perfectly clear what it was, as it began to push into your hole.
>It was her cock, and you soon felt the flared tip of her cock inside of you.
>You felt your ass begin to be greatly stretched as she began to push it into you, slowly, inch by inch.
>With every inch she pushed into your gaping hole, you felt yourself being stretched more and more, being filled with such a massive meaty member.
>Once she got the flared head of her cock in, with her own seed helping to lubricate you more and more, she began to get more of her cock into you.
>After a while, she reached the ring on the center of her equine shaft, soon stretching you even more-so as she pushed and pushed to get it in you.
>After several attempts, you gasp in shock as she stretches you seriously wide and gaping open as she continued to fill you with her equine meat.
>eventually, after what felt like forever to you, she hilted you, her entire, massive cock within you, as you laid there.
>By then, you were basically a cock sock for her to empty and enjoy herself with, as you laid there in her, only moans escaping from your mouth as you felt unable to do much else then.
>She soon began to thrust in and out of you, as best as she could being as massively endowed as she was.
>After a while, she was about ready to let loose, and soon enough, you watch and feel as she spills her seed in you, a torrent of stallion cum in side of you filling you up as you take it all, not one drop coming out.
>When it was over, she passed out, and fell asleep, still in you.
>And still hard as a rock, keeping you stretched and on her massive member.
>You soon join her, going to sleep as you slept with her cock in you.
>You also felt so good with her massive crotch tits on your testes, as you laid there.
>A smile was formed on your muzzle as you slept, feeling so good, and so BIG as well.
>When you wake up, you find yourself in the center of town.
>You soon notice your body was the size of….well…..a pony now.
>Below you though was a stallion shaft on you that was massive in size, and definitely would likely, when fully erect, leave any other stallion to shame.
>You then stood there, unsure what to do, or what happened, as you saw pones around you now, instead of horses.
>As you stood there, you felt intense pleasure and stretching in your body as it kept going and going.
>It kept made you open your eyes, as you soon were back as a gigantic, hugely endowed stallion.
>You soon quickly realized that mare was pounding your ass again, or at least as well as she could.
>She just kept going and going in and out of you, until again, she climaxed.
>Spilling her seed within you, she passed out again, looking already spent.
>She likely was about a one and done type of equine, from how quickly she was out of it, as you still had her massive equine shaft in her.
>she throws herself off of you and positions herself behind you again
>you feel her stick her snout in your still gaping asshole
>she licks up the semen constantly dripping from your oversized anus as it trickles down your inside legs
>she takes a big lick from your massive testies to your quivering asshole
>she doesn't miss a beat as she shoves her tongue into your depths
>she laps at her salty deposit like a dog in water
>she moves herself to get more of her seed, nibbling your sensitive ring all the while
>after a few minutes of this you're brought to the edge of orgasm, only to be left empty as rainbow finishes reclaiming her seed from your now-gaping anus.
>Rainbow turns you around, your cock still dripping pre
>she kisses you deeply, tongue and all
>her cum still in sizable quantities in her mouth and nothing stops it from depositing itself in your mouth as well
>you can't help but gulp down the liquid
>it tastes salty, but tangy
>your dick gives another twitch, dropping more pre on the ground
>she breaks the kiss, asking
>"so, you want a lift, maybe to a hotel?"
>you answer "uh, sure."
>rainbow grabs you by the inside of the withers (the armpit) and hoists you under her
>she starts flapping her wings quite strongly to accommodate for the passenger
>her massive crotch-tits constantly bump into your distended gonads,
>this situation is not helping your situation,
>the breeze feels odd against your turgid rod
>you can feel her grinding into your ass at every occasion
>you thought that this was a one trick pony!
>after what seemed like a lifetime of teasing, you finally arrive at the inn.
>after trying to explain to Rainbow that you don't have any money on you she pushes you on to a park bench
>"trust me, I can take care of this."
>she took you by the hoof and lead you into the main office
>"what may I help you wi-" the pony at the head of the office said, before growing silent from looking at your award-winning dick
>rainbow dash approached the counter
>"room for two please?" she asked
>the room attendant quietly handed Rainbow two room keys,
>rainbow triumphantly handed one of the keys to you
>you tried arguing, saying that she didn't need to be with you, but all attempts to argue where shushed by her
>you give in, inwardly sighing as rainbow grabs your hoof once again and leads you to your room.
>you don't exactly have any clothing to take off,
>fuck, that seemed like a lifetime ago
>you crawl into bed, rainbow following close behind
>she crawls under the sheets as well.
>she cuddles with you, hoofs reaching behind and cradling your ass as you do the same,
>she buries her head into the crook of your shoulder
>after a few minutes she lets out a content sigh and her breathing deepens, indicating that she's sleeping.
>you can't help but drift into sleep as well, nuzzling Rainbow's chest
>you dream of distended horse dicks, slopping wet vaginas and milk dripping from overfilled crotch-tits
>you can't seem to think right
>all this imagery just leaves you without need of thought
>you seem to float in endless euphoria
>you feel a peck on your cheeks
>you open your eyes to a headache and a blue pegasus horse kissing you,
>you're confused for a moment until you realize that she's still sleeping
>goddman she's cute
>you think of giving her a proper wake up
>you're still hard from the dream, and yesterday has left you very much blue-balled
>you flip Rainbow around,
>she flops like a sack of potatoes
>"goddamn she's a heavy sleeper." you remark to yourself.
>you take ahold of your morning wood the best you can with your hoof and run it down her back, smearing pre all along the way
>you reach around with your other hoof and fondle her sheath
>she moans cutely and she quickly comes to full mast
>you drag your dick down to the entrance of her pussy, rather difficult to find between her large crotch-tits
>you take a pause, reminiscing this scene.
>you plunge in, somehow hilting on her with your ridiculously large dick
>she wakes up with a gasp
>she turns her head to face you
>you give a smile and say "good morning sunshine!"
>Rainbow smiles and lets out another chaste moan
>god for a tomboy she sure is cute
>you pull out, almost exiting, before slamming back to the hilt.
>the impact of the force causes her crotch-tits and your balls to bounce against each-other.
>the sound of flesh meeting flesh and the rocking of the bed fills the room
>you continue to stroke Rainbow's erection in time with your thrusts
>you speed up as you feel her vagina clench down on you.
>it's so tight, horses must have excellent control.
>how the hell are you this lucky?
>it feels like the nothing you've ever felt before,
>it's like a silk glove, warmer than anything you've ever felt is caressing every ridge of your dick. Creating a light suction as you pull out and back in.
>your balls start to tighten and you know you're nearing
>and by the looks of it Rainbow is nearing too
>you hasten, the sound of flesh slapping intensifies and the very air smells of sex
>the pheromones lift you over the edge, you feel your balls tighten and you release inside her, trusting as deep as you could go.
>it quickly fills her and drips out all over the bed.
>it sets her over the edge and you feel her clamp down, effectively keeping you in place.
