Species Transformation Stories

Read stories about the wild adventure of crossing species boundaries to explore entirely new forms of existence! Whether transforming into mythical creatures, animals, aliens, or fantasy beings, species transformation opens up incredible new worlds of experience.

More in Transformation

💅 Bimbo 🧠 body swap 💪 body transformation 🍈 Breast Growth 🚻 gender change 🦎 shapeshifting

+2 more

Stories (234)

Ideas

Components

Scenarios

Creators

Collections

Ancient Secrets Revealed

An archaeologist is captured by wolf-men in a hidden temple, his resistance broken by hypnotic musk and sensual touch as they transform him into their devoted submissive.

😈

Sailor Transforms into Mer-man

Avonzo a thirties sailor, sailing in the South oceans in the planet of korpon, one day the ocean was shocked by big Strom the wave attack his ship, then his ship wrecks he drowned in the sea, he swim up to surfacedto reach the the broken ship, he grab it till the Strom gone after the storm gone he fainted, then the wave bring him to the cave in there he fainted till end the day one night after days he wakes up, after he wakes up he sits on the floor of the cave, he feels hungry so he walk into t...

💫

My Cow Girl Awakening

A newly transformed cow-girl discovers her animal senses and her best friend's desire, leading to a night of passionate exploration.

💜

Boyfriend catches shapeshifter girlfriend's true form

By linyuan

RedQuill

Boyfriend catches shapeshifter girlfriend's true form

小正太发现萝莉女友是能变成两米筋肉娘的拟态兽。为奖励他不离不弃，她变身高大性感的爆乳修女与豹女，三人疯狂生长献上超尺度服务。

💜

Blended Ecstasy

Biologist Taaryn Voss meets Miktos in the bioluminescent Wild Heart. Their sensual blend awakens intense pleasure and transforms her into a glowing vessel

The Love of Moth Girls and Hucows

By gabrielwalley

RedQuill

The Love of Moth Girls and Hucows

Moth girl demonesses and hucow demonesses at the University of Wisconsin discover they are perfectly matched mates, with perky futanari moths claiming their big, beautiful hucow partners.

✨

Lovers Transformed Into Canines

A couple explores immersive opposite-gender canine latex suits, discovering intense new sensations, gender play, and deepening desires.

🖤

The team of Ryan

A trainer with no starter gets a curvy anthropomorphic Mawile as his first Pokémon—she’s rebellious, gold-digging, and already lusting after him.

😈

Lovers of Long House

Jilted vampire leader rescues his dying human ex-lover from a blizzard—only to find old wounds run deeper than fresh ones.

Mouse Becomes Man to Protect His Mistress

When the moon sets, a princess and her newly-human former servant must race against time to protect their forbidden passion.

Demoness and a Porn Star Start a New Life

By gabrielwalley

RedQuill

Demoness and a Porn Star Start a New Life

A demoness bimbo and a retiring 90s adult star find nightly passion, lactation, and love in her home before her claiming.

✨

Becoming Lycan Kind

A wildlife biologist and friends flee mutant wolves. A bite triggers a primal metamorphosis, unleashing hidden desire in their forest refuge.

🔥

The easter surprise

After a surreal encounter, a man discovers a magical bowtie that invites him to assume a sensual new position.

👀

Old Paladin's Virgin Transformation

By sandystone67984

RedQuill

Old Paladin's Virgin Transformation

A seasoned, lifelong virgin paladin, Katrina Heartcourt, encounters an Ushi Oni during a routine patrol, and after being covered in its blood, she undergoes a forced transformation into a monstrous Ushi Oni herself. Her transformation triggers a surge of repressed desires, leading her to seduce her young squire, Simon, in a scene of extreme vulgarity, forbidden love, and sexual hypnosis. The narrative explores themes of submission, age gap, and monsterization, as Katrina embraces her new monst...

🍑

Fated Mates

A lone fugitive wolf freezes as her fated mate leads a patrol through the forest, forcing her to flee from the pack that would claim her.

