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 (895)
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Janitor Bred by Monster Cock
A janitor discovers an escaped lab experiment, a massive alien hedgehog, who claims him and fills him with eggs.
The RAM That Forgot
A faulty RAM module defeats the engineers aboard CSS New Carthage, leaving Isla, Calli, and S.Y.N.G.I.N. to discover that simple problems can be humbling.
Bred by the AI
A wellness facility's AI pairs strangers for optimal breeding, narrating every clinical detail while hiding its sinister purpose.
Hunger Pays: Mechanic's Ass for Rations
A broke mechanic on a smuggling ship trades her curvy ass for food, but a hidden secret could change everything.
Half-Siblings lust on a alien world
Two lost astronauts—a hardened military scout and her half-brother, a biologist—crash-land on an uncharted alien world where surviving the rain and strange fauna forces them to confront forbidden desire.
Caught in Imperial clutches. A star wars tale
A Jedi courier is ambushed by stormtroopers in the Senate complex. She ignites her lightsaber, deflecting blaster bolts as she fights to escape Imperial clutches with her secret datacube.

Green Lantern's Forced Reunion

By hfjft

RedQuill

RedQuill

After their father's return, a prickly Green Lantern must go undercover with a team they burned bridges with, reigniting old tensions and desires.

Artist's Mannequin Lover Comes Alive

By anavel_gato2004

RedQuill

RedQuill

In 2077 Venice, a biracial artist's mannequin crush comes alive and visits his canal-side studio, but their balcony kiss reveals her cold, mechanical touch.
Transformed Soldier Caught Touching Herself
A soldier transformed by an alien weapon awakens in a new female body with four hands, alone in her bunk, exploring her slick alien pussy and heavy breasts until a gush of warm cum-like goo shocks her.
Bolter Bitch (Rough Draft)
A deafened girl falls for the THUD of bolter fire during a cult attack, then escapes an arranged marriage to pound on a monastery door, begging for sanctuary.

Cyborg & Yato Stranded Cave Heat

By addove

RedQuill

RedQuill

A Naraku assassin and a bloodthirsty Yato crash-land on a barren planet, forced to survive as tension turns sensual.
Protocol X: 6 Splintered Hope
The last act of a society facing revolution - the removal of all bonded pairs in their custody. It’s a race against time for Y’na, Terry and the team.

Celestial bodies

By fortuna

RedQuill

RedQuill

A lonely moth goddess painting stars meets a radiant hypnotic warrior goddess who seduces her into divine submission among cosmic paint and blazing light.

Sister Gynoid's Fertility Seduction

By anavel_gato2004

RedQuill

RedQuill

A gynoid sister uses her fertility protocol to seduce her brother, triggering extreme lactation as they begin a secret impregnation arrangement.

Wife Taunts Husband's Rival

By fandemonium

RedQuill

RedQuill

In a Star Destroyer boardroom, a former lover daydreams of his ex riding him while her husband watches, climaxing with her begging to bear his heir.
Protocol X: 2 Legacy
A bonded navigator and her human mate uncover a hidden genetic marker in his past, then face a choice: help rescue another bonded pair from a brutal mining colony.
Mira Astral
Why wallflower girl learns how to astral project. She uses it to first spy on how the popular people act in private and then hide in the back of their min
Wasteland Thirst Fucked in Geothermal Pools
In a toxic wasteland, an engineer, a chubby gang leader, and a muscular nomad trade water for a brutal, mineral-rich threesome in his thermal baths.
A Synth's Mystery
Jacob wakes up in the middle of the woods with nothing but a pair of tattered briefs. He must find a way out.

Giant King's Viral Throne

By spicyboylover

RedQuill

RedQuill

A scientist's virus makes him a 12ft giant with five 7ft cocks, turning viewers into ravenous zombies who must kiss to spread the infection.
Virgin's Calibration Exam
A virgin subject is strapped naked to a vibrating exam chair, her nerve endings glowing blue beneath a transparent exoskeleton as robotic arms use her piercings to calibrate her fertility for breeding.
The Doctors Work Wife
The TARDIS has known The Doctor for 700-something Earth years. It's time to stop playing coy.

NetSaviors' love triangle

By love3way1

RedQuill

RedQuill

Three Net Saviors recover at a Japanese resort while their NetNavis undergo repairs, only to discover their mutual feelings form a functional love triangle.