>she drenches your cock and everything else in a very liberal amount of her own vaginal fluid, adding to the puddle
>her own meaty rod let loose at the same time, shooting out ropes of her girl-spunk, coating the wall with a new layer of white-wash.
>you hear her panting, muttering "o-oh oh fuck", obviously on cloud nine.
>she looks at you with the widest eyes you've ever seen, and engages you in another kiss, panting in your mouth and wrestling your tongue with hers.
>you keep fighting for domination of the kiss,
>Rainbow grabs your hands without any warning and pins them to the side of the bed
>she gets up and straddles your leg and runs her entire body along yours, her dick frotting with yours; never breaking the kiss all the while.
>you are straddled, in a puddle of your and her jism.
>she gets the upper hand in the kiss and you can only let her give way as her long, muscular tongue probe your mouth, going deep into your throat.
>she breaks the kiss with a dominant smirk, but before she manages to speak a word, the door opens to show the same office pony as last night.
>she stands, mortified at the scene.
>it takes a second, but you see too
>there's a think amount of semen on the wall, a visible pool on the bed, dipping on the floor and in the center of it all is a very well endowed stallion and on top of him an almost equally endowed futa-mare on top of him
>the stench of semen is overpowering
>Rainbow and you both jump off the bed, huge blushes on their face and you both walk out of the room, placing the keys on the cum-stained dresser.
>the door slams shut behind you two,
>Rainbow looks up, asking "so, what now hotshot?"
>you ask her "mind showing me around town?"
>she shrugs and says "sure"
>you begin walking, accompanied by the blue-rainbow winged horse.
>she shows you around
>she points to the Happy Ending and Stallion Rut
>you're half tempted to run back into the Stallion Rut, but you think better of it, seeing the massive hole that was once you.
>she shows you around, the bakery, the library, the farm outside on the outskirts of town, the clothing boutique, etc. you barely notice however, as you're too busy looking at all the massive teats and balls dragging on the ground, garnering a few stares at your public erectness.
>it only seemed to make you more horny if anything, you make a note to yourself that having sex in public might not be so bad
>so after she finishes, you have a question on your mind
>"so Rainbow, why is it I'm not "growing" any more?
>she answered "well, this seems to be your natural limit, you won't grow any more, or less for that matter, you can grow longer, but not permanently." she says, almost casually.
>"so why am I not growing with you?"
>"well, a very powerful unicorn made it so we don't grow anyone else, or ourselves."
>makes about as much sense as anything else.
>"so", she asks, "where do you want to go now?"
>you decide to go to the fashion boutique, you could use some new clothing.
>you tell her, and she gives a snort before condescendingly remarking "cloths? I know your type. you're going to be ripping out of those cloths faster then you'll get into them"
>she jumps next to you and whispers into your ear "just the way I like them"
>almost constantly erect, you can only continue walking,
>eventually you find yourself at the boutique
>odd, it looks almost like a horse carousel.
>except all the horses are overly endowed, but seeing as how the real populace is…it makes sense.
>you push open the door, walking inside.
>a small bell rings and you hear a voice call out from inside
>"Just a minute."
>you sit down, your erection making itself very obviously known, you hardly care anymore as it doesn't seem to cause any reactions besides a few stares.
>after a few seconds, a white unicorn horse trotted out from an interior doorway.
>"hello, and who mi-" she cuts herself off as she stares at your throbbing member, making it twitch and you blush at the taboo eroticism.
>you see a drop of moisture drip from her nethers behind her rather diminutive crotch-tits
>you than notice what she's wearing,
>it's a white, loose fitting vest, blending with her coat. It manages to fit her curves just right and fondle her teats in a dangerous game of egg-in-spoon.
>you subconsciously moan and your dick twitches again, letting a small squirt of pre loose, tracing its way down your massive shaft.
>she gathers herself after the moment of pause
>"so Rainbow, who's your friend?" she asks, turning away from you.
>"he's uh… new in town." she replies.
>the unicorn turns back to you, "well, my name is Rarity, and you are?" she asks
>you explain your situation, minus the part about your escapades with that truly excellent stallion and your run in with gigantism
>Rarity looks at you with an understanding look
>"Well, any friend of Dash is a friend of mine, come along with me. Ponies don't usually wear cloths, on account of the…tendencies they possess, but if you really want." she says.
>she motions you to follow her with your hoof and turns around, her extremely curly tail giving you a look at her backside.
>'oh my god' you think to yourself, 'her dress has no backside'.
>you thank god once again for sending you to wherever this place was
>you follow Rarity to what appears to be a clothing rack, filled with shirts, and very…interesting looking pants.
>you pick out a neat looking coffee brown shirt, matching smartly with your coat,
>you place it in an empty, smaller rack that you assumed was for you
>you look at all the pants but… they're more assless and crotchless chaps rather then actual pants.
>after calling rarity back and explaining the situation, she rolls her eyes and leads you to a fitting room.
>she takes a roll of measuring tape and starts measuring you with it.
>she manages to fondle your package with every opportunity possible, going so far as to measure the size and width of your endowment
>finishing up, rarity tells you to remain in the room while she tailors your selection.
>she comes back in with a slightly adjusted version of the shirt you pick out, which you happily don,
>she exits, and reenters with matching pants.
>what? you specifically did not pick this out.
>you open your mouth to refuse, but rarity seems to of read your mind
>"darling, I know you didn't want one, but trust me, it's for the best."
>your roll your eyes, and put them on as best you can with hooves.
>you get them on, they're surprisingly comfy,
>it feels like it was made right to cradle your testes
>goddamn it's like they don't want you to ever not be erect
>maybe for good reason
>you notice that the pants also hike your tail up,
>you blush as this means that your anus is constantly visible and the back of your testes are constantly in plain view for all those that see
>rarity also hands you 5 silk stockings, one twice as big as the rest,
>"really rarity?"
>"oh just put them on, you'll look precious.
>you don't know why you agree to this, but you put the four obviously meant to be worn on your hoofs, but the 5th one leaves you stumped
>you look at rarity questioningly
>"oh, that my dear is something I've been working on with my on special brand of magic, it's a cock sock. As long as you are wearing it, you will never cum. But you will always be on the edge.
>you ask her when this will ever be useful in public
>she looks at you before saying "with you? I think that once you put it on, you'll never want it off.
>can't argue with that logic
>once you manage to put it on, it slides all the way to the hilt, and looks like it attaches perfectly with your chaps.
>you feel the traces of magic
>you cock your head back as the feeling of magic coaxing your seed from your balls,
>they tighten up and your cock is constantly twitching, but release never comes
>it only builds up, almost like a bad itch
>you look at your cock, it's constantly twitching and oozing pre, soaking the sock; but definantly not blowing your load.
>Rarity looks at you approvingly, before adding in "This is my trial version, since you're the first one I've used, you can have it for free. It shouldn't tear if you do happen to 'grow', which is more than what I can say for the rest of your appeal. I'm sure you won't mind."
