The Grower

"I'm home, buddy!" I set my stuff down, then walked towards my room. My mind was elsewhere, so I was surprised when I bounced off a big blue belly.

"I've sure missed ya!" Fib wrapped his arms around me and pulled me into a hug against his large stomach. "And I'm glad you're home."

"Me too." My face was pressed against my alien's stomach, so it sounded like "Mfffhh phoofff." I pulled away for a moment and said "I love you Fib."

He smiled as he shrank down to my height, but I wasn't done there. "I want you to be nice and small before we start our fun."

The alien shrank even more, until the once ceiling height Fib was eye level with my bulge. He grinned and waited patiently for me to get to the bedroom and undress, before wrapping both hands around my stiffening cock.

"Ooh, Fib…" I rubbed his little body. "You give a better handjob than I could."

"Heheheh, thanks bud." He rubbed faster, stimulating my cock with his hands while I stimulated his body with my hands. When pre dropped from my tip, he licked it up and fit half my cock in his mouth. Rubbing with his hands, and sucking on the tip caused me to moan in pleasure.

I gripped his body tighter, bucking my hips and moaning. After a minute or so, I couldn't help myself. "I-I want you to stay this small forever, Fib."

As Fib slowly became larger and larger, I could feel him growing. His warm body rubbed against more of mine as he grew, weighing me down more and more. Through all the pleasure he was experiencing, he never stopped sucking my cock. He fit all of it in his mouth, and was sucking at my balls when his growth ended. I was still the taller one… but not by much, and not for long.

"O-Oh F-Fib!" I released, filling Fib's mouth with my seed, forcing him to swallow. I lay back panting, as he licked the last few drops before letting my cock go. He lay on top of me, his dick drooling onto my chest, and my cock rubbing on his ass.

"I love you. I love you so damn much." Fib's soft, horny tone sent goosebumps up my arms. "And I'm gonna grow much, much bigger for you~" He stood up, smirking. "Now, turn over."

My face was hot as I turned myself over, presenting my butt to the alien. He rubbed it, squishing and spreading it open, and I moaned out "N-Not too hard."

"Oh, I know just how to give it to you, no matter my size." He fit his cock in between my cheeks, then slowly pushed in.

"Aaaaaoooogggh!" I felt tremendous pleasure as Fib fucked me. Feeling each thrust push his big cock deeper inside me, Fib's hands holding onto my waist, the slow and forceful thrust of his body… but I wanted more. I needed more.

It took a few attempts to get out words and not just moans, but when I managed, "I-I wish you'd sta-stay small your whole life!"

"Ffffuuuuucck!" Fib's voice deepened as he moaned out, growing once again. I moaned as well, feeling his cock swell inside me, filling me more and more. Fib thrust faster and harder, until at last he came.

I moaned loudly, unable to form words as his warm cum gushed from his cock and into me. Combined with his growth spurt, Fib was forced to pull out much earlier, which made him shoot his cum onto my body as his load tapered off.

My eyes were shut from the intensity of being filled so quickly that I didn't notice what the alien was doing. That is, until I felt his weight on my body, and his warm breath on my face.

"Feed me more fibs~" His voice had become a deep bass that made me shudder. "Make me grow~"

"Ou--Outside…" It was hard to form words still. "Don't--ohhh~-- break.. house."

"Oh. No problem with that at all, then." Fib picked me up with his strong arms, and carried me outside. He walked a little ways away from the house, before laying down, with me on his chest.

Once I caught my breath I began to lie. "I-I didn't like that at all. I don't want to see you grow bigger and bigger and bigger…."

I could already feel Fib swelling in all directions as I continued, "I can't--I can't feel you growing at all, I hate it when you grow, I want you to be tinier than I am!" I humped my whole body against Fib's belly as I shouted, "I want you to shrink so small that you're the smallest thing to have ever existed!"

"AAAAHHHH~~" Fib's deep, booming moan of satisfaction pounded in my chest. All I could see was the deep blue hue of his massive belly as I humped it. His growth was so powerful it was audible. Every bwooomph of bigness, every sweeellll of size, every groooaaan of his giant, gaining form rang in my ears, and I LOVED it.

I came once more, having never even stroked my cock once. The feel of Fib's belly, as well as his very audible growth, was enough to push me over the edge again. I looked way, way up towards Fib's house-sized (and still growing, mind you) fingers, and passed out, too exhausted to continue.
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Our poor house was decimated in an instant. Bushes, cars, lamp posts, trees, and even houses… All were bulldozed to make room. As it continued, larger and larger buildings were removed from the world, until not even the tallest could stand. It seemed like hours before the growth stopped. There was so much energy in those lies… they left quite a mark on the place.

I traced down the tiny wet spot on my belly until I felt something other than cum and my skin. I let it land on my hand before slowly rising to my feet. I surveyed the area, smirking down at anyone who dared gaze upon me. The tallest remaining structure rose only to my knees. I let out a booming bellow of a laugh and stomped forwards, making a crater where my foot landed. I opened my mouth and uttered,

"I AM FIBRILIUS MINIMUS! AND I AM FUCKING HUGE!"