His body was still huge, bigger than before - the effects of the serum apparent from his thick neck to his broad thighs.
Anal, Clone, Drugs, Lion, M/M, M/M/M, Mule, Oral, Superheroes, Supervillains, Threesome
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
He had reformulated the serum to use his semen as its base while using his other ingredients from the first serum. this would give him complete control over all rats brought in through soon-to-be-marketed products of rodent contamination.
Bisexual, Corruption, M/F, M/M, Masturbation, Musk, Mutation, Orgy, Rat, Sex, Sexual Transmitted Vermin, Transformation, infection, smut, virus
Oh no she thought, it was his cum, his serum laced and concentrated cum, only last night she wasn't herself, she was transformed into something else, something more sensitive to the effects of the serum.
Breast Growth, Cock Growth, Hermaphordite, Lesbian, M/F, Penis Growth, Sex, breast expansion, drug
The hyena decided to inject the new serum into this new plant. the serum contained growth hormones that were to be used for healing purposes, but tanzi figured the plant needed that extra spurt.
Captivity, Hyena, Other/Herm, Plant, Swallowing, Tentacles
Their tongues entwined over the bruin shaft as they licked the serum from each other's mouths. garron poured the rest of his vial out over the two serum-addicted girls making out, only spurring on their frezied tongue lashings.
Death, Drugs, M/F/F, Oral, Threesome
Seda impulsively tests a new experimental serum, and the results are not what's expected!
content warning for relatively minor body horror/graphic transformation descriptions.
Aroused, Ball Fondling, Cumshot, Ejaculation, Erection, M/solo, Masturbation, Mild Bondage, Orgasm, Rat, Sci-Fi, Shapeshifting, Short
Practically bouncing in my brain in decided to give him peace, in exchange for the view of the most important phase of the serum.
Alien, Human, Transformation
"unfortunately the serum they developed was created using predator-related genetic markers.
Bunny, Cock, Cum, Female, Fox, Growth, Hyper, Judy Hopps, M/F, Male, Nick Wilde, Orgasm, Pussy, Rabbit, Rough Sex, Shower, Size Difference, Vaginal, Vulpine, WildeHopps, Zootopia
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