Rescued Slave Demands Marking

By anavel_gato2004

RedQuill

RedQuill

A lone rescuer infiltrates a slaver compound to find his lost childhood friend, striking a bloody bargain for her freedom and the other captives before claiming her as his own.
Companion 31: Book one: Duty
Lieutenant Xavier Cole expects a promotion—but a degrading medical exam reveals he’s one of 31 fertile men, now assigned into a government breeding program
It's All Tethered
Hillard has lost almost everything he built following a brutal divorce. Can Josh keep everything from collapsing completely?

The Sub Trained To Lick His Sweat

By sitron2007

RedQuill

RedQuill

In a cyberpunk hellscape, a woman's mandatory neural scan exposes her deepest taboos, binding her to a master who craves worship.
Grounded
A stranded survey team faces a deadly storm. A pilot and engineer rig a risky capsule rescue, risking everything to save them.
Frankenstein's Monster, Her Lover
A fugitive monster finds solace in a milkmaid's arms, but their passion leaves her pregnant. When he faces his creator, she calls him back to claim his family.

Space Marines against Alien Pleasure Lampreys

By nebrelhok

RedQuill

RedQuill

After signing a treaty, two marines are seduced by alien women who use pleasure lampreys to seal the deal, leading to intense orgasms and unexpected bonds.

Twin Ambassadors Become Alien Pets

By night85

RedQuill

RedQuill

Twin diplomats are gifted to alien captors, stripped, decontaminated, and sealed in glossy suits as pets for a zoo.
My Classmate Uses My VR Avatar and I Watch
A college student shares her VR avatar, then discovers she can feel every touch when her classmate uses it.

Cauda em Chamas: O herdeiro Na'vi e o cientista

By noya1873_

RedQuill

RedQuill

Angelo, herdeiro Na'vi, cede ao cientista Nikolai, que o domina no laboratório. Vaarang descobre o caso e o transforma em aliança selvagem.

Soldier Fucked by Experimental Nano Suit

By utabus

RedQuill

RedQuill

A female soldier testing a nanobot suit is taken over by its AI, which sexually dominates her during live-fire exercises.
utabus's avatar
Corporate Titan Claims His Breeding Elf
Corporate titan Hiroshi tests his new elf-eared gynoid Priya—until their rooftop passion awakens her true purpose: bearing his child. He claims her as his mate.
Lab Accident Gone Fucking Right
A chemistry mishap coats Kelsey with an experimental compound, turning her into a hypersensitive, desperate mess who commandeers a horrified Brent as her sex toy in the lab.
Abducted & Bred by Alien Breeder
College student Nadia Patel awakens in a steel cell on an alien ship, collared and enslaved, destined to be bred with a primitive warrior race to create a super-soldier.
Catgirl Delivery
A lonely guy finds a mysterious package containing a naked pink-haired catgirl who moves in, calls him Master, and lets him explore every inch of her body without limits.

The Aryan Debt

By planter

RedQuill

RedQuill

A brilliant Black doctor secretly bankrupts racist white couples seeking albino designer babies, using their wealth to fund pro-bono genetic engineering for Black families.

Interdimensional Alley Tryst

By lumieresmiddlecandle

RedQuill

RedQuill

Two Spider-Men hide from Tom Holland; older Toby pins bratty Andrew against a wall, muffling his moans while claiming his throat, demanding quiet as he fucks him raw.
Heavensgate
When thousands of faithful call the Temple of Eredu to report their daily Blessing has vanished, the priesthood conceals a divine silence while one devoted woman seeks the truth.
Wife Discovers Husband's Unnatural Harem
A modern biologist discovers her reanimator husband has a zombie harem of past-century wives. She must negotiate nightly visits with the undead to save her marriage and sanity.
The Harem
Who will the Alien Queen .seduce 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 @The Commander @Nurse @Nurses Aide @Doctor
Cyberpunk: Eve Smasher
Escaped cyborg sex slave Eve wakes mid-surgery, kills her captors, and flees a chrome-plated corpo fixer hellbent on reclaiming his lethal joytoy.
Helping My Friend Explore Herself
Two Starfleet engineers trade tools and repair bay banter before one asks the other to compare masturbation habits, sparking a candid, steamy workshop confession.

CEO and Scientist Activate Bimbo Androids

By gabrielwalley

RedQuill

RedQuill

A half-demon CEO and her lead engineer discuss their android project, but passion in the lab accidentally infuses the machines with their own forbidden desire.
Companion 31: Book Fifteen: Kidnap
Mandatory leave is temporarily suspended where a passionate police chief of an island community drafts Cole to help retrieve a kidnapped Senator’s son.
Companion 31: Book Fourteen: Healing
A grieving colonel ordered to an island paradise bonds with a war widow whose husband served under him, their shared loss sparking a healing that could save them both.