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New Beginning Chapter 10: Origins Revealed?

Should i tell her we were both guinea pigs for some twisted monster that played around with our dna and mixed it all up like a rubik's cube? no...i couldn't bring myself to tell her that. if she asked later, maybe i'd tell her.

Hybrid, Pokemon, Raichu, Story Progression

Diaper Lab: Ch 1

Of course, the only thing that matched all those requirements was an experimental guinea pig for this guy named professor s.

Diapers, Fart, Flatulence, Gorilla, Humiliation, Lab, Male, Raccoon, Science, gas, suppository

Other Side Of Summer II: School Days

Wilkenson suspected that no one in the district had any idea either, and she gets to be the guinea pig... figuratively, not literally. \*\*\*\* as august crawled on, ms.

Classroom, Coyote, Transformation

The Devil's Toys

"you have your guinea pig."

Aliens, Death, Fanfiction, Gay, Gay Relationships, Lynx, Male, Military, Otter, Pain, Romance, Science, Science Fiction, Violence (Not In Yiff), XCOM, loss, morality, technology

Chapter 56: Survived The Fight of the Life.

Amelia also looked down at al and just to see that al felt sad to spend his remaining time as guinea pig, but they wanted to know how bad the newly form glitches are. al looked at matt and requests some things.

Digimon, Human, Long, No-Yiff, Story Progression, Various Species

The Fluid Fraternity, Chapter Two

She wanted to know just what the fraternity considered to be a singular drink and thought that turk would be a much better guinea pig for that.

Exhibitionism, Female, Group, Interspecies, Male, Masturbation, Orgy, Piss, Sex, Voyeurism, Watersports, competition, masturbating, omorashi, peeing, pissing

SWAT Kats: Vampire Stalker, Ch 1-4

He shivered in terror, afraid the mad creature intended to use him as a guinea pig for his next experiment. his guess would be right. _weeks later..._ "uncle, we've searched the whole area and can't find what did this."

SWAT Kats, Story Series

Breaking Apart

Diane, for guinea pig's sake - help me!" but there was nothing she could do, not as he swiped and wiped at his body, trying to get rid of the ash with increasingly desperate movements.

Anthro, Ash-like grains, Breaking apart, Commission, Crumbling apart, Diane Foxington, F/solo, Falling apart, Fantasy, Female, Female/solo, Fox, M/solo, Male, Male/solo, Mr wolf, Non-erotic, Nudity, Payback, Revenge, Rule 34, Sand-like grains, Sensation, Sensation play, Short Story, Story, Vixen, Vulpine, Wolf, fetish, furry, kink

Day of the Sex Zombies part 2

"to hell with that, you get your guinea pig someplace else."

Cat, Female, Fox, Male, Orgy, Otter, Rape, Robot, croc, zombies

A Job Gone Terribly Right

"if you think i'm going to be your guinea pig. . ." "no, i think you'd make a terrible guinea pig," she walked around behind him, resting her strong padded hands on his stiff shoulders.

Cunnilingus, Cyberpunk, F/F, F/H, F/Herm, Feet, Feline, FtH, Husky, Kissing, Knot, Latex, Licking, M/F, MtF, Paws, Transformation, Transgender, Vaginal

He's Home

I read in magazine about duck a l'orange and decided to modify it a little," he began to dish up a plate of the duck breast and sauce, "figure i'd use you as a guinea pig.

Age Difference, Anal, Anatomically Correct, Blowjob, Bulge, Doberman, Fingering, Gay, Incest, Love, M/F, M/M, M/solo, Masturbation, Musk, Oral, Pre, Rabbit, Rimjob, Rimming, Romance, Rottweiler, Underwear

Breaking in a Toy — 8

Jesse was uncollared, and i turned on the water, having him step inside as a guinea pig for the temperature with a cruel smile. he almost resisted, but knew better. he seemed to be doing well.

Cub, Rape