129 results for "\"muscle gain\"".

- [Kutamo Labs: Protein Shakes](https://fse.anthro.fr/stories/1584699-kutamo-labs-protein-shakes.md)
  Author: Kutamo
  Tags: All the way through, Ball Growth, Cock Growth, Cum, Gay, Growth, Hyper, Lab, Laboratory, M/M, Muscle Growth, Size Difference, Testing, Transformation, experiment, tf
- [Get Bit: Make Lycanthropy Work for You!](https://fse.anthro.fr/stories/1335027-get-bit-make-lycanthropy-work-for-you.md)
  Author: FakeMan
  Tags: Anal, Anthro, Beefiness, Canine, Cum, Gay, Handjob, Infomercial, Kissing, Knot, Licking, M/M, Muscle, Reach Around, Rimming, TV, Tie, Transformation, Werewolf, Wolf, crt, fitness, sniffing, surreal
- [The Rules of Poker 2](https://fse.anthro.fr/stories/986861-the-rules-of-poker-2.md)
  Author: IanWolf
  Tags: Anatomically Correct, Ass, Bisexual, Bunny, Chubby, Cock Shrinking, Cum, Cunnilingus, Cunt Boy, Fat, Female, Fox, Gay, Ian (Character), London (Character), Magic, Male, Male/Female, Male/Male, Masturbation, Muscle, Muscle gain, Musclegut, Penis, Penis Shrinking, Precum, Pussy, Rabbit, Rosie (character), Sex, Shiba Inu, Shrinking cock, Shrinking penis, Small penis, Straight, Vagina, Weight Gain, Weightgain, Wolf, Yun (character), bicep, gain, gut, moobs, pecs, weight
- [The Wake-Up](https://fse.anthro.fr/stories/267604-the-wake-up.md)
  Author: Green Fuzzball
  Tags: Blowjob, Canine, Cock, Cock Transformation, Gay, Gay Relationships, Love, Mate, Orgasm, Sheath, Shower, Story Progression, Story Series, Transformation, Werewolf, ball, water
- [Horse Hair](https://fse.anthro.fr/stories/2207108-horse-hair.md)
  Author: sevencrown
  Tags: Adult, Anthro, Ass, Balls, Bathroom, Bedroom, Big Boobs, Big Tits, Bisexual, Boobs, Booty, Breast, Breast Growth, Breasts, Breeding, Buff, Busty, Butt, Clit, Cock, Cock Growth, Couple, Cum, Cumming, Deep Penetration, Deep Thrust, Dick, Doggystyle, Ears, Ejaculation, Equine, Erection, Erotic, Fantasy, Female, Fingering, Fucking, Furry, Futa, Futanari, Gender Shifting, Gender Transformation, Handjob, Hermaphrodite, Heterosexual, Hooves, Horse, House, Human, Kissing, Legs, Love, Lust, Magic, Male, Masturbation, Mate, Mating, Mature, Modern, Muscle, Muscle Growth, Muscles, Naked, Naughty, Nipples, Nude, Nudity, Orgasm, Other/Herm, Pansexual, Penetration, Penis, Presenting, Pussy, Relationships, Romance, Seed, Sex, Sexy, Sheath, Shemale, Shower, Soulmates, Tail, Tits, Transformation, Vagina, Vaginal
- [TF Virus Poem](https://fse.anthro.fr/stories/950304-tf-virus-poem.md)
  Author: Fawx Brownfoot
  Tags: Cock Growth, Corruption, Fox, Lion, M/F, Mind Control, Muscle Growth, Poetry, Seduction, Straight, Transformation
- [You Can Lead A Horse To Water.. ](https://fse.anthro.fr/stories/1658655-you-can-lead-a-horse-to-water.md)
  Author: Mekar
  Tags: Aphrodisiac, Bestiality, Breeding, Cumshot, Femdom, Feral, Foot Fetish, Horse, Humiliation, M/F, M/M, Watersports
- [The priest, the barbarian and the lion](https://fse.anthro.fr/stories/427517-the-priest-the-barbarian-and-the-lion.md)
  Author: Strega
  Tags: Clean, Human, Lion, Magic, Vore (soft)
- [When Raptors Go Big](https://fse.anthro.fr/stories/999255-when-raptors-go-big.md)
  Author: drakoman
  Tags: Anal, Breast Growth, Cock Growth, M/Herm, Muscle Growth, Oral, Weight Gain
- [Unionised Labour](https://fse.anthro.fr/stories/219765-unionised-labour.md)
  Author: Damaged
  Tags: Deep Penetration, Dog, Egg Laying, F/F, F/F/Other, F/Other, Feeding, Feline, Fox, Inflation, Love, Oral, Oviposition, Plant, Sable, Seed, Serval, Skunk, Vaginal, Vixen
- [Pills, Part 1](https://fse.anthro.fr/stories/784904-pills-part-1.md)
  Author: DarkCousin
  Tags: Anthro, Horse, Transformation, Transgender
- [Unleash the Beasts](https://fse.anthro.fr/stories/1645071-unleash-the-beasts.md)
  Author: TwistedSnakes
  Tags: Anal Sex, Anal penetration, Bondage, Bottom, Character - Decro (TwistedSnakes), Character - Dolfengra (Dolfengra), Corruption, Dominant/submissive, Forced, Gag, Gay, Male, Male/Male, Orgasm, Pain, Point of view - third person, Rape, Sex, Species - shark, Species - wolf, Submissive, Tentacles, Top, Top/bottom, Transformation, dominant, non-consent, stomach bulge

Next page: https://fse.anthro.fr/stories?page=3