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The Serum

This story delves into what we all wish was possible, a serum that left you more wolf than man! enjoy!

Anthro, Anthropomorphic, Canid, Canine, Clean, Genetic, Inject, Lycan, Lycanthrope, Lykanos, Male, Manipulation, Serum, Shapeshift, Shapeshifting, Transformation, Werewolf, Wolf, Wulfheart, gene, injection, needle, shapeshifter, tf, vial, werewolves

The Wish Chapter VI

Similar to the gladiators, the use of capra hicus serum on both men and women caused them to change partially.

Breeding, Discord, Reformation, Serum, Valore, Virility, beastly, catalyst, decisions

Serum 57

A nerdy scientist stumbles upon a serum that will give it's user immortality, but the company cancels the project and she's left with only one thing left to finalize the results: try the serum out for herself!

Hermaphrodite, Lactation, Lesbian, Muscle Growth

A Wish Chapter I (Original Story)

Connie now thought otherwise, the reformation equine serum pulsating in her veins.

Cock, Lust, M/F, Oral, Pony, Sci-Fi, Serum, Transformation, Vaginal

Wolf Research

The fridge has cooled down enough to move the serum into the mini-fridge. james grabs one of his needles for his insulin and grabs a vial of male serum. he put the needle in and loaded it up with serum.

Abs, Ball Growth, Cock, Cock Growth, Knot, M/F, M/solo, Transformation, Werewolf, Wolf

Serum TF

Esomadsu burst out of the wall of the small home and took flight, his cock quickly softening into his new sheath as the god went to find his new brothers and sisters that were being born from the serum

Corruption, Himbo, Hyper, M/solo, Ram, Transformation, tf

Obedience Breeds the Alpha

' secrets to the super soldier serum.

Alpha, Canine, Cheetah, Corruption, Dog, Equine, Feline, Gay, Horse, Hypnosis, M/M, MC, Mind Control, Musk, Rimming, Science, Soldier, Sweat, Transformation, brainwashing, enslavement, infection, omega, scientist, tf

Solving The Fertility Crisis

serum... only makes more...more eggs... more cum....more!!!"

Ball Growth, Big Balls, Breast Growth, Breeding, Cum Inflation, Dragon, Dragoness, Ejaculation, Growth, Hyper, Hyperphallic, Macro, Milk, Oviposition, Pussy, Virility, fertility

Breed-a-thon

serum-infused females experience contractions as powerful orgasms.

Big Tits, Breast Growth, Canine, Fucking, Growth, Impregnation, Lactation, Lagomorph, M/F, Multiple Breasts, Penetration, Pregnancy, Rabbit, Sci-Fi, Virgin, Wolf

A New You

Those affected with the serum were unnaturally healthy.

Aphrodisiac, Ball Growth, Breast Growth, Chemical Use, Clone, Cock Growth, Cock Transformation, Conquest, Corruption, Creampie, Doggystyle, Double-Penetration, Ejaculation, Exhibitionism, F/F, Fellatio, Forcedshifting, Gender Shifting, Growth, Herm/solo, Hermaphrodite, Hyperphallic, Hypertrophia, Impregnation, Lactation, M/F, M/F/F, M/Herm, Macro, Messy, Mild NC, Mindlink, Multi-Cock, Multiple Breasts, Muscle Growth, Mutant, NC, Pheromones, Size Difference, Taur, Tentacles, Transformation, Various Species

A Horse of Another...

I think i can come up with something before the serum is due," shelly's frowned deepened. "due? we can't let the serum out if it can do this!" she snapped. "nonsense, it only did this because i took in gallons on the stuff, and not by choice.

Centaur, Hyperphallic, Hypertrophia, M/solo, Transformation

Augmentation

"anomaly: traces of augmentation serum detected in core dna sample. solution: subject designated vulpine must produce sufficient quantities of seminal fluid in order to flush the remaining serum from his body.

Alien, Anal, Cock Growth, Fox, M/M, M/solo, Machine, Medical Procedures, Muscle Growth, Short