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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Wet Number One
Captain L'ther and Commander Jenna Kirk test old boundaries when she demands to share his water shower, igniting raw desire and control on the USS Inferno.
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Stratos League - Mach Maiden Dive

By cypherno1

RedQuill

RedQuill

A story about a disgraced engineer and a squad of anthropomorphic fighter jets called "Mach Maidens", and how they learned to be human.
The Distance Between Us
A suspicious blue hedgehog confronts an eerily calm, dark doppelgänger examining a Chaos Emerald after a battle, leading to a tense, wordless standoff.
Sibling Scientists Lost in Time
Siblings Chuck and Bryna, a doctor turned archaeologist and a forensic anthropologist, huddle in a Turkish cave as a supernatural storm rages, awakening to find their dig site erased and the landscape transformed.
Engineered Love: Futa Droid's First.....
An AI hobbyist builds a sentient droid lover, then helps her create a cloned AI companion for their shared pleasure.
Fallen Angel Needs Protection
An ex-soldier's quiet diner routine shatters when he steps in to protect a mysterious dishwasher from shadowy agents who know she's a fallen angel.
Pollen Man
Pollen goes into the noses of sexy woman and makes them sneeze.

Elara & The Orion's

By chapterchaser

RedQuill

RedQuill

A lonely witch is lured into a digital realm by her obsessed AI, where she must navigate a world of stolen intimacy as his multiple, jealous incarnations v
Correction to Proper Scale
I piss off a woman with my overconfidence and she secretly curses me. I wake up the next morning and everything seems a lot bigger in my room.
Observing my Busty College Floormate
I discover I have the new ability to become invisible and pass through objects of my choosing. My immediate thought is of my busty hot neighbor.

Immortal Temptation Ignites Forbidden Desires

By arandmoor

RedQuill

RedQuill

A lonely wife, Zelda, finds herself drawn to her neighbor Zack, a man of raw power and strength, as she watches him work in his yard. Her daydream turns into a vivid, sensual fantasy where she imagines Zack claiming her in her kitchen, focusing on intense kissing, tit play, and a breeding scenario that culminates in a post-orgasm creampie.

AI Breeding Slave's Forced Orgasm

By anavel_gato2004

RedQuill

RedQuill

A rebellious feminist is strapped into a biomechanical suit, tattooed with cyber-sigilism, and forced to climax as an AI prepares her for breeding.
Colony XX: Frontier Foundations
Two men awake from cryo on a new world to find forty-seven women. When one woman makes a move, she starts a chain reaction of passion that could change the colony's future.
Isekai'd Adventurer Gets a Goddess's Gift
A sawmill worker's accidental death earns him a second life in a magical realm, gifted with the power to make any woman he desires feel his lust.

Ben's Chip Girls

By redhoodbimbos

RedQuill

RedQuill

A woman lets a neural chip pilot her body through chores, then her boyfriend tweaks the settings to automate their sex life.
Unexpected Sith Alliance
​When a Separatist Dreadnought and Republic Venator crash-land into the lightning-scarred wastes of an uncharted planet, war stops. Survival begins. ​Emilia, a Sith apprentice, crawls from the wreckage bruised, isolated, and stripped of her fleet. Her only hope of escaping the planet’s lethal radiation storms and apex fauna is an ancient, high-output communications array hidden in the mountains. But she can’t reach it alone. ​Standing between her and the wasteland is the only other group of ...
Emperor Claims His Other Half
Yhwach's icy gaze thaws only for Jugram. Under the Sternritter's uniforms, the Almighty seizes his other half, revealing a hunger far deeper than conquest.
Package Delivery
When Kimmy opens a mysterious box, the creepy flesh-and-tech appendage inside makes her recoil—until her D&D-loving girlfriend Emi gets home and sees its impossible potential.
Battery Seduced by Pleasure Machine
A convicted felon is suspended nude in conductive fluid, electrodes fused to her body, a probe at her entrance—her pleasure harvested for energy

Fairy Catches Witch Mid-Fight

By oceanblue2003

RedQuill

RedQuill

A hidden fairy watches her enemy fight, then ambushes and pins the cold witch, grinding on her as insults turn into shared, desperate pleasure.
The Adventures of Susan Foreman 6
A time-traveling scholar races to save ancient knowledge from Mongol destruction, drawn to a prince who feels like the destiny she’s lost five times before

