Muscle Magic
His stomach had lost most of its definition as his whole body inflated with the amount of cum the horse was forcing into his over-stretched rump.
Immortal, Chapter 8 - Yansei no Yoso
Nobu's body inflated suddenly the skin turning a bright red. with loud ripping sounds his skin tore. suddenly his entire body exploded into a fine mush. "yoko you stupid boy you missed a spot now clean it up!"
Amber Silverblood: Silverpack, Chapter Thirteen
Like a balloon, her body inflated, getting bigger and bigger by the second. she wasn't being filled with air, though. there was nothing beneath her skin but rock solid muscle.
In The Mojave: Chapter 2
It was like a wave crashing over her body, inside and out, as she felt her body inflate against her bedside. the tip of remus dick was slammed against her cervix, holding in almost all of his cum, until it started dribbling out underneath.
Not Quite Punishment
Your body inflates, then collapses, inflates, collapses, each cycle draining your energy further, compressing you, shoving your form ever thinner and tinier.
Lori Pathen 2 - Never Disrespect a Griffon
Her upper body inflated slightly but remained lupine in nature. she winked at grion with amber eyes. "end call", darkmoon said in grion's own voice. "call ended", the imp answered. a look of total consternation crossed grion's face.
[TF] Wages of Pride
The vaporeon's body inflates with polluting hydrocarbons swarming his arteries, soon to be chemically rearranged into vinyl.
Lexuria's Late Night Fun
As much as she wants to just keep pumping her breasts and cock and keep her body inflated to new sizes, she remembers what caused her to go out tonight in the first place... and the mess she's been making ever since.
Drunken Lullabies #14
Pretty large sizes too, full body inflation. and if you want to know if there's popping or not, continue this paragraph. still here? want it spoiled? okay, there's soft popping. it's always soft though, so no harm/death.
Stud & Mare
Stu bowed his head and let out a deep guttural groan as his entire body inflated a little more. mark gasped as he watched stu's ears lengthen and travel up the side of his head, forming a perfect set of horse ears.
the sentencing
He wraps his trunk around her neck squeezing until he feels her neck break, that triggering his orgasm, he pulls out and rams back in his cum shooting into her body inflating her with each shot, cum leaks from her ears, eyes, nose, and mouth her brain now
An Unexpected Change
Slowly i could see his body inflate underneath the clothing as his muscles grew in size. his chest barreling out while his stomach followed suit while he kept his belly making it a muscle gut.