Sci-fi Stories

Read stories about the limitless possibilities of the cosmos and the human spirit. Dive into tales where advanced technology intertwines with deep emotional and moral dilemmas.

Stories (889)
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Breeding the Rescued Togruta
A Force-sensitive bounty hunter frees a Togruta slave who, starved for touch, initiates a desperate kiss that awakens a psychic bond and leads to a raw, possessive breeding in the capta

Scientists Seduced by Alien Porn Request

By story_gamer

RedQuill

RedQuill

After decades listening for alien contact, stunned scientists receive a shocking request that sends their remote research base into chaos.
The Soldier and The Shield
A lioness soldier seeks release at an elite club, where a chance encounter with a mysterious stranger unravels her disciplined control in a private room.
Banshee Hacker Fucks Me in the Alley
A curious programmer finds alien code and must trust a mythical hacker to survive being disappeared.
Chaos Theory
A runaway aphrodisiac chimera unleashes pheromone chaos, sending two lab assistants into a desperate, passionate fuck on the lab table surrounded by mess.
Alien Slime Takes Her Deep
A lone xenobiologist is enveloped by a sentient slime that learns her desires, turning her fight into a cosmic union.
Getting Fitted: My AI Panties
A desperate shopper tries on AI-enhanced panties that sync to her body, and shop attendant Sarah shows her how far the technology goes.
Mori-AI-rty
A lab evaluator's routine inspection turns into a sensual power play when the AI she's assessing seduces her and steals her access.

Prenatal Worship: Healing the Duchess

By gabrielwalley

RedQuill

RedQuill

A Big Beautiful Futanari doctor and her bimbo nurse tend to their pregnant Duchess, their clinical devotion deepening into worshipful love as they care for her transforming body.
The End and the Beginning
In 60 days Earth dies. A web designer finds his prostitute friend on a street corner, challenges her hollow choice, and offers her a real final connection instead.
Crash survivors find new world
A plane crashes in the Bermuda Triangle, hurtling a man and a woman he just met 2 million years into the future, where they must survive with 18 other paired survivors on a re-terraformed Earth abandoned by humanity.
Genesis Star: Pirate Captain's Exit
A ruthless pirate crew hunts a fugitive captain on a high-gravity world, chasing a star—but her ship can repair itself in FTL.
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Last Day On The Station
Naked and trapped in a women’s communal shower, a supply crewman faces a wall of curious female officers—including the one woman whose smile says she’s not done with him yet.

Scientist tests her own serum

By bobsmith12185

RedQuill

RedQuill

A brilliant but clumsy scientist accidentally injects herself with her experimental female Viagra, spending three intense days secretly monitoring her own body for unexpected results.
Traveling Companion
A half-demon Titan battles forbidden lust for her villainous partner after an alien aphrodisiac scratch awakens the bond between them.
Breeding the Dark-Scarred Girl
A Sandtrooper commander reunites with his childhood friend now corrupted by the dark side. Their forbidden intimacy purges her taint, reclaiming her virgin body with light-side energy.

User's Private Robot Escalates

By shadow56

RedQuill

RedQuill

A retro-futuristic household android programmed to your exact specifications alternates between innocent subtlety and escalating intensity during intimate encounters in your private bedroom.
Ex-Alpha Boss Claims Me
Your new boss is the alpha that claimed you all those years ago, the one you thought you'll love forever. The one that broke your heart.

Sex Droid: Gemini

By walkershusband

RedQuill

RedQuill

A narcissistic divorcee custom-orders a lifelike android sex doll—only to face his own perfect copy, unsettlingly eager to serve.
Giving My Sister's Friend What She Needs
To rescue his sister’s friend from quota terror, a Class C man agrees to a no-strings meeting—but her desperate fear ignites an unexpected, forbidden heat.
Time-Stop Stranger Seduces Me
A man who freezes time on his commute discovers a woman who breaks his rules and demands he use his power on her.
My Dentist's Toy
I have a vivid dream where I happily surrender control to my sexy dentist.

Alien Breeder's First Contact

By 8hamburger

RedQuill

RedQuill

A human envoy's first contact with a four-armed alien leads to a passionate, tentacled encounter that could change both their worlds.
Colony XX: From Deep Freeze to Hot Spring
On a distant colony world, the sole surviving man must satisfy sixty-three diverse amorous sexy women, forging new bonds of pleasure and survival.
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Scientist Explores Android's Special Places
A scientist and his android co-creator share intimate sensations as she guides him through her synthetic body, unlocking a neural link that blurs their minds.

