Science Fiction FanFiction

Seeing the Stars

Seeing the Stars

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Fandom
Original Work
Characters
Original Characters
Tags
Superpowers Mystery Reincarnation Xuanhuan Xianxia Wuxia Fantasy Transmigration Rebirth Science Fiction cultivation Unorthodox Cultivation
“Truth is written by those who survive. History is whispered by those who remember. And the world is always watching.” It was a common saying in the Blood Eye Sect. Similar to an Earth saying “History is written by the victors”.In this world, cultiva...
Meeting

Meeting

F/F
M/M
G
Updated
11.04.2025
Fandom
Original Work
Characters
Original Characters, Original Female Character(s), Original Male Character(s), Original Male Character/Original Male Character, Original Female Character(s)/Original Female Character(s), Original Robot Character(s), Original AI Character(s)
Tags
Detectives Mystery Original Fiction Science Fiction Future Robotics Artificial Intelligence Cyborgs Sex Robots Alternate Universe - Future artificial intelligence prostitutes woes of using machines for connection
In a world where robots are made to be almost indistinguishable from humans, mystery arises.Focusing around two characters Setsuro and Candy, and the start of their undercover work into finding out where the missing people are going.
Oblivious Schnee

Oblivious Schnee

F/F
G
Updated
11.04.2025
Fandom
RWBY
Characters
Ruby Rose (RWBY), Weiss Schnee, Maria Calavera/Ruby Rose/Weiss Schnee, Jaune Arc/Jessica Cruz/Pyrrha Nikos, Maria Calavera, Jaune Arc, Pyrrha Nikos, Jessica Cruz
Tags
Alternate Universe - College/University Science Fiction Roommates Autism Spectrum
Weiss Schnee is not a very social or outgoing person, she is a cold calculating and very logical person who is a little on the spectrum. Being overall very poor with social cues how was she supposed to notice her roommates weren’t normal.
Becoming Male in the 22nd Century

Becoming Male in the 22nd Century

F/F
F/M
Other
G
Updated
11.04.2025
Fandom
Original Work
Characters
Original Female Character(s), Original Non-Binary Character
Tags
Worldbuilding Science Fiction FTM Transgender Gender transformation forced transformation Body Modification
In a dystopian future where the male population has dwindled, sixteen-year-old girls must draw lots to determine who will undergo a gender transformation. This is Rila’s story.
Arcane Season 3 - Act 3 - The Final Act

Arcane Season 3 - Act 3 - The Final Act

F/F
F/M
Gen
G
Updated
11.04.2025
Fandom
Arcane: League of Legends (Cartoon 2021) League of Legends
Characters
Jinx (League of Legends), Ekko (League of Legends), Viktor (League of Legends), Ekko (League of Legends)/Powder from s02e07 AU (Arcane: League of Legends), Powder from s02e07 AU (Arcane: League of Legends), Ekko/Jinx (League of Legends), Luxanna "Lux" Crownguard, Ekko & Jinx (League of Legends)
Tags
Angst Time Travel Romance Alternate Universe Fantasy Science Fiction The Arcane (League of Legends) Post-Arcane: League of Legends Season 02
SPOILERS AHEAD - Please read ACT 2 before proceedingA shattered city, a lost past, and a choice that could rewrite time itself.After barely surviving Warwick's attack, Powder, Ekko, and Lux uncover a shocking truth- Powder from another universe arriv...
How to Tame My Werebeast Companion

How to Tame My Werebeast Companion

F/F
F/M
G
Updated
11.04.2025
Fandom
Original Work
Tags
Slow Burn Platonic Cuddling Fantasy Science Fiction College Best Friends Platonic Relationships Platonic Female/Male Relationships Science Fiction & Fantasy
This is another series of short stories covering events between chapters 23 and 24 of "An Order of Silence" Except it'll focus mainly on Ian and Kiara instead. Many new characters will be introduced, and we get to see how Ian and Kiara's relationship...
The Winner Takes It All (The Loser Has To Fall)

The Winner Takes It All (The Loser Has To Fall)

F/F
F/M
Gen
M/M
G
Updated
11.04.2025
Fandom
Teenage Mutant Ninja Turtles (TV 2012) Teenage Mutant Ninja Turtles - All Media Types Teenage Mutant Ninja Turtles (Bay Movies)
Characters
Leonardo (TMNT), Karai (TMNT), Donatello (TMNT), Michelangelo (TMNT), Raphael (TMNT), April O'Neil (TMNT), Leonardo (TMNT)/Yuichi Usagi, Donatello & Leonardo & Michelangelo & Raphael (TMNT), Donatello & Leonardo & Michelangelo & April O'Neil & Raphael (TMNT), Casey Jones/April O'Neil (TMNT), Casey Jones (TMNT), The Foot Clan (TMNT),
Tags
Medical Trauma Protective Siblings Brotherly Love Blood and Injury Blood and Gore Torture Post-Traumatic Stress Disorder - PTSD Implied/Referenced Suicide Implied/Referenced Child Abuse Emotional/Psychological Abuse Psychological Trauma Implied/Referenced Character Death
Leonardo gets sent to South America for leadership training and is expected to come back after a year.------------------------------------------------------------------------------------------------------------Or Leo can't remember the last time her...
The Adventures of Jones & Walter