>you barely register her words as you walk outside the room.
>outside seems to be a very aroused Rainbow Dash,
>Her Dick is stirring and she is already moist from the scene in front of you.
>Rarity suddenly leans her body weight on top of you and gives you a reach-around. Sending another spasm of twitches to your happily tortured socked-cock
>Rarity hops off from your back and stands between you and Rainbow Dash,
>you can plainly see her dripping snatch, she's very, very aroused.
>she looks at rainbow, and glances back at you.
>she than trots up to where rainbow was sitting and sits down on Rainbow's lap, eyeing her meat in full glory.
>she starts sliding her body against the rod, staining her entire chest with the semen
>she turns around, sliding her ass between the pole and soaking her back in the same sticky white liquid.
>she beckons you, standing there like a dope while these two go at it.
>your dick, thinking for you, twitches again and you spring to her side
>You look questioningly at her,
>as if on cue, Rarity impales herself on Dash's motted dick. taking most of it in her ass in one go.
>you're still left left out on the loop…
>Rarity, noticing this, turns around to face Rainbow Dash
>"her Rainbow, our friend over here seems to be feeling a little left out on the fun."
>"why didn't he just say so?"
>Rainbow's wings wrap around the two,
>you're forced to back up as they appear to start wrestling inside the winged cocoon
>they roll on the floor infront of you, rarity still anally impaled on Rainbow-Dash,
>you take this as your chance and get in on the action.
>you roll up to Rarity's exposed front, and position your sock-sheathed cock in front of her entrance.
>You wait until rainbow dash thrusts in, and enter at the same time.
>oh my god
>it's even tighter, you can feel Rainbow dash thrusting in time with you
>and the fabric imprints an intricate design
>you have a feeling that even with it off, it'll still have the crisscross marking
>you don't have time to think about how much that turns you on either
>you're too busy thrusting.
>you've been close for the last 5 hours
>but this is dancing on the line between pleasure and torture.
>Rainbow wrapped her wings around all herself, Rarity and you,
>it became almost boiling hot, but the amplified smell of sex, sweat and cum was too intoxicating
>Rarity is soon reduced to screaming, her and Rainbow's feminine juices creating yet another puddle
>you briefly ask yourself why this seems to be so damn messy
>nah
>too busy fucking
>you can't take it anymore, you can feel yourself flaring but nothing is coming out.
>frustrated, you pull out briefly
>you grab your flaring cockhead with your teeth, careful to only grab only the sock
>with the sock off, you thrust yourself back in
>you can't have time for formalities, you want to BREED
>you go deeper until you hit her cervix, locking in with your flare
>you let loose, filling her up with your seed, determined at that moment to get her pregnant.
>rarity screams like a common french whore,
>she begins spasming on your dick
>she clenches down, hard.
>Rainbow, who up until this point was rather silent, sans moaning and groaning, screamed as well as her futa-dick was milked for all its worth by the contracting anal walls.
>Rarity threw herself off of yours and Rainbow's dicks, painting and mumbling incoherently to herself.
>You look sheepishly at Dash,
>"what did you do to her?" Rainbow asked
>"I don't know, I might of just impregnated her" you said in wonder
>she looks at you bewildered for a moment, before shrugging and going back to her own personal cloud nine
>I fucking love this place
~~~~~~~~~~END PART 1~~~~~~~~~~

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Two points before I continue:  Pardon for the not exactly original thread title, and sorry if the OP pic isn't exactly perfect, but I went with what I felt would work.


Anywho, welcome to another CYOA thread.  In this one, we'll be going as a human who ended up in our lovable equine world, and soon he's going to be in for a big, saucy and changing surprise.  So yes, expect plenty of TF here.

Now then, for the two rules I always use:

1.) No rerolls pls.  If you like an idea, reply with your own if it didn't get odds.  And PLEASE, no straight-up "reroll" posts.
2.) Normally, the first post to get odds, I'll use for my next post.  But if enough people dislike/hate the idea, or it makes me wat (and few things do), I will go with the next post with odds instead.

With that said, let's go!

>You're a human male, about average in size, shape and appearance.
>You are wearing a normal white T-shirt, blue jeans and white sneakers.
>Soon, you end up waking up on ground, or more specifically, on grass, and you get yourself standing up straight.
>You seem to be in a forest of sorts, unsure wat do as you look around.
>Welp, it's gonna be one of those nights, isn't it?

>You swear in anger, seeing the odds were likely against you in this strange forest.
>You then ran off screaming like an idiot in the direction you were facing, running for quite some time.
>But eventually, you slow down, feeling tired.
>As you stopped for the moment to catch your breath, you hear a rustling noise from the distance.
>You aren't sure what's causing it, but you're getting a bad feeling about this.

>You go towards the sound, unsure what to expect as you did so.
>Soon, as you got close to a bush, you peaked from behind.
>You soon saw a VERY big horse looking right at you.
>You weren't sure whether to wet yourself, run in fear, or stay still as it looked at you.
>You aren't sure wat do about this, but you know that thing was huge and likely could mess you up if you did anything stupid to it.

>You soon got a crazy idea in your head.
>You tried to talk to the horse.
>"Uh……hello?"
>It soon was focused right at you, as it trotted up to you.
>By then, with it right in front of you, it was HUGE in size, easily towering over you as you looked at it.
>It then began to nuzzle you, feeling pushed by it, before being pushed onto your ass.
>You weren't sure what was happening, but you didn't like where this was going.

>You try to run away, but soon the huge horse pinned you down.
>And then, you could see it.
>A massive, throbbing equine cock between its hind legs, and huge testes hanging low, as it turned you to your back, and tore off enough of your pants with its teeth to make a hole.
>Before you could brace yourself, you feel the gigantic stallion cock be rammed up your ass, feeling almost painfully stretched by it, as it mounted you like a horse would a mare.
>The next several minutes were spent with it pounding away at you, as you were unable to do anything but take it.
>The final soon came, and it definitely did came, as the bulky equine blasted its seed into you, filling you so much with it, before pulling it out.
>After it finished with you, it looked at you, before you could hear it…..talking?
>"So…..where are you from?"
>"I…..uh……am not sure…..but definitely not here!"
>"Well, don't worry about that.  Everyone who ends up here fits in soon, whether they want to or not…..and trust me, you're about to feel some BIG changes….~"
>Even as the huge horse said this, you felt something stirring in your pants, as a big bulge formed there.
>This does not look good for you, but it felt so good, as you saw this.

>As you laid there, slowly rolling to your front, the horse soon went behind you.
>You then unzipped and lowered your pants and briefs, to reveal your own cock was growing bigger in size.
>As you watched this, the beefy equine soon reached around you, letting a tongue lap around your shaft, as they began to pleasure you.