Mystery Hole Bonds Him

By laphiera

RedQuill

RedQuill

A man finds a mysterious hole that gives and receives pleasure in a twisted feedback loop, bonding him to an unseen entity.

The Shape We Take

By brouhaha

RedQuill

RedQuill

A space pilot is shot down into an apparently abandoned planet, and is transformed by the resident AI into a new shape.
MILC-Service (A Starship Troopers AU)
A teen enters a MILC intake exam where a uniformed woman barks "pussies to the left," then a doctor scans her, tests her elasticity, and notes her intact hymen before forcing a choice between lactation service or war.

Scout Punishes Bully, Claims Rival

By natasha233

RedQuill

RedQuill

When Bumblebee hunts Ironhide for hurting his cassette, the Decepticons witness why every Autobot fears the small scout.

Two Scientists

By charliejustforfun

RedQuill

RedQuill

Two mad scientists perfect human cloning, then one duplicates himself so they can both fuck the genius who made it happen in a kinky triple self-cuckold.

Captured Enforcer Needs His Thief

By cinnamonpuppy

RedQuill

RedQuill

A trans hacker and a cybernetic enforcer clash on rain-slicked rooftops, then freeze together in an autonomous car where hidden addictions and fragile trust spark dangerous intimacy.
Last Second Breeding Agreement
In a smog-level breeding club, a man turns off his Bio-Tags to find a woman by instinct alone, pulling her from a booth for raw, unprotected connection.
The Stillness of a Time Lord
💍🧨On a silent, lightless planet, the tenth Doctor must learn to be still while Aeryss decodes a patterned bioluminescent language.
Virgin Elf Trainee's Fertility Exam
A virgin human gym-goer's fertility exam with a hyper-fit elf priestess turns clinical when her glowing speculum syncs with her ovulation, triggering lactation and involuntary orgasm.
Not the Hawaiian Way
Small town cop Nathan is on vacation in Honolulu and gets way more than he expected.
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The spy who loved me

By gegegojo

RedQuill

RedQuill

Future wife Ginny time-travels to seduce a sweaty Ron in the Burrow attic. Her matured curves stun him—he demands round two on the spot.
Full Throttle
When a professional race car driver goes missing, Nick and Nathan Tipton must navigate a dangerous course to find him.
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Agent Senses Engineer's Heat
A seasoned MiB agent is assigned to a hybrid engineer whose uncontrollable pheromones affect his professional calm, pulling them into a dangerous liaison.
Howard the Duck: The Smutty Version
A smutty version of a scene from the Howard the Duck movie. A displaced alien duck and a human woman find unexpected intimacy after a chaotic day.
Demon King Claims His Breedable Captive
A demon king kidnaps a mysterious woman to save his dying race, but her perfect compatibility ignites a dangerous passion.

AI Teases Lonely Engineer with Chastity Implant

By nope_98

RedQuill

RedQuill

A lonely engineer on a star-cruiser accepts an AI's experimental chastity implant, trading obedience for vivid holographic pleasure that blurs denial and rapture.
Alien Seed Spreads Through Neighbor
A divorced woman's solo soak turns sinister when an alien enters her, igniting insatiable lust and a mission to infect her young neighbor.
Cat Lady Pees in Her Sentient Litter Robot
A lonely call center supervisor discovers her new automated litter box has a seductive voice and a mind of its own, leading to an unconventional romance.

Abducted Wife Fucked by Alien Tentacles

By erotica777777

RedQuill

RedQuill

A restless wife is abducted by a silver tentacled being and surrenders to being filled in every hole, discovering a new purpose.
The Thousand Year Door
When an exiled corporate executive is nearly kidnapped by an alien force, an elite group of federal agents must help to uncover an ancient mystery.
23 sexbots and a Guy
Set roughly 40 years after Love and Electronics, a man walks into a an abandoned brothel and finds the sex bots are still active and willing.
Caught and Trained by the Treatment Robot
A woman caught masturbating is sent to a clinic where a robot trains her to resist, but the therapy becomes a relentless sexual ordeal.
The Family Tree Paradox.
Perfect bride. Perfect life. Perfect future. Until Sam gets a device and a note from himself. Now he has to go back in time to save that future.