9997 results for underground.

- [Homologous Recombination](https://fse.anthro.fr/stories/204953-homologous-recombination.md)
  Author: Dunthyon
  Tags: Black, Kat, Lab, Mass, dunthyon, underground
- [Underground League - A Public Service](https://fse.anthro.fr/stories/669370-underground-league-a-public-service.md)
  Author: SagaDC
  Tags: Anthro, Bull, Bunny, CBT, Canine, Castration, Cock And Balls Torture, Comedy, Domination/Submission, Feline, Fighting, Fondling, Lapine, M/F, Oral, Pokemon, Rabbit, Reptile, Short Story, Teasing, Violence, Zubat, ballbusting, espeon, grovyle, lopunny, mightyena, tauros
- [A Night in the Tail Underground](https://fse.anthro.fr/stories/51776-a-night-in-the-tail-underground.md)
  Author: Doctor Otter
  Tags: No-Yiff
- [Evolution Ch 1: A New Arrival](https://fse.anthro.fr/stories/345642-evolution-ch-1-a-new-arrival.md)
  Author: Ein Scorpio
  Tags: Clean, Father, Feral, GSD, Human, Machine, Mild Violence, Mother, Wolf, experiment, underground
- [Underground Tales - Chapter Six](https://fse.anthro.fr/stories/871390-underground-tales-chapter-six.md)
  Author: toucanplay
  Tags: Anal, Cum, Ejaculation, Gay, Handjob, Human, M/M, Male, Rimming, Transformation
- [Underground Tales - Chapter Five](https://fse.anthro.fr/stories/871385-underground-tales-chapter-five.md)
  Author: toucanplay
  Tags: Cock Growth, Dog, Gay, Growth, Human, M/M, M/M/M, M/solo, Male, Masturbation, Muscle Growth, Oral, Transformation
- [Underground Tales - Chapter Four](https://fse.anthro.fr/stories/871380-underground-tales-chapter-four.md)
  Author: toucanplay
  Tags: Cock Growth, Gay, Growth, Human, M/M, Male, Muscle Growth, Transformation
- [Underground Tales - Chapter Three](https://fse.anthro.fr/stories/871375-underground-tales-chapter-three.md)
  Author: toucanplay
  Tags: Blowjob, Cock Growth, Ejaculation, Gay, Handjob, Human, M/M, M/solo, Male, Muscle Growth, Oral, Transformation
- [Underground Tales - Chapter Two](https://fse.anthro.fr/stories/871371-underground-tales-chapter-two.md)
  Author: toucanplay
  Tags: Gay, Human, M/solo, Male, Masturbation, Muscle Growth, Transformation, prostate stimulation
- [Underground Tales - Chapter One](https://fse.anthro.fr/stories/871367-underground-tales-chapter-one.md)
  Author: toucanplay
  Tags: Human, M/solo, Male, Masturbation, Transformation, straight to gay
- [Underground Tales - Chapter Eight](https://fse.anthro.fr/stories/879935-underground-tales-chapter-eight.md)
  Author: toucanplay
  Tags: Anal, Aroused, BDSM, Bear, Boar, Bondage, Buck, Bull, Crocodile, Deer, Ejaculation, Elephant, Gay, Gorilla, Kangaroo, Lion, M/M, M/M/M, Male, Masturbation, Oral, Orca, Ram, Stag, Tiger, Transformation
- [Underground Tales - Chapter Nine](https://fse.anthro.fr/stories/881675-underground-tales-chapter-nine.md)
  Author: toucanplay
  Tags: Anal, Bear, Boar, Buck, Bukkake, Bull, Crocodile, Cum, Deep Penetration, Deep Thrust, Deer, Dildo, Draft Horse, Elephant, Forcedshifting, Gangbang, Gay, Gorilla, Handjob, Horse, Kangaroo, Lion, M/M, M/M/M, M/M/M/M, M/solo, Male, Mild Bondage, Mild NC, Oral, Orca, Ram, Rimjob, Semi Consensual, Semi NC, Stag, Tiger, Transformation

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