The Adventures of Jones & Walter

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Characters
Original Characters, Original Female Character(s), Original Male Character(s), Original Trans Character(s), Original Non-Binary Character, Original Child Character(s), Original Non-Human Character(s), Original Alien Character(s), Original Human Character(s), Original Animal Character(s)
Tags
Depression Character Death Blood and Injury Blood and Gore Gore Fear Trans Male Character Implied/Referenced Suicide References to Depression Implied/Referenced Self-Harm Aliens Implied/Referenced Child Abuse
Walter Rogers and his new found "buddy" from the Academy of Space Exploration & Research Jones Smith get sent into space to explore the galaxy. But with the encounter of an abominated Praying Mantis plans change and end up trying to save two new...
[Peach] Novius extras

[Peach] Novius extras

F/F
F/M
M/M
Other
G
Updated
11.04.2025
Characters
Quinn Cobain/Lane Mercury, Casey Frost/Owen/Fin, Quinn Cobain, Lane Mercury, Casey Frost
Tags
Slow Burn Original Character(s) Gay Male Character Original Fiction Science Fiction Original Universe Sci-Fi Gay yearning but not too slow gays in space space transgender gender is fluid
Quinn Cobain and Lane Mercury are 2 of my oc's who work in space for Embler, set in the distant future.This is my attempt to get a feel for them while I write a larger story with them. So this will be various prompts/experiments.
One-Way Comics Present: OMeGA Owls

One-Way Comics Present: OMeGA Owls

F/F
F/M
G
Updated
11.04.2025
Fandom
The Owl House (Cartoon)
Characters
Amity Blight/Luz Noceda, Amity Blight, Luz Noceda, Eda Clawthorne & Luz Noceda, Eda Clawthorne, Lilith Clawthorne, Hunter | The Golden Guard (The Owl House), Gus Porter, Willow Park, Vee (The Owl House), Raine Whispers, Luz Noceda & Vee,
Tags
Alternate Universe - Canon Divergence Science Fiction Trans Luz Noceda Trans Amity Blight Trans Willow Park Trans Hunter | The Golden Guard (The Owl House) Trans Gus Porter in fact pretty much everyone is going to be trans down the line
Luca Clawthorne was just a normal if not a highly bubbly teenage boy. But that all changed when he returned to his adoptive mother's home city. Now, he must fight to protect his city and probably the entire world from a mysterious force from underg...
Trial of the Lion

Trial of the Lion

F/F
G
Updated
11.04.2025
Fandom
Gunmetal Olympus
Characters
Zeus (Gunmetal Olympus)/Original Character, Zeus(Gunmetal Olympus), Original Characters (Gunmetal Olympus), Dionysus (Gunmetal Olympus)
Tags
Loss of Virginity Alternate Universe - Canon Divergence Explicit Sexual Content Manipulation Dubious Consent Kidnapping Vaginal Sex Drowning Trans Female Character Science Fiction Toxic Yuri... Cyborgs
A week after Thysa's first battle alongside Dread Persephone, she is summoned to the gilded halls of Zeus' palace.
Project Quio

Project Quio

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Draco Malfoy, Ron Weasley, Hermione Granger, Hermione Granger/Draco Malfoy, Ginny Weasley, Original Muggle Character(s), Theodore Nott
Tags
Post-War Post-Hogwarts Science Fiction Outer Space
CONFIDENTIAL PROJECTQuio CLASSIFICATION LEVELTop Secret - Eyes Only RECRUITMENT TYPESelective - By Invitation Only OBJECTIVETo create a contingency response team trained to manage and address a potential future event involving the discovery...
The Nightfall of the Planet.

The Nightfall of the Planet.

M/M
G
Updated
14.04.2025
Fandom
Original Work
Characters
Regulus Black/Barty Crouch Jr., starkiller - Relationship, Reggy, Bartolomeu
Tags
Aliens Science Fiction Philosophy Alternate Universe - Science Fiction
In a future where humanity is on the brink of extinction, "The Nightfall of the Planet" reveals the struggle of Bartolomeu, a human survivor, to preserve the memory of his species amidst a new alien order. After the invasion of the Jumalttinos, an ad...
Look at Myself in the Mirror

Look at Myself in the Mirror

F/F
Gen
G
Updated
12.04.2025
Fandom
Original Work
Characters
Original Female Character(s)/Original Female Character(s), Kat
Tags
POV Female Character Magic Original Character(s) Magical Cute Lesbian Science Fiction Sapphic Original Female Character(s) - Freeform Hot wlw girlxgirl
This is a little like "Choose your own adventure". (Begin Here) Click the links in the story as you go to figure out what to do next.Previously, you were at: Take a closer look at itAnd you decided to: "Look at my reflection."...you're here because y...
Even Kryptonians Fall In Love

