>Arrhythmia invites you over for another of her fabled "taste testing" sessions
>it proceeds as usual: Arrhythmia showing you everything she baked and then devouring it
>months of this have left her with an unbelievable amount of padding; her rump, hocks, and withers thick and soft to the touch
>but her most prominent feature is nearly brushing the floor, causing her gait to be more a wobble than a waddle, let alone a trot
>you relish in the gluttonous display that she so lovingly crafts and consumes, but your favorite part comes after
>she's become a fat little furnace as of late, so the bellyrubbing and cuddling and napping are now done in your boxers and without covers
>this particular taste testing is legendary, requiring your assistance during and after, her gut now pooling out on the floor and between her legs as she feebly tries to waddle
>with some effort, she's in bed and facing you while you start the massive belly massage
>she's snoring almost instantly and you aren't long after, but not before you get your fill of kneading and rubbing her enormous belly (you never get your fill)
>your dreams are soft, warm, and sweet, just like her
>she's as big as she was when you dozed off, happily waddling up to you and nuzzling against your leg
>"Hey, put your hand on me!" She giggles. "I'm squishy and warm and I just keep growing!"
>and she does, much to your surprise
>she soon loses the use of her legs entirely, her entire body filling up like a fat balloon
>you're swept up in the pink tide of blubbery, squishy horse, her forehooves holding you in a soft hug atop her enormous gut
>breathing heavily, your erection is massive and unmistakable now, and you try to cover it up, embarrassed
>"What are you hiding it for?" She's grinning, half-lidded, pulling you closer with her fat forelegs.
>Your breathing quickens, face flushed, lips dry
>"I knew you liked this the second time we did taste testing! C'mon..." She purses her lips and presses them against your head. "I'm thirsty now after all those sweets. Aaahhh..."
>her mouth opens, tongue lolling out, pulling you in, you gasp and plunge your fingers into her mane and buck your hips
>it's warm, so warm, and you can feel her muffled giggles as your fingers move through soft pink curls
>you buck again and wake, startled
>you're in a cold sweat from the dream, the heat of Arrhythmia not helping much there, and to top it off you have morning wood like never before
>your grogginess turns to dread as you feel how warm your groin is, your erection poking through your boxers and against her tummy
>or... or into
>in the soft light of the moon you can see that you're fully hilted into her bellybutton
>trying your best not to panic, you look around frantically, hoping not to wake her
>you try to move just your hips, but her gut is huge and smushing into you, keeping your dick firmly buried in her navel
>placing your hands softly on her belly, you try and push yourself away to get loose, sweating even more due to her radiating heat and her tight, deep, plush, heavenly...
>like a Band-Aid, you'll try and get loose, one quick push and you're out and she'll never know just how nice her softness feels against your aching, throbbing...
>as you push, there's a mumble, and a hoof falls over your shoulders, belly being pressed into you, thoroughly trapping you as your breathing escalates, her wobbling belly fat teasing you closer to an ashamed release
>in a moment you realize that the frantic, lusty breathing is not only your own
>"N-no... Leave it in... please?"