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Whitewash

It hurt momentarily as it rapidly adjusted to your unique biology. in theory, it can be applied to anyone and it will make them highly receptive to whatever alterations follow.

Goo, M/M, Muscle Growth, Muscles, Nipples, Non-Consensual, Torture, Toys, Transformation, merging, pee

Field Trip

Hax went on to explain the unique biology of the females of his species. he also explained how important not being distracted was to her. "i had no idea!" dez said, learning this for the first time. "it would explain a good many things, though.

Fox, Future, Human, Interspecies, M/F, Romance, Sci-Fi, Straight, Yiff

Shifter, Chapter 5: Testing

Because of that spontaneous transformation, there was much to learn about the unique biological processes that his body underwent.

Canine, Character Development, Forcedshifting, Gender Shifting, M/F, Plot Development, Story Progression, Story Series, Voyeurism

Cruisin for a Bruising

By some twist of his unique biology, markus' body wasn't merely enjoying that particular kind of penile intrusion, it was craving it.

Action, Balls, Bukkake, Cock Vore, Fighting, Giant, Hyper, Hyperphallic, Macro, Male, Muscles, Sci-Fi, Snuff, Transformation, Wrestling, absorption, expansion

[COMM] Pre-Party Potion Mischief

After a while they saw a clothing store that seemed intriguing enough, casually walking in and turning some heads with their scent and rather unique biology. they took their time looking around, picking out a few things that they liked.

Autofellatio, Breastfeeding, Casual Sex, Chimera, Condom play, Dicknipples, Dragon, Excessive pussy juice, Facesitting, Food Play, Group Sex, Growth, Guilmon, Huge butt, Huge nipples, Hyper, Hyper balls, Hyper breasts, Hyper clit, Hyper pussy, Multiple characters, Musk, Renamon, Rimming, Scissoring, Shark, Transformation, Typhlosion, Urethral, Watersports, excessive cum, huge thighs, hyper penis, nipple penetration, public sex

The Science of Passion

He was a poisonous dragon, which was a very rare subtype, but that only worked in his favour and in hers because it meant he had unique biology that would ensure that if the tests worked on him they'd work on anyone.

Anthro, Bisexual, Chimera, Creampie, Double fisting, Dragon, Experiments, Fantasy, Female, Feral, Fisting, Gay, Gryphon, Herm, Internal, Knot, Knotted, Knotting, Lab, Laboratory, Magic, Male, Musk, Potion, Quadruped, Raptor, Scent Aroma, Size Difference, Straight, Testing, belly bulge, bellybulge, biped, chemistry, experiment, fist, indoors, internal cumshot, sizeplay

Jade

The three of us ended up talking for almost two hours, the topic wandering from ultralight ship design, to my own unique biological features, to their jobs, then their perspectives on feline pilots, and finally to their plans for the upcoming leave.

Character Development, Cheetah, F/F, Husky, M/F, Masturbation, Rape, Sci-Fi, Slavery

An Affliction of the Heart

Their immune systems and unique biology rendered poisons and toxins of all kinds basically useless.

Clean, Drama, Drug References, Long, M/F, MLP, My Little Pony, No-Yiff, Pegasus, Romance, Sexual references, Violence, changeling