Aliens Stories

Read stories about the thrilling encounters with extraterrestrial beings that expand the boundaries of desire beyond human limitations! Alien stories explore intimate relationships with beings from other worlds, whether they're humanoid, completely different, or somewhere in between.

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Stories (331)

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Explorer Claims Alien Priestess

A lone salvager unlocks a catgirl warrior-priestess from a cryopod on an abandoned planet, freeing her for a biometric cleansing and breeding pact.

Wound Tax

By xyzabc_098122

RedQuill

Wound Tax

A working-class dad races against a six-hour deadline after taking a bullet for his son, only to discover he can't afford the wound tax to stop the injury from transferring to the boy.

😈

Jack, Jill, and the Tentacle Monster

Jack and Jill go up the hill...

test

By addie_xx

RedQuill

test

A cyborg leader finds a fallen angel in a wasteland crater, her golden eyes seeing through his machine exterior. Their impossible bond deepens through vulnerable confessions in a hidden sanctuary, where cold metal learns to worship divine light.

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The Sunset Princess

A military security officer at a galactic ball spots a princess he doesn't know is married, risking his cover to approach her while his cyborg colonel watches.

Alien Seed: The Crash

A woman's solo night turns into alien domination when a crash brings parasitic creatures to her window, seeking hosts.

My Diary Summons a Shadow Beast

A shadow creature reads her secret diary and transforms into a monstrous lover, then brings his shifter friends to claim her.

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Ambassador's Alien Initiation

A human ambassador's diplomatic mission turns carnal when she must teach two alien dignitaries the art of human pleasure.

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Guard Helps Alien in Heat

By cinnamonpuppy

RedQuill

Guard Helps Alien in Heat

A human guard finds a reptilian alien in heat tangled in his sheets, forced to choose between duty and the desperate creature who needs his warmth to survive.

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The Truth is Out There

Scientist seduced by the Alien Queen - what will Dana and Securitywoman do now? @Black Bra@Clothed Sex @Straight to Lesbian @@slow burn erotica @female orgasm @corruption @Kissing @Eating pussy. @Clothed Sex @Fingering @Double Cunnilingus @Alien Queen @Futanari @bukkake @Tentacle aphrodisiac @Corruption @Dana Scully @Scientist @Securitywoman

Sissy Fist and the Harmonic Havoc

A superhero barista and the Problematic Duo hunt missing espresso beans leading them to a vending machine factory where a villain's aerodynamic chaos meets an armored genius's secret plan.

Alien Goo Breeder Seduces Her Best Friend

By tigersnow117

RedQuill

Alien Goo Breeder Seduces Her Best Friend

A redhead tomboy, possessed by alien goo, seduces her best friend to breed alien horrors that will conquer the world.

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Woman spanks alien survey team

Captured by three tiny green Martian scientists, a busty blonde outsmarts their probing plans by spanking their bare green bottoms in creative positions, sparking a slapstick retreat.

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Claimed by the Alien Hunger

By sable0001

RedQuill

Claimed by the Alien Hunger

A human captive is claimed by a primal alien aboard its living ship, its hungry tendrils exploring her body with patient, dominant hunger as she surrenders to the taboo encounter.

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Singing Flame

When a mysterious green flame appears in the desert, Elena hears its song across the country, feeling an unbearable pull that forces her to shed everything and walk toward cosmic unity.

The Phantom Ace of Venom

A captured father's mind is fused into a Neo Zeon mobile suit, forcing his son to destroy the weaponized pilot or die trying.

Cargo Captain Claims Ancient princess

A starship captain discovers a silver-haired alien princess in stasis; she kneels, offering him a branding tool and her total submission in an ancient ritual of devotion.

Halo: Spartan fall.

Commander Sarah Palmer is claimed by a Brute chieftain, who spares her not for mercy but for a possessive obsession. Based on R34 works by Sinthetic.

Rescued Alien Gives Her All

A starship captain awakens a naked elven stasis survivor, only to discover her secret rituals of loyalty test his command as strange desire turns him from rescuer to willing supplicant.

The Escape from the Ship

Jacob Rainier and his team are trapped on board an unknown ship. Will they be able to escape and uncover the true objective of the ship's crew?

The Silver Mirror

A lonely moon scientist discovers a shapeshifting alien that learns his desires, seduces him, then steals his form to explore the colony.

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Alien Tentacle Breeding: My Xylith Lover

By shhhs

RedQuill

Alien Tentacle Breeding: My Xylith Lover

A human researcher volunteers for an alien exchange program and finds herself seduced by a gentle tentacled Xylith who offers her a gift of pleasure and connection.

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They came from outer space

A news report warns of slimey space slugs raining down as a couple in Haliston discovers the creatures invading their home and pressing against their window.

Shy scientist trapped with anomaly

By noakaunt

RedQuill

Shy scientist trapped with anomaly

A shy robotics scientist, more comfortable with bots than people, gets summoned by her stern boss. Tasked with covering for a missing colleague, she must navigate a station brimming with bureaucratic tension—and a secret fascination for the enemy's tech she can't reveal.