>You laid there, unable to stop such pleasure you felt, as your cock grew and grew in size.
>Soon, the head of your cock flared out, and your shaft changed color, gaining splotches on it as well.
>And then, a sheath formed around it, as inch after inch of cock poured out, for you to see.
>The pleasure was so great, you were tempted so much to stroke it, but with what was happening, you were unsure what would happen if you did so, as you cock still grew.

>You soon shove the growing cock into the horse's big mouth.
>As you did so, it licked the flared head of your shaft, as it kept going.
>Soon, you felt your testes rapidly swell up in size, bigger and fuller, as they ballooned in size to became so massive on you.
>After that happened, the horse let go, looking at you expectingly as it stared at your cock.
>You had a feeling you knew what it wanted you to do then with it, as it kept growing.

>As the equine suckled it, they became more dominate with you, as you felt towered over by it.
>This horse wanted something with you, but you were sure what.
>Still, considering how good your cock felt by now, you had a feeling you knew what it was it wanted you to do.

>You decide to get back at this horse.
>You soon got up, huge, now equine cock and testes on you, before moving as fast as you could to behind the horse.
>You then took your cock, and rammed that thing right into its own asshole.
>It felt amazing to you, as you forced each inch down into its ass and stretching it so much.
>You then went and began to pound its ass as best as you could, moved your massive meat in and out again and again.
>As you did this, you felt your own ass begin to feel a bit bigger, before your pants were left being torn apart fully.
>Soon, your ass began to quickly grow in size, as did your hips, as you went at it.
>Soon, your legs grew a lot longer and thicker, and your feet even fused up and hardened, until you only saw two hooves in their place.
>By the time you felt so close to letting it out, you slipped and pulled out by accident, resting on your massive cock.
>The stallion looked at you, before moving its mouth to your cock.
>As it took it in, it licked the head of it so much, before you finally climaxed, cumming in it as you felt your hind half so huge in size compare to your other half.
>And you soon not only saw your hind half taking a new color with fur on it, but you also saw, and felt, a tail form on your ass, which quickly was growing long and flowing as a tail.
>And as the equine licked your cock clean, it licked its muzzle's lips at you, as you had a feeling where this was going to end.

>You soon kiss the stallion on the muzzle as you laid there on your massive shaft.
>The horse before you seemed to show a smirk as you did so.
>Looks like it's waiting for when you were fully done with this, before truly doing what they wanted with you.

>Moving as best you could, you soon mounted him behind again, before sticking your gigantic equine cock in the stallion as far as you did so.
>It felt even more amazing then, as you went at the horse once more.
>Whilst doing do, all traces of your pants were left in shreds below you now, and soon, you began to feel your torso stretch, and quickly bulk up on you, as it stretched longer and wider and thicker upon you.
>You then felt you hands change, fuse up and harden as well, until you then had front hooves, as your arms quickly grew, thickened and shifted, becoming big strong front legs for you.
>With yourself on four legs now, it was easier to go at the stallion, as your even larger equine cock pounded its ass on and on.
>Your body was almost fully covered in light brown fur, and your hair, and tail, were of a darker brown color.
>Then, after pounding so much into the stallion, you came once again into them, as you then stumbled out of him, falling backwards on your now huge back, as your gigantic shaft stuck out with ease, the stallion looking at it, licking its muzzle's lips.
>"Well, looks like only your neck and head's the only things not like the rest of us…..I think it's about time to fix that….in the best way possible…~"

>With the stallion before you, you went up to it and pushed below, before going right for its massive, monster-sized equine cock, before wrapping your mouth around it.
>You then began to suck the equine off, as you pleasuring it on and on.
>As you did so, you felt your neck soon quickly lengthen and thicken quickly as you did this.
>Your mouth, jaw and nose soon felt stretched and STRETCHED, longer and wider, especially a lot longer in length, as you formed a thick, very long equine muzzle, as you took in more and more of their shaft.
>Then, your ears grew and pointed out on their tips, before becoming two big horse ears.
>Your hair grew out, and soon was a long, flowing mane on your head, neck and back as well.
>Finally, as you brought the stallion to their climax, you swallowed all of their seed, as your head stretched and grew in size, until now fully shaped like a horse's head.
>Once done, as you cleaned them off, you stepped away, before seeing you had become a huge, beefy horse yourself.
>Shocked by this, you trotted off away from the horse.
>At first, you think you're safe, but soon, you were pounced on by a pink equine mare, with such a big, poofy mane and tail.
>Before you could do anything, they pushed their mare pussy into your cock, before forcing you to rut them, thrusting in and out of them as she kept you from leaving just yet.
>You were left to feel used by her on and on as you kept it going, until you couldn't hold on any more, and you spilled your seed into her.
>As you did so, you cock and testes felt a lot bigger than they even were before-hand, as she licked your cock clean, and soon was bouncing away from you.
>What a strange mare indeed.
>Still, you now were alone, unsure wat do still, and you now were a horse.
>Explaining this to people wasn't gonna be very fun when you'd get back, if you even could.

>You trot on and on forwards, until finally, you soon found yourself before a town.
>Looking inside of it, where were a LOT of big horses.
>Some were mares, and below them they had ample, bloated crotch tits.
>Others were stallions, with gigantic sheaths and massive testes, either close to the ground, or brushing against it.
>They all were going about what you assume to be their daily lives.
>And here you are, now an equine yourself, and unsure what to expect at all if you'd go in there, if you even would at all.

>You trot around the town as you look around, seeing the equines stare at you, especially at your tool and testes.
>Soon, you saw two building with fancy tops upon them, both across from each other.
>One was a blue-colored one called "The Stallion's Rut", whilst the other, pink-colored one was labeled "The Happy Ending".
>Both looked like spas on the outside, but you had a feeling there was more here than just what you saw.

>You soon see a sign in front of each building.
>"New ponies get a free session on their first time!"
>Well, that at least interested you pretty nicely.

>You decide to go into the Stallion Rut.
>Trotting inside, you soon see stallions with GIGANTIC shafts and testes all over the place, as you walked up to the stallion in front of the front desk.
>"Oh, you must be new here.  Welcome to the Stallion Rut!  Here, we pamper you to make you feel fresh and new, and we help you look like the stallion of every mare's wet dreams.  First time's free for every new pony here, so are you willing to enjoy this with so many other buff, endowed stallions?~"

>You agree to it, before asking where you lay at.
>"Don't worry, we'll lead you to where you need to go for this full experience first.~"
>He then nodded, before you began to follow him, soon into a rather big room, with a single, fuzzy table before you, with a large gap easily seen there.
>"Just lay there, with the obvious placed where the gap is, and we'll start the first part of your session, alright?~"
>He was soon getting special ointments and creams out, as he waited for you to be ready.

>You go over to the table, where he is, before getting on and laying on it, with your equine shaft and testes hanging out of the gap below, as he was ready to start.