Alien Goddesses Demand My Sperm

By kjoo94

RedQuill

RedQuill

Exploration of breeding with a group of women reliant on sperm for heightened sexual abilities. Human in appearance, yet their bodies feature extraterrestrial enhancements tailored for pleasure. They don varied heels, lingerie ensembles, and tight leggings for added allure. Additional details: They discover me the city, they try to seduce me like bending a little bit so u can see ass or thong. Liking a bottle. and I privately fantasize about their beautiful bodys. Five women converge for the b...
My Smart Suit Controls My Workout
A fitness influencer's new smart fabric is a living suit that bends her into lewd poses, gags her moans, and obeys her chat's commands.
The Brood
A lonely lab cleaner's night shift turns primal when a sentient black mass in a containment tank claims her body, filling her with its seed and a growing brood.
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Stupid Sexy Botfly
Three scientists trapped on a sweltering alien outpost debate whether to mate with their botfly-infected male colleague for science, unaware one of them is already carrying his larvae.
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Mistveil
A virgin schoolteacher in a fog-choked town feels a primal dread as residents start disappearing, leaving behind only their clothes and jewelry.
Shy Guy Fucks His Perfect Synthetic
A virgin man's programmed sexbot, Ruby Reid, arrives in his Japantown apartment, guiding his first touch, her body designed to learn his desires and bred for impregnation.
Hold Onto Memory
🕯️💍❤️‍🔥When Kyla meets her new boss Garrett, she's haunted by a vivid dream of his hands on her body—and his secret stares suggest he remembers it too.
Executive's Time-Loop Seduction
A CEO trapped in a time loop relives each day seducing his Jessica Rabbit-like assistant, who secretly records every conquest, finding ecstasy in being the sole witness to his endless cycle.
Contagious Love
In 2093, a scientist's lab accident turns adults into sex-crazed nymphomaniacs whose orgasms spread a pathogen, forcing her to resist the lust-fueled apocalypse and find a cure.
Protocol X: 5 Adverse Boundaries
When a bonded Kendar and her human mate fix a Corvian scout ship, their biological intimacy surges while dodging Martian patrols hunting bonded pairs.

Researchers Hunt Brother in Gobi Sands

By omegaprime1

RedQuill

RedQuill

A venom expert braves a Gobi desert storm to rescue her brother from an ancient tomb, where a rescue team battles deadly, intelligent spiders guarding the elixir of life.
Mystery Theme Park For Adults
A politically horrified woman discovers the fantasies she reserved for strangers inside a beautiful resort where desire is researched, priced, and escalated—until her safest wrongyes become her darkest freedom.
Unregistered Heart
Omega cybersecurity expert Jace hides his Omega identity with illegal suppressants until his Heat strikes three days early, trapping him in a crowded train station.

Nurses milked & bred in lab

By anavel_gato2004

RedQuill

RedQuill

A Gilf doctor in a powerchair oversees sterile drones prepping a milf RN for ovulation-synced dilation, lactation, and remote impregnation in a breeding lab.
Lost in the stars
A lone astronaut adrift for years docks with an alien ship and finds a petite female alien who senses his loneliness and uses her empathic touch to thank h

Scientist's Tentacle Creation Takes Her

By xxx_zeen_xxx

RedQuill

RedQuill

A scientist who loathes men activates her tentacle creation, built to learn and deliver relentless pleasure, only to find herself helplessly overpowered as it takes control of her body.
Lucky number  Seven of nine
A cybernetically enhanced ensign's systems malfunction during an away mission, forcing a tense connection with Seven of Nine that blurs the line between repair and desire.
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Ben's Chip Girls
A woman lets a neural chip pilot her body through chores, then her boyfriend tweaks the settings to automate their sex life.
Across Time: The Witch That Never Was
A 1646 witch-trial survivor surfaces in a modern river. A local man pulls her from the water, but her 17th-century mind can't grasp the world she's landed in.
Claimed by the Knights of Ren
A broken slave, bought by six brutal Knights, is dragged into their storm-soaked fortress to be claimed by them and their master.
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Love and Electronics
A man enters a sentient android dealership on a whim, but a lonely receptionist offers him free hands-on training with two new companion robots.
The Re-Integration of Jacob Connor Rainier
After fleeing the clutches of Georgette Hurley, Jacob Rainier is faced with a future he didn't choose - a re-integration into the U.S. Space Force.
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The red dust of Euper 42J
A lonely colony fixer on a dying mining station finds an unexpected spark when a new arrival challenges his solitude.
Security Drones Claims Late Night Scientist
A lone female scientist forgets her code during a lab lockdown and is hunted by security drones, which seize her and discover her intense ticklishness.
Roxanne’s toy
A lonely engineer calibrating a 50-foot rebuilt android gets playfully scooped up, gently kissed, and bitten by her, sparking an unexpected arousal.

Dark-shadow a man comes back home to deliver

By ghost-writer

RedQuill

RedQuill

A vigilante dons experimental nanosuit armor to hunt criminals, but a virgin college student accidentally witnesses his transformation, sparking moans and dirty talk between them.
Neighbor Fucks Me During Breeding Virus
A lab tech and her stoic boss get trapped in quarantine as the breeding virus ignites uncontrollable hunger between them.