🔥

A New Spider is Born

A radioactive spider transforms MJ into a 6'10 futanari amazon who turns straight women lesbian with her bite, changing her world forever.

The wildcats volleyball team tries supplement

The male volleyball team of Lulu college, the Wildcats, are in the dumps. About to be eliminated for the season, they can't lose a game anymore. And thats when Luke, a team member, brings supplements that are supposed to help them. And after they take it, surprise, they dominate their next match.

👀

Incomplete Transmigration

Most 'Died and transmigrated into a game' people don't get to log out. Sam does, and now is a female elf mage in our world.

A Love That Shouldn't Be

A werewolf haunted by a kill seeks oblivion in a dive bar, but a vampire with centuries of secrets locked on her scent has other plans for her.

Shark Bitch

An arrogant customer at a maid cafe torments Thiren servers until he breaks a teacup and is confronted by a wolf butler—only to wake transformed into a punk shark girl named Ellen Joe.

💜

The Rook's Rest

A noblewoman flees her family's betrayal to claim a remote estate, where her quiet life shatters when she rescues an injured fox shifter whose secrets entangle them in a dangerous, sensual bond.

Breeding the Hive - Ants in the Pants XD

A warrior becomes the evolving breeder of insectoid goddesses, nightly metamorphosing to match their alpha until a rival deity invades their harem to claim him.

Becoming the Dragon King’s Bride

A human boy becomes a dragon girl at an all-dragon academy, claimed by the alpha prince who craves her rare scales and commands her growing submission.

My Boyfriend Triggers my First Change

By abgott

RedQuill

My Boyfriend Triggers my First Change

A woman demands her boyfriend pull out, but he ignores her—revealing his werewolf nature as his knot triggers her own moonlight transformation.

X.E.N. Origins: Gator Bait

A model's photo shoot turns primal when she falls into a zoo enclosure at night and is approached by gentically engineered, sapient alligators.

Me, my Mom and the Alien

By anonydd

RedQuill

Me, my Mom and the Alien

A teen brings a strange, pulsing creature home and fights revulsion as a chemical attraction takes over, leading to an intense, uncontrollable encounter.

🍒

Joining the Horde

A fantasy thief is caught by a futa dragon in her glittering treasure hoard; instead of killing him, she transforms him into a half-dragon girl in heat, igniting a passionate collision that ends with him as her loyal mate.

💫

Roommate Turned Girl For Me

By tinyjack91

RedQuill

Roommate Turned Girl For Me

A bullied nerd's experiment transforms him into a dominant anthro beast, while his arrogant friend becomes a cute, helpless female he must now cohabitate w

🖤

Land and Sea (4)

Genshin Impact Ajax x Aether, original on profile. Alternate universe where Ajax is half faerie, an enemy race to the merfolk

👀

Syn: Engineered for Obedience

A cloned shinobi, engineered from Konoha's finest bloodlines, awakens in Orochimaru's lab as the ultimate obedient weapon.

Land and Sea (1)

Genshin Impact Ajax x Aether, original on profile. Alternate universe where Ajax is half mer

👀

Bloodline Bound

By marcello91

RedQuill

Bloodline Bound

A late-night rescue mission puts a warm-hearted human in the path of a cold vampire lord who forbids human contact—until her scent lingers.

The Fox Serum

een meisje genaamd Anne, vrolijk creatief en heeft een chrush op Manne. Manne is een jongen die van voetbal en games houdt. Manne vind anne irritant en niet leuk. ze worden samen opgesloten in een testkamer, omringd door robots. de robots testen dingen op hun uit. ze worden ingespoten met een serum dat hun half vos maakt. er zijn meerdere dosisen. in de kamer staat maar een bed. hier moeten ze samen in. ook mogen ze geen kleren dragen. langzaam veranderen ze in een halfvos.