>He began by rubbing a special ointment all over your fur, as he scrubbed it and brushed it, getting it smoothed out and shiny.
>He then went and took shampoo to your mane and tail, scrubbing it clean and making it nice and covered in such.
>Finally, as he moved below, you felt him rubbing a hoof on your own cock and testes, covering it in a special ointment.
>As he did so, you felt your cock twitch and throb, before it and your testes slowly grew bigger in size as he rubbed the ointment on them, bigger and bigger.
>Eventually, they were left doubled in size, as he helped you up off the table.
>"With that done, let's take you somewhere to wash up and get nice, warm and feeling good, alright?~"


>You soon follow him, with the intent on boning his plump ass the second you could do so.
>Soon, you found yourself in a huge room, like a pool, but filled with warm water, and quite a few VERY endowed stallions, a few even kissing each other, as he led you there.
>"Just climb into the water, it's nice and warm and feels so good.  Trust me, you'll soon feel so happy and blissful once in there.~"
>Looking at this, it truly did look like a bathhouse, but with stallions, and such warm water.
>Still, an offer is an offer.

>You nod, and soon you jump into the water.
>Once in, it felt so good as you swam in it to a nice comfy spot.
>In fact, it felt so good, you felt pleasure running through your body, as your cock became fully erect once again, sticking barely out of the water.
>This attracted the attention of a stallion, who swam over to you, and soon began to lick the flared head of your cock, giving you even more pleasure.
>You weren't sure whether to get him away from you, or just accept and enjoy this, but all this felt so amazing to you by then, as your cock was slowly growing before your equine eyes.

>You soon use your hooves to reach nearby to the cocks of two other stallions, before beginning to do your best to jerk them off, stroking them.
>Meanwhile, you let your long neck and long face be able to easily reach for the shaft of the stallion who was licking your own cock, before taking it in your long muzzle, soon sucking him off.
>He soon did the same, as you were pleasuring three stallions at once, whilst one of them pleasured you.
>As you did this, you watched as your cock, and your testes, both slowly swell bigger and bigger as he sucked you off whilst the stallion before you, and the two next to do, had the same thing happen to them.
>And the bigger your cock and testes became, the hornier you became, and the more you sucked off the stallion before you, as you felt so in bliss from your growing package.

>Soon, as you let go of his cock, all four of you went up next to each other.
>Soon, you all had your cocks and testes against each others, soon constantly rubbing them each one another as you all watched them grow and grow.
>You softly moaned as you all compared sizes, your being the smallest, due to being the new one, whilst the one was there the longest dwarfed yours in comparison.
>Soon though, they were left just growing and growing, as you enjoyed the feeling greatly of your cock and testes rubbing against theirs, causing it to grow larger in size as you helped theirs do the size.
>Good god, this felt AMAZING.

>As it went on, you were left considered so tiny in "size" compared to the rest of them.
>Still, they were indeed helping your cock and testes grow and GROW.
>After a couple of hours had passed, the one stallion from the front desk arrived, smiling at you, seeing how endowed you had become.
>"Alright then!  Ready for the final, expansive part of your first session?~"

>You nod as you got out of the pool, horny as hell now.
>Your cock by then easily stuck out between your front legs and then some, whilst your testes brushed against the floor as you trotted to go where he wanted you to.
>He soon led you into a new room, with so many strange items, mainly stuff that could plug in only god knows where.
>"This is our 'buffer room'.  It lets us get you nice and pumped up quickly, while stuffing YOU up as well to enjoy the ride.  Ready to get yourself pumped up then?~"

>You nod, ready to do this.
>He then smirked, before leading you to the center of the room, before getting you nice and comfy and laying down on your own swollen shaft.
>He then took one of the devices on the shelf, and pushed it deep into your asshole, before turning it on.
>It vibrated, before working on your body, as you began to feel so good, and so much stronger.
>Soon, you saw and felt your body bulking up and slowly growing bigger and beefier in size.
>Your cock and testes also were quickly growing from underneath you, as you were growing.
>And as this happened, the pleasure felt so great, you were seriously tempted to do the one thing you wanted to do with this new cock for so long.

>You soon pounced as best you could on the stallion, trying to stick your cock into his asshole.
>But soon you saw your shaft had swollen up too big to even begin to fill up such a hole.
>And soon, you were starting to take up a decent bit of room in this room, as it kept making you grow bulkier, buffer and more endowed, especially as you were soon forced to lay on your cock and especially your testes, with how huge and swollen they were by then.

>You finally could reach the tip of your cock, after so long.
>You soon reached down, and took in as much of your own equine shaft as you could in your long muzzle, before starting to suck yourself off.
>It felt amazing to you, as you sucked and sucked, which helped your cock and testes grow even faster as you bulked up bigger and buffer, soon looking so muscular with your equine form as you kept going.
>You didn't know where this was going, but you didn't care at all, since it felt too good to stop for you at all at that moment.

>As you go at your cock, you soon pull out a sponge.
>It was a huge, soft sponge that you had before you.
>Yup, it was neat, but for the moment you set it next to you as you kept sucking yourself off and your body and endowments grew and grew, soon pressing against the wall leading to the bathhouse itself.

>You try to leave before you've gotten too big.
>But soon, you realize you're too big and buff to fit through the doorway.
>And you're still sucking yourself off, too in bliss from this to stop now, but the tip was soon getting too far away from your mouth as the wall near the bathhouse was cracking, soon likely to give in to your size.

>You kept trying to get out of there, but your size for then wouldn't let you.
>Eventually though, the wall gave in, and the bathhouse itself was fully exposed, for all those stallions to see those toys.
>They all ran out of the water to the room around you, as they grabbed those same devices used on you, knowing what to expect.
>And if it was gonna end like that, oh the things you could do right there with them….

>Soon, you felt them all shoving a huge dildo into your ass as they found and grabbed it.
>As they did so, you're left shrinking by it.
>you shrank in size by a decent bit, but soon, you grabbed another such device, before placing it in your mouth and turning it on.
>It left you just growing as fast as you were before, as you watched the other stallions soon grow bigger, buffer and more endowed as they grew and filled up the room.
>Their own cocks rubbed up against your own as they grew, leaving you smiling in bliss as it happened, while you all grew and grew.

>You soon Leave the other stallions where they were, the dildo falling out of you as you left.
>You were still growing more and more as you walked outside, but soon the device in your mouth fell out.
>And you soon were left resting on your massive cock, as you wanted to enjoy it like you did that one time with those stallions.

>As you wander, you eventually see a house made of clouds.
>You were soon looking below at it, as huge in size and endowment as you were by then.
>You weren't even sure why you went this way, but here you were.
>And you know whoever lived there wouldn't be happy if you messed with their home.

>You soon went and poked the cloud house.
>With your massive cock.
>As you did this, the house pretty much didn't stand a chance.