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Entwined in Alien Musk and Fertile Kisses

By dmoore7823

RedQuill

Entwined in Alien Musk and Fertile Kisses

A human is abducted by an alien creature and finds themselves overwhelmed by its musky scent and powerful presence. The alien's tentacles ensnare the human, leading to a passionate encounter filled with sensual kissing and a focus on breeding.

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A Spicy Space Adventure

Sil arrives on a vast alien station ruled by dominant, beautifully hung alien women, where golden chastity, heavy bulges, and forbidden pleasures await.

Star Slick: Episode 1 The Royal Wedding

A starship crew escorts a lovestruck alien princess to her royal wedding, but her wild pre-marriage desires clash with a prudish ensign chaperone.

Aliens Breed Grandmother and Granddaughter

Aliens command a grandmother and granddaughter to undress each other, then endure gynecological exams, electrosex, and milking on a breeding table before both are impregnated.

Pilot Rides Giant Robot After Quake

Reality splits during a Venezuelan quake, stranding a rogue Jaeger pilot in our world. Synergy’s inner circle races to hide him before the government cracks down.

Desire Unleashed on Alien Soil

In the world of Hongkai Star Raid, a group of pioneers, after a day of exploration on an alien planet, give in to their primal desires and engage in a wild orgy. The intense, carnal encounter begins with the pioneers indulging in their own lustful pursuits, but takes a turn when Stellaron Hunters arrive and join the frenzy. The lines between partners blur as the group explores every possible combination of pleasure, with multiple participants engaging in both anal and vaginal sex simultaneousl...

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Breeding the Alien Beauties

By fishlips

RedQuill

Breeding the Alien Beauties

A human man is recruited by six alien women to save their species, enduring intense breeding sessions that push his limits.

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Protocol X: 4 Damaged Bonds

A stranded couple's bond is fatally fraying. A medic team fights against irreversible damage to save a lost love before the neural link dissolves forever.

Hard woods luring supple bodies

A lonely woman wandering a park is captured by an alien entity that learns her body with its vines, offering pleasure she never knew.

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Alien Tentacles at the Sorority Party

An alien with tentacles lands near campus and crashes a sorority Halloween party, where three women discover his true nature and eagerly explore his otherworldly anatomy.

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Immortal Breeder Surrenders to Alien Hive

A regenerative coyote superhero trades himself to an alien hive to save his teammate, becoming its breeding stud for a week of relentless experiments.

Duke's Daughter Seduces Imperial Envoy

By lardcowmichael

RedQuill

Duke's Daughter Seduces Imperial Envoy

A knight and his friend land on a swampy world for a secret mission, only to be led through strange gardens by a cryptic steward who insists they learn an ancient myth before meeting the duke.

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Two Alone in the Void

A lone astronaut rescues a naked, blue-skinned alien woman with psychic powers from a wrecked ship, forcing them to survive together against the cosmic threat endangering Earth.

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Awakening the Desert Elf

A scavenger revives a nude elven noble from a 3,847-year stasis pod in a buried Ghost Town bunker, discovering her athletic body, piercings, and revealing lingerie before she collapses into his arms.

Brother fills sister for aliens

By anavel_gato2004

RedQuill

Brother fills sister for aliens

Siblings abducted by Zeta Reticuli aliens are made to experiment on each other with medical gear, lactation machines, and electrostimulation on a gyno table.

We Are The Dominant Species.

An alien hum inside Alex's skull. Wired to a chair, he's mentally hijacked by three naked extraterrestrial women needing sex lessons. He must correct their porn-sourced ideas, guiding them toward authentic submission.

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Courier Bites Alien During Intimate Contest

By littlemissexulansis

RedQuill

Courier Bites Alien During Intimate Contest

A human courier’s delivery to ice-giant aliens turns into a primal biting contest, her cute teeth leaving possessive marks as their need for her warmth and

X-files Quick Prompt Test #1

By iwillsubmittosir

RedQuill

X-files Quick Prompt Test #1

FBI agents Mulder and Scully reunite in a basement office, hiding a past one-night stand while investigating the paranormal with unbearable tension.

Perfect Rainier - Arc 1

Jacob Rainier is an elite performing special agent at the Fazan Institute who is sent to rescue a scientist who is keeping a dark secret.

Bred by the Storm Monster

By as9w

RedQuill

Bred by the Storm Monster

A lonely woman's cabin is invaded by Kor, a powerful monster who needs her willing body to breed and grow his power.

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Alien Breeding: Step-mom & Step-sis

Family abducted by androids for breeding experiments. Step-mom & step-sister restrained, lactating, begging as platinum machines orchestrate a clinical, forced impregnation.

Naked Chess for Time God's Intel

A warrior priestess enters a chronal nexus to bargain with a time god for a legendary artifact, risking her body in a game of strip chess where every captured piece strips her closer to surrender.