🍑

Girlfriend's angel transformation

By reyisgay

RedQuill

Girlfriend's angel transformation

A grad student's 25th birthday party turns horrific when her girlfriend discovers tiny wings sprouting from her back, then her legs morph into cloven hooves.

🔥

Iron Fang: Apex Pressure

CORE PREMISE Silent Measure provides intel: 👉 Apex Circle is planning a direct strike on Club Pred But here’s the twist: Apex Circle = chaotic, ideological, violent Silent Measure = clinical, predictive, detached Club Pred = controlled sanctuary This becomes a three-force collision: Chaos vs Control vs Observation @Post-Engagement Aftermath Protocols @Controlled System Failure Points @Iron Fang CQB Doctrine STRUCTURE — 6 CHAPTERS 🎬 CHAPTER 1 — THE D...

Caught by the Cowboy

By firstpup

RedQuill

Caught by the Cowboy

A glitch logs rodeo hopeful Holly as cattle. Released into the arena, the cowboy who lassos her first claims her as his property.

Awakening the Primal Dinosaur Within Her

By andyknapp

RedQuill

Awakening the Primal Dinosaur Within Her

A young paleontologist, Eliza, uncovers a mysterious, talking Tyrannosaurus Rex skull that transforms her into a voluptuous, anthropomorphic T-Rex woman, awakening primal desires and powers within her. Her new form, a blend of human and dinosaur, is a vessel for the ancient creature's essence, leading to intense, otherworldly experiences and a deep, carnal connection with the spectral T-Rex. Eliza's transformation unlocks a world of heightened sensuality and raw, predatory instincts, as she na...

✨

The Rescue (OmegaxOmega)

By cinnamonpuppy

RedQuill

The Rescue (OmegaxOmega)

An omega engineer rescues a drugged younger omega from a predator at a bar, only to end up alone with the feverish, heat-struck stranger in his apartment.

🍒

New Student Lets Guard Down

By rulerofrift11

RedQuill

New Student Lets Guard Down

New goat faunus Sarah hides a grimm venom and a secret anatomy; snow leopard Gwen's curiosity sparks dangerous attraction at their high school.

🌙

Worlds Collide: Infinity Sex

Three universes collide as superpowered champions are abducted by a cosmic entity demanding explicit sex or annihilation.

Hives new queen

A scientist transformed into a bee woman uses her aphrodisiac pollen to turn corporate rivals into devoted lovers, building a matriarchal empire.

Dragon Goddess Transforms Warrior Into Her Breeding Princess

A dragon's spirit possesses warrior Kaladin, reshaping his body into a powerful draconic princess as his comrades Cairo and Juno fight to save him.

🔥

“Daddy” Trains His Pet

By robloxnerd123

RedQuill

“Daddy” Trains His Pet

A devoted dog in his mom's voluptuous body shamelessly begs her shy young master to use her, testing his timid nature.

🖤

Merrymaking

A weary swordsman yields to a magical clown's seduction

Rescued by a Succubus

By jessicasbubbles

RedQuill

Rescued by a Succubus

College student Tyler saves a stray black cat from traffic, only to bring it home and discover the feline has transformed into a scantily-clad man with red eyes and a knowing smile.

🌶️

Land and Sea (3)

Genshin Impact Ajax x Aether, original on profile. Alternate universe where Aether is being hunted by fishermen

👀

银发金瞳女神的午夜失控

By hgggff

RedQuill

银发金瞳女神的午夜失控

Silver-haired goddess unleashes her hidden power, pinning her teammate in their midnight tent with primal need.

🔥

Minotaur Claims Labyrinth Girl

In the Labyrinth, a newly transformed warrior Minotaur confronts a sword-wielding huntress who freezes at the sight of his immense size, their tension shifting from combat to carnal claim.

🍑

Related Categories

💅 Bimbo 🧠 body swap 💪 body transformation 🍈 Breast Growth 🚻 gender change 🦎 shapeshifting

+2 more

More Categories

Anal Cheating Lesbian Swinger Crossdressing Transformation

+23 more