>Still, what you didn't expect was a blue pegasus mare, with a rainbow-colored mane and tail, to be right on your cock.
>She quickly flew up to your face, looking stern at you.
>"Hey, what's the BIG idea doing that for?!"

>"Do you even lift?"
>She raised an eyebrow as you said this.
>"Of COURSE I can, easily!"
>You could tell what kind of mare SHE was, at least.
>"Still…..WHY'D you do this anyways?"

>You tell her you were just testing the cloud.
>"Yeah, sure…..and Diamond Dogs are geniuses.  I don't mind that, I can make a new house, but….."
>She then looked you over once.
>"…..Why in the name of Equestria are you…..this HUGE?"

>You then explained what happened.
>After you did so, she smirked, before looking at your cock.
>"So, another stallion fell for the old Stallion's Rut scheme again, huh?  Those colts always wanna make somepony so huge and swollen as Celestia knows what……but I kinda like it…..after all, The Happy Ending does that in a way to mares as well…..and oh, how good it feels…..usually it's temporary though, although you seem to be still growing….~"

>"Well, how about we see who's "bigger" then?~"
>You shrug, and agree to check cock sizes.
>"Okay then…..still, thanks to a…..special potion I kinda might've taken somewhere, I also have one of these….~"
>She then showed she had a cock of her own, sticking out between her big, plump crotch tits.
>"So then, if you can set me up with one of those device things, let's do it!~"

>"So…..how is this gonna work?"
>"Easy…..once I get growing, we'll be rubbing against each other, for maximum cock growth…..and with that, we keep going until we can't keep it in any longer and cum.  Then, the one who's the biggest after it ends…..wins.~"

>"Alright…..but winner gets to be bottom."
>She nodded, and you soon open your mouth and take out the one device, before handing it to her.
>She soon quickly jammed and already-on device into her own asshole, before she began to grow quickly in size.
>Soon, she jumped at you, before she was rubbing her growing cock and swelling crotch boobs against your own cock, which still was growing in size as you laid there, rubbing against her.
>It was on now.

>You start rubbing against her growing cock harder, as she quickly started to catch up to you in size, and "size".
>As you both frotted each other, your both left resting against your massive cocks as they grew and grew, filling up more and more of the town itself, especially with your testes, and her swelling crotch tits.
>You didn't know who was gonna cum first, but one of you was going to eventually.

>You hold off as long as you could, as both your cocks grew and grew, bigger and bigger, soon to immense sizes, as you felt closer and closer.
>Before you reached your climaxed, you heard a VERY loud and passionate moan from her, before she orgasmed hard, cumming everywhere and covering the town with her seed.
>This sight made you orgasm as well, shooting ropes upon ropes of hot white sticky stallion seed everywhere, feeling so good.
>You won the "contenst", but now you both couldn't stop rubbing each other's cocks against each other, the sticky seed acting like a lubricant to help enhance the pleasure as you both kept going, unable to stop such intense bliss.

>Well, a deal's a deal.
>She soon pushes against you, and you're left with her on top of you, still rubbing her cock against yours.
>It feels amazing to you as she does so, making both your shafts grow and grow.
>But you're now left with her cock pressing against your body.
>Still, the feel of her now huge, swollen crotch tits on your testes was an amazing feeling, as you felt them swell in size as well.
>Truly, you were one lucky stallion.

>As you laid there, you feel something press against your asshole.
>It felt so good against it, but so…..HUGE in size….
>Soon, it made you perfectly clear what it was, as it began to push into your hole.
>It was her cock, and you soon felt the flared tip of her cock inside of you.
>You felt your ass begin to be greatly stretched as she began to push it into you, slowly, inch by inch.
>With every inch she pushed into your gaping hole, you felt yourself being stretched more and more, being filled with such a massive meaty member.
>Once she got the flared head of her cock in, with her own seed helping to lubricate you more and more, she began to get more of her cock into you.
>After a while, she reached the ring on the center of her equine shaft, soon stretching you even more-so as she pushed and pushed to get it in you.
>After several attempts, you gasp in shock as she stretches you seriously wide and gaping open as she continued to fill you with her equine meat.
>eventually, after what felt like forever to you, she hilted you, her entire, massive cock within you, as you laid there.
>By then, you were basically a cock sock for her to empty and enjoy herself with, as you laid there in her, only moans escaping from your mouth as you felt unable to do much else then.

>She soon began to thrust in and out of you, as best as she could being as massively endowed as she was.
>After a while, she was about ready to let loose, and soon enough, you watch and feel as she spills her seed in you, a torrent of stallion cum in side of you filling you up as you take it all, not one drop coming out.
>When it was over, she passed out, and fell asleep, still in you.
>And still hard as a rock, keeping you stretched and on her massive member.

>You soon join her, going to sleep as you slept with her cock in you.
>You also felt so good with her massive crotch tits on your testes, as you laid there.
>A smile was formed on your muzzle as you slept, feeling so good, and so BIG as well.

>When you wake up, you find yourself in the center of town.
>You soon notice your body was the size of….well…..a pony now.
>Below you though was a stallion shaft on you that was massive in size, and definitely would likely, when fully erect, leave any other stallion to shame.
>You then stood there, unsure what to do, or what happened, as you saw pones around you now, instead of horses.

>As you stood there, you felt intense pleasure and stretching in your body as it kept going and going.
>It kept made you open your eyes, as you soon were back as a gigantic, hugely endowed stallion.
>You soon quickly realized that mare was pounding your ass again, or at least as well as she could.
>She just kept going and going in and out of you, until again, she climaxed.
>Spilling her seed within you, she passed out again, looking already spent.
>She likely was about a one and done type of equine, from how quickly she was out of it, as you still had her massive equine shaft in her.

>she throws herself off of you and positions herself behind you again
>you feel her stick her snout in your still gaping asshole
>she licks up the semen constantly dripping from your oversized anus as it trickles down your inside legs
>she takes a big lick from your massive testies to your quivering asshole
>she doesn't miss a beat as she shoves her tongue into your depths
>she laps at her salty deposit like a dog in water
>she moves herself to get more of her seed, nibbling your sensitive ring all the while
>after a few minutes of this you're brought to the edge of orgasm, only to be left empty as rainbow finishes reclaiming her seed from your now-gaping anus.

>Rainbow turns you around, your cock still dripping pre
>she kisses you deeply, tongue and all
>her cum still in sizable quantities in her mouth and nothing stops it from depositing itself in your mouth as well
>you can't help but gulp down the liquid
>it tastes salty, but tangy
>your dick gives another twitch, dropping more pre on the ground
>she breaks the kiss, asking
>"so, you want a lift, maybe to a hotel?"
>you answer "uh, sure."

