1907 results for serum.

- [Waking Up As A Test Subject](https://fse.anthro.fr/stories/1097923-waking-up-as-a-test-subject.md)
  Author: Joshiah
  Tags: Blowjob, Bondage, Cum, Cum Swallowing, Cumshot, Leather, M/M, Male, Oral, Oral Sex, Story, Swallowing, Throat Penetration, Transformation, straps, tf, throat fucking
- [Chapter 8: My Grandparents Visit and The Alpha Project is Explained](https://fse.anthro.fr/stories/155414-chapter-8-my-grandparents-visit-and-the-alpha-project-is-explained.md)
  Author: Jake Shadow Wolf
  Tags: Anthro, Avian, Bovine, Canine, Character Development, Cheetah, Dog, Dragon, Dragoness, Equine, Feline, Fennec, Fox, Highschool, Human, Humanoid, Hybrid, Leopard, M/F, Non-Anthro, Pantheress, Plot Development, Rodent, Story Progression, Story Series, Vulpine, White Tiger, Wolf, Wolfox
- [Fiery science](https://fse.anthro.fr/stories/969987-fiery-science.md)
  Author: skynero19
  Tags: Age Difference, Anal, Arcanine, Butthole, Husky, Incest, M/M, Oral, Pokemon, Science, Transformation
- [The Wish Chapter II](https://fse.anthro.fr/stories/1186066-the-wish-chapter-ii.md)
  Author: Vaulthurst
  Tags: Bovine, Discord, Equine, Lust, M/F, Revenge, Transformation, desire, diabolical
- [Chapter IX: Healthy as a Horse](https://fse.anthro.fr/stories/964944-chapter-ix-healthy-as-a-horse.md)
  Author: Nex_Canis
  Tags: Forcedshifting, Gay Relationships, Horse, Human, M/solo, Muscle Growth, Muscles, Plot Development, Story Series, Superheroes, Transformation, Werewolf, Wolf
- [Labor of Love](https://fse.anthro.fr/stories/120316-labor-of-love.md)
  Author: Fifi_the_Skunk
  Tags: Gender Shifting, German Shepherd, M/M, Mind Control, Transformation
- [[Cure] First Infection](https://fse.anthro.fr/stories/194170-cure-first-infection.md)
  Author: Th3Shadow
  Tags: Anal, Boobjob, Breast, Breast Growth, Cock Growth, Cum Bath, Cumshot, Human, Hyper, M/F, Oral, Penis, Plot Development, Science, Transformation, Vaginal, expansion, infection
- [Speciality Drink](https://fse.anthro.fr/stories/493152-speciality-drink.md)
  Author: Rei_Lin
  Tags: Breast Growth, Cock Growth, Hermaphordite, Lesbian, M/F, Penis Growth, Sex, breast expansion, drug
- [Mershark Tale](https://fse.anthro.fr/stories/2163369-mershark-tale.md)
  Author: sevencrown
  Tags: Anthro, Anthropomorphic, Boobs, Couple, Female, Fins, Fucking, Gender Transformation, Herm/herm, Hermaphrodite, Lust, Male, Mermaid, Near Future, Nude, Pansexual, Penetration, Scales, Sci-Fi, Science Fiction, Sex, Shark, Short Story, Swimming, Tail, Teeth, Transformation, Underwater, intersex
- [Chemical Bond](https://fse.anthro.fr/stories/1365365-chemical-bond.md)
  Author: Smokescale Aquatos
  Tags: Ball Growth, Cum Inflation, Fat, Fox, M/M, Oral, Raccoon, Science, Weight Gain, Weight loss, cum addiction
- [BOVINE PARENTS (Ch. 4)](https://fse.anthro.fr/stories/1100012-bovine-parents-ch-4.md)
  Author: qoo123
  Tags: Anthro, Anthropomorphic, Bovine, Bull, Cow, Family, Farm, Father, Hooves, Horns, Human, Hybrid, Male, Muscle, Muscles, NSFW, Naked, Pain, Plot Development, Science, Series, Story, Story Progression, Story Series, Transformation
- [A Date With a Scientist (Anthro Cat TF)](https://fse.anthro.fr/stories/977664-a-date-with-a-scientist-anthro-cat-tf.md)
  Author: Crola_the_Snake
  Tags: Anthro, Cat, Date, Male, Transformation, injection, scientist, tf

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