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 (827)

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Agent breaks engineered soldier on his knees

By fllingcrumbs

RedQuill

RedQuill

Agent breaks engineered soldier on his knees

After a brutal mission, Agent Smith confronts the exhausted Legacy Core TLC—commands him to shed armor and submit to a raw, punishing release.

Immortal Breeder Surrenders to Alien Hive

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.

Bred by the Everswell

By eggmanrobotics

RedQuill

RedQuill

Bred by the Everswell

A femboy transformed by an alien bioweapon becomes a breeding bull for alien women and his human neighbor, his seed swelling their bellies.

Space mechanic's hard life choices

By barracuda-4400

RedQuill

RedQuill

Space mechanic's hard life choices

A broke mechanic on a smuggling ship trades her curvy ass for food, but a hidden secret could change everything.

Xenobiologist Seduced by Civilized Xenomorph

By spicyboriotaku

RedQuill

RedQuill

Xenobiologist Seduced by Civilized Xenomorph

A xenobiologist awakens to find her colony abandoned, but her civilized Xenomorph remains, and their bond turns into a passionate, egg-laying encounter.

Captain's Tribute: Claimed by the Alien Queen

By night85

RedQuill

RedQuill

Captain's Tribute: Claimed by the Alien Queen

A human captain's peaceful mission becomes a sexual tribute when a mistranslation offers her all-female crew to an alien queen, who claims them as her personal treasures.

Sentient Toy Breeds AV Idol

By anavel_gato2004

RedQuill

RedQuill

Sentient Toy Breeds AV Idol

After a magical dildo awakens, Azusa discovers its sentient desires, leading her toward piercings and a future with Luca.

Researcher Bred by Merman in Tidal Cave

By cresentgrass

RedQuill

RedQuill

Researcher Bred by Merman in Tidal Cave

A marine researcher is snatched into a tidal pool by a feral merman who drags her to his sea cave to claim and breed her, and her secret thrill betrays her resistance.

Trans boy drained by octopus girlfriend

By milkycumman873

RedQuill

RedQuill

Trans boy drained by octopus girlfriend

A trans male raptor finds blissful submission as his trans female octopus girlfriend drains his strength and mind, becoming her free-use toy.

Stranger in a Strange World

By l74076652

RedQuill

RedQuill

Stranger in a Strange World

A man transported to a fantasy world awakens beneath twin moons, his skills converted by a LITRPG system, and meets a towering horned stranger whose golden gaze ignites a slow-burning, unexpected desire.

Lover out of space

Lover out of space

Two psychic pilots in deep space use their neural link for sex until a hive queen violently intrudes, forcing them to love her alongside each other as she slowly corrupts their bond.

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