>rainbow grabs you by the inside of the withers (the armpit) and hoists you under her
>she starts flapping her wings quite strongly to accommodate for the passenger
>her massive crotch-tits constantly bump into your distended gonads,
>this situation is not helping your situation,
>the breeze feels odd against your turgid rod
>you can feel her grinding into your ass at every occasion
>you thought that this was a one trick pony!
>after what seemed like a lifetime of teasing, you finally arrive at the inn.
>after trying to explain to Rainbow that you don't have any money on you she pushes you on to a park bench
>"trust me, I can take care of this."
>she took you by the hoof and lead you into the main office
>"what may I help you wi-" the pony at the head of the office said, before growing silent from looking at your award-winning dick
>rainbow dash approached the counter
>"room for two please?" she asked
>the room attendant quietly handed Rainbow two room keys,
>rainbow triumphantly handed one of the keys to you
>you tried arguing, saying that she didn't need to be with you, but all attempts to argue where shushed by her

>you give in, inwardly sighing as rainbow grabs your hoof once again and leads you to your room.
>you don't exactly have any clothing to take off,
>fuck, that seemed like a lifetime ago
>you crawl into bed, rainbow following close behind
>she crawls under the sheets as well.
>she cuddles with you, hoofs reaching behind and cradling your ass as you do the same,
>she buries her head into the crook of your shoulder
>after a few minutes she lets out a content sigh and her breathing deepens, indicating that she's sleeping.
>you can't help but drift into sleep as well, nuzzling Rainbow's chest

>you dream of distended horse dicks, slopping wet vaginas and milk dripping from overfilled crotch-tits
>you can't seem to think right
>all this imagery just leaves you without need of thought
>you seem to float in endless euphoria
>you feel a peck on your cheeks
>you open your eyes to a headache and a blue pegasus horse kissing you,
>you're confused for a moment until you realize that she's still sleeping
>goddman she's cute

>you think of giving her a proper wake up
>you're still hard from the dream, and yesterday has left you very much blue-balled
>you flip Rainbow around,
>she flops like a sack of potatoes
>"goddamn she's a heavy sleeper." you remark to yourself.
>you take ahold of your morning wood the best you can with your hoof and run it down her back, smearing pre all along the way
>you reach around with your other hoof and fondle her sheath
>she moans cutely and she quickly comes to full mast
>you drag your dick down to the entrance of her pussy, rather difficult to find between her large crotch-tits
>you take a pause, reminiscing this scene.
>you plunge in, somehow hilting on her with your ridiculously large dick
>she wakes up with a gasp
>she turns her head to face you
>you give a smile and say "good morning sunshine!"

>Rainbow smiles and lets out another chaste moan
>god for a tomboy she sure is cute
>you pull out, almost exiting, before slamming back to the hilt.
>the impact of the force causes her crotch-tits and your balls to bounce against each-other.
>the sound of flesh meeting flesh and the rocking of the bed fills the room
>you continue to stroke Rainbow's erection in time with your thrusts
>you speed up as you feel her vagina clench down on you.
>it's so tight, horses must have excellent control.
>how the hell are you this lucky?
>it feels like the nothing you've ever felt before, 
>it's like a silk glove, warmer than anything you've ever felt is caressing every ridge of your dick. Creating a light suction as you pull out and back in.
>your balls start to tighten and you know you're nearing
>and by the looks of it Rainbow is nearing too
>you hasten, the sound of flesh slapping intensifies and the very air smells of sex
>the pheromones lift you over the edge, you feel your balls tighten and you release inside her, trusting as deep as you could go.
>it quickly fills her and drips out all over the bed.
>it sets her over the edge and you feel her clamp down, effectively keeping you in place.
>she drenches your cock and everything else in a very liberal amount of her own vaginal fluid, adding to the puddle
>her own meaty rod let loose at the same time, shooting out ropes of her girl-spunk, coating the wall with a new layer of white-wash.
>you hear her panting, muttering "o-oh oh fuck", obviously on cloud nine.
>she looks at you with the widest eyes you've ever seen, and engages you in another kiss, panting in your mouth and wrestling your tongue with hers.

>you keep fighting for domination of the kiss,
>Rainbow grabs your hands without any warning and pins them to the side of the bed
>she gets up and straddles your leg and runs her entire body along yours, her dick frotting with yours; never breaking the kiss all the while.
>you are straddled, in a puddle of your and her jism.
>she gets the upper hand in the kiss and you can only let her give way as her long, muscular tongue probe your mouth, going deep into your throat.
>she breaks the kiss with a dominant smirk, but before she manages to speak a word, the door opens to show the same office pony as last night.
>she stands, mortified at the scene.
>it takes a second, but you see too
>there's a think amount of semen on the wall, a visible pool on the bed, dipping on the floor and in the center of it all is a very well endowed stallion and on top of him an almost equally endowed futa-mare on top of him
>the stench of semen is overpowering
>Rainbow and you both jump off the bed, huge blushes on their face and you both walk out of the room, placing the keys on the cum-stained dresser.
>the door slams shut behind you two,
>Rainbow looks up, asking "so, what now hotshot?"

>you ask her "mind showing me around town?"
>she shrugs and says "sure"
>you begin walking, accompanied by the blue-rainbow winged horse.
>she shows you around
>she points to the Happy Ending and Stallion Rut
>you're half tempted to run back into the Stallion Rut, but you think better of it, seeing the massive hole that was once you.
>she shows you around, the bakery, the library, the farm outside on the outskirts of town, the clothing boutique, etc. you barely notice however, as you're too busy looking at all the massive teats and balls dragging on the ground, garnering a few stares at your public erectness.
>it only seemed to make you more horny if anything, you make a note to yourself that having sex in public might not be so bad
>so after she finishes, you have a question on your mind
>"so Rainbow, why is it I'm not "growing" any more?
>she answered "well, this seems to be your natural limit, you won't grow any more, or less for that matter, you can grow longer, but not permanently." she says, almost casually.
>"so why am I not growing with you?" 
>"well, a very powerful unicorn made it so we don't grow anyone else, or ourselves."
>makes about as much sense as anything else.
>"so", she asks, "where do you want to go now?"

>you decide to go to the fashion boutique, you could use some new clothing.
>you tell her, and she gives a snort before condescendingly remarking "cloths? I know your type. you're going to be ripping out of those cloths faster then you'll get into them" 
>she jumps next to you and whispers into your ear "just the way I like them"
>almost constantly erect, you can only continue walking,
>eventually you find yourself at the boutique
>odd, it looks almost like a horse carousel.
>except all the horses are overly endowed, but seeing as how the real populace is…it makes sense.
>you push open the door, walking inside.
>a small bell rings and you hear a voice call out from inside
>"Just a minute."
>you sit down, your erection making itself very obviously known, you hardly care anymore as it doesn't seem to cause any reactions besides a few stares.
>after a few seconds, a white unicorn horse trotted out from an interior doorway.
>"hello, and who mi-" she cuts herself off as she stares at your throbbing member, making it twitch and you blush at the taboo eroticism.
