Racehorse's Prize
With that huge flare wildly pounding against his young internal organs, his insides would have been churned to red mush by now. but it wasn't so bad.
Blade's Breeding Program
He could feel something happening down in his crotch, his cock finally gone and his balls traveling like a lump into his body, almost like they were becoming some sort of internal organs. it ached, but not horribly so.
Uke and the Repair/Trade Shop (M/M)
The red slut loved big cock just like any other, but he also liked his internal organ enough to not have them completely ripped apart by the massive sausage. yet this doggy was taking it like a pro, begging for more between each moan.
Jamie's Adventures
Each changed him a little further, one giving him larger ears, another giving him better balance, and yet another giving him the correct new internal organs, but there was something on the quasi-raccoon that was still evidently human.
Following the Feral Side
His cock was a swollen, red-hot invasion into her privacy, forcing the walls of her tunnel aside and pressing her internal organs to one side or another. she was pretty sure his tip was being forced into her uterus.
Brave Epilogue
She felt like someone was squeezing her internal organs. after a few thrust, he ejaculated. to her surprise, he shot for a long time until her stomach felt congested!
Sonic the Hedgehog Chapter 2
The process only completed halfway, and her lower half from the waist down, her left arm, and a few internal organs were turned into machines. despite this, everyone was very warm and accepting towards her.
Love in Azeroth
This story contains content that my be disturbing to some so please be 18+ i don't want to be blamed for scarring of the brain and/or other internal organs that may cost you or a loved one their life so please donate to.... wait a second getting off track
Company of Wolves
Shots of pleasure coursed through his body as his internal organs reconfigured. his former testicles became ovaries. all the while his shaft still stood proud. paul's hips widened as his pelvis widened into a female's.
An Artificial Pet
His internal organs, or the approximation of it, were suddenly squeezed and crushed from the outstretching anus and intestines.
More episodes, more profits
Her internal organs made way for the intruder automatically.** **"i...feel...so filled..." biyomon managed to gasp a few words. she caressed her belly with her feathered-hands, she touched and could sense his cock that was buried inside her.
Lion Down for a Massage
He was sure his internal organs were shifting as well, and could hardly understand what was going on in his insides, save the sensations of gurgling.