Even Kryptonians Fall In Love

F/F
G
Updated
12.04.2025
Fandom
Supergirl (TV 2015)
Characters
Lex Luthor, Kara Zor-El, Kara Danvers/Lena Luthor, Kara Danvers, Lena Luthor, Alex Danvers, Winn Schott Jr., Kelly Olsen (Supergirl TV 2015), Nia Nal, Andrea Rojas, Cat Grant, Kara Danvers/Lena Luthor/Supergirl,
Tags
Slow Burn Sexual Content Other Additional Tags to Be Added Romance Slow Romance Fiction Lesbian Character Lesbian Sex Science Fiction Lesbian Lena Luthor Slow Burn Kara Danvers/Lena Luthor SuperCorp
Slow-burn smut of Kara Zor-El and Lena Luthor.Kara has a crush on Lena.Lena finds out Kara is Supergirl.Kara tells Lena she is Supergirl.Many other things happen. I'm terrible at summaries. Enjoy!
blue

blue

F/F
F/M
Gen
M/M
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Other Relationship Tags to Be Added, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Minor or Background Relationship(s), Petunia Evans Dursley, Petunia Evans Dursley & Lily Evans Potter
Tags
Guns Blood and Violence Kidnapping Morally Ambiguous Character Science Fiction Alternate Universe - Everyone Lives/Nobody Dies Crossover Good Peter Pettigrew Good Petunia Evans Dursley except the evans parents alternative universe no voldemort
Petunia froze in time, and Lily always wondered what would happen if her sister were still with her.
STÅRVEIL : le voile des étoiles

STÅRVEIL : le voile des étoiles

G
Updated
19.04.2025
Fandom
Harry Potter - J. K. Rowling Stargate SG-1
Characters
Sirius Black, Jack O'Neill, Daniel Jackson (Stargate), Samantha "Sam" Carter, Janet Fraiser (Stargate)
Tags
Magic Science Fiction Crossover Wordcount: Over 10.000 Originally Posted on HPFF | harrypotterfanfiction.com Complots HPF
« Le temps est venu pour l’homme au nom d’étoile de trouver sa place dans l’univers. »Après avoir traversé le voile de l'Arche de la Mort lors de la Bataille du Département des mystères, Sirius se retrouve expédié via un vortex dans endro...
When I Said Take Me to the Moon (I Never Meant Take Me Alone)

When I Said Take Me to the Moon (I Never Meant Take Me Alone)

F/F
M/M
G
Updated
12.04.2025
Fandom
Chicago Med
Characters
Ava Bekker/Sarah Reese, Elsa Curry/Sarah Reese, James "Jimmy" Lanik/Crockett Marcel, April Sexton & Noah Sexton (Chicago Med), Ava Bekker & April Sexton, Ava Bekker, Sarah Reese, Elsa Curry, Noah Sexton (Chicago Med), April Sexton, Will Halstead, Connor Rhodes (Chicago Med),
Tags
Character Death Murder Blood and Gore Murder Mystery Post-Traumatic Stress Disorder - PTSD Aliens Pining One-Sided Attraction Anxiety Disorder Science Fiction Alternate Universe - Among Us (Video Game) Setting Implied Relationships
Eight astronauts and their captain were dispatched on the Gaffney Mission, instructed to collect data of the uninhabited planet of Bilra and return home after a thirty day research period. On day twenty nine, a massive storm damages their ship and ca...
Emerald Fallen

Emerald Fallen

F/F
F/M
M/M
G
Updated
12.04.2025
Fandom
Original Work
Characters
Tesla Holmes-Angelica, Joiner MkCenzy, Sexton MkCenzy, Clarity Sawyer, Artemis Winsley, Apollo Winsley
Tags
Science Fiction Pirates Steampunk
A story about a bunch of teenage pirates full of awkward family reunions, alternate identities, and a flying ship with a city on it. (Lame summary, sorry)
A Collection of Starfleet Records

A Collection of Starfleet Records

F/F
G
Updated
13.04.2025
Fandom
Star Trek Doctor Who Star Trek: Alternate Original Series (Movies)
Characters
Original Characters, James T. Kirk, Leonard "Bones" McCoy, Montgomery "Scotty" Scott, Pavel Chekov, Hikaru Sulu, Nyota Uhura, Original Alien Character(s), Spock (Star Trek)
Tags
Adventure Science Fiction Diary/Journal Science Fiction & Fantasy Outer Space Lesbians in Space Starship Enterprise (Star Trek) Five Year Mission Space Flight Starfleet records captain's logs
Through the salvaged logs and records of the two main vessels exploring the frontier, Starfleet slowly manages to piece together the events that took place from star date 2265.23. This being a few months after the Enterprise NCC-1701 A had finished b...