>you see a drop of moisture drip from her nethers behind her rather diminutive crotch-tits
>you than notice what she's wearing,
>it's a white, loose fitting vest, blending with her coat. It manages to fit her curves just right and fondle her teats in a dangerous game of egg-in-spoon.
>you subconsciously moan and your dick twitches again, letting a small squirt of pre loose, tracing its way down your massive shaft.
>she gathers herself after the moment of pause
>"so Rainbow, who's your friend?" she asks, turning away from you.
>"he's uh… new in town." she replies.
>the unicorn turns back to you, "well, my name is Rarity, and you are?" she asks
>you explain your situation, minus the part about your escapades with that truly excellent stallion and your run in with gigantism
>Rarity looks at you with an understanding look
>"Well, any friend of Dash is a friend of mine, come along with me. Ponies don't usually wear cloths, on account of the…tendencies they possess, but if you really want." she says.
>she motions you to follow her with your hoof and turns around, her extremely curly tail giving you a look at her backside.
>'oh my god' you think to yourself, 'her dress has no backside'.
>you thank god once again for sending you to wherever this place was

>you follow Rarity to what appears to be a clothing rack, filled with shirts, and very…interesting looking pants.
>you pick out a neat looking coffee brown shirt, matching smartly with your coat, 
>you place it in an empty, smaller rack that you assumed was for you
>you look at all the pants but… they're more assless and crotchless chaps rather then actual pants.
>after calling rarity back and explaining the situation, she rolls her eyes and leads you to a fitting room.
>she takes a roll of measuring tape and starts measuring you with it.
>she manages to fondle your package with every opportunity possible, going so far as to measure the size and width of your endowment
>finishing up, rarity tells you to remain in the room while she tailors your selection.
>she comes back in with a slightly adjusted version of the shirt you pick out, which you happily don,
>she exits, and reenters with matching pants.
>what? you specifically did not pick this out.
>you open your mouth to refuse, but rarity seems to of read your mind
>"darling, I know you didn't want one, but trust me, it's for the best."
>your roll your eyes, and put them on as best you can with hooves.
>you get them on, they're surprisingly comfy,
>it feels like it was made right to cradle your testes
>goddamn it's like they don't want you to ever not be erect
>maybe for good reason
>you notice that the pants also hike your tail up,
>you blush as this means that your anus is constantly visible and the back of your testes are constantly in plain view for all those that see
>rarity also hands you 5 silk stockings, one twice as big as the rest,
>"really rarity?"
>"oh just put them on, you'll look precious.
>you don't know why you agree to this, but you put the four obviously meant to be worn on your hoofs, but the 5th one leaves you stumped
>you look at rarity questioningly
>"oh, that my dear is something I've been working on with my on special brand of magic, it's a cock sock. As long as you are wearing it, you will never cum. But you will always be on the edge.
>you ask her when this will ever be useful in public
>she looks at you before saying "with you? I think that once you put it on, you'll never want it off.
>can't argue with that logic
>once you manage to put it on, it slides all the way to the hilt, and looks like it attaches perfectly with your chaps.
>you feel the traces of magic 
>you cock your head back as the feeling of magic coaxing your seed from your balls,
>they tighten up and your cock is constantly twitching, but release never comes
>it only builds up, almost like a bad itch
>you look at your cock, it's constantly twitching and oozing pre, soaking the sock; but definantly not blowing your load.
>Rarity looks at you approvingly, before adding in "This is my trial version, since you're the first one I've used, you can have it for free. It shouldn't tear if you do happen to 'grow', which is more than what I can say for the rest of your appeal. I'm sure you won't mind."
>you barely register her words as you walk outside the room.
>outside seems to be a very aroused Rainbow Dash, 
>Her Dick is stirring and she is already moist from the scene in front of you.
>Rarity suddenly leans her body weight on top of you and gives you a reach-around. Sending another spasm of twitches to your happily tortured socked-cock

>Rarity hops off from your back and stands between you and Rainbow Dash,
>you can plainly see her dripping snatch, she's very, very aroused.
>she looks at rainbow, and glances back at you.
>she than trots up to where rainbow was sitting and sits down on Rainbow's lap, eyeing her meat in full glory.
>she starts sliding her body against the rod, staining her entire chest with the semen
>she turns around, sliding her ass between the pole and soaking her back in the same sticky white liquid.
>she beckons you, standing there like a dope while these two go at it.
>your dick, thinking for you, twitches again and you spring to her side
>You look questioningly at her,
>as if on cue, Rarity impales herself on Dash's motted dick. taking most of it in her ass in one go.
>you're still left left out on the loop…
>Rarity, noticing this, turns around to face Rainbow Dash
>"her Rainbow, our friend over here seems to be feeling a little left out on the fun."
>"why didn't he just say so?"
>Rainbow's wings wrap around the two,
>you're forced to back up as they appear to start wrestling inside the winged cocoon
>they roll on the floor infront of you, rarity still anally impaled on Rainbow-Dash,
>you take this as your chance and get in on the action.
>you roll up to Rarity's exposed front, and position your sock-sheathed cock in front of her entrance.
>You wait until rainbow dash thrusts in, and enter at the same time.
>oh my god
>it's even tighter, you can feel Rainbow dash thrusting in time with you
>and the fabric imprints an intricate design
>you have a feeling that even with it off, it'll still have the crisscross marking
>you don't have time to think about how much that turns you on either
>you're too busy thrusting.
>you've been close for the last 5 hours
>but this is dancing on the line between pleasure and torture.
>Rainbow wrapped her wings around all herself, Rarity and you,
>it became almost boiling hot, but the amplified smell of sex, sweat and cum was too intoxicating
>Rarity is soon reduced to screaming, her and Rainbow's feminine juices creating yet another puddle
>you briefly ask yourself why this seems to be so damn messy
>nah
>too busy fucking
>you can't take it anymore, you can feel yourself flaring but nothing is coming out.
>frustrated, you pull out briefly
>you grab your flaring cockhead with your teeth, careful to only grab only the sock
>with the sock off, you thrust yourself back in
>you can't have time for formalities, you want to BREED
>you go deeper until you hit her cervix, locking in with your flare
>you let loose, filling her up with your seed, determined at that moment to get her pregnant.
>rarity screams like a common french whore,
>she begins spasming on your dick
>she clenches down, hard.
>Rainbow, who up until this point was rather silent, sans moaning and groaning, screamed as well as her futa-dick was milked for all its worth by the contracting anal walls.
>Rarity threw herself off of yours and Rainbow's dicks, painting and mumbling incoherently to herself.
>You look sheepishly at Dash,
>"what did you do to her?" Rainbow asked
>"I don't know, I might of just impregnated her" you said in wonder
>she looks at you bewildered for a moment, before shrugging and going back to her own personal cloud nine
>I fucking love this place

~~~~~~~~~~END PART 1~~~~~~~~~~

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