sexstories.com
Alien
-
For Whom The Shoggoth Rolls by Anna_Roid
«A human representative on the eldrich island of R'lyeh falls in love with a daughter of the goddess Shub-Niggurath herself.»
Rated 66.7%, Read 621 times, Posted 3 days ago
Fiction , Alien, Female/Female, Lesbian, Romance, Written by women -
Lost in Space - Book 4: The Genesis Protocol by GideonBard
«Continued from a series. In this Lost in Space episode we learn what the research facility really is and why this planet has such a power over the Robinson family. Zoe, the scheming doctor aboard the ship gets what she deserves when she tries to partner up with Robot to take over the ship...again.»
Rated 88.5%, Read 4401 times, Posted Sun 17th of May 2026
Fiction , Alien, Anal, Authoritarian, Blowjob, Dark fiction, Domination/submission, Fan fiction, Male/Female, Mind Control, Oral Sex, Reluctance -
Lost in Space - Book 2: Claimed in an Alien Facility by GideonBard
«Continued from Book 1: Lost in Space - Strands of Temptation; John and Judy enter an abandoned alien facility to find power to jump the fusion reactor on the Jupiter. In the process, John discovers his daughter's tight, young, greedy pussy is begging to be stretched open.»
Rated 87.2%, Read 11025 times, Posted Sat 11th of April 2026
Science-Fiction , Alien, Blowjob, Fan fiction, Hardcore, Interracial, Male/Female, Romance, Spanking -
Lost in Space - Book 1: Strands of Temptation by GideonBard
«The Robinson family has been on the run for 5 years, landing on a desolate planet on the verge of destruction. But the planet has a secret that unlocks the temptations that have been brewing in the crew.»
Rated 86.3%, Read 20649 times, Posted Mon 6th of April 2026
Fiction , Alien, Blowjob, Fan fiction, Male/Female, Oral Sex -
Officer Shifter at Spacer Bob’s Fantasy Tours 06 by The_Technician
«Spacer Bob concludes his tour with an Ogre Orgy.»
Rated 82.1%, Read 2316 times, Posted Wed 1st of April 2026
Fiction , Alien, BDSM, Exhibitionism, Voyeurism -
Voyages of Kes (reupload) by sandstorm3636
«Kes becomes an outlet for the crew of USS Voyager.»
Rated 62.8%, Read 6702 times, Posted Thu 26th of March 2026
Science-Fiction , Alien, Asian, Blackmail, Blowjob, Body modification, Bondage and restriction, Cheating, Coercion, Cruelty, Cum Swallowing, Dark fiction, Extreme, Fan fiction, Hardcore, Interracial, Job/Place-of-work, Male Domination, Prostitution, Reluctance, Sado-Masochism, Slavery, Threesome, Young -
Officer Shifter at Spacer Bob’s Fantasy Tours 05 by The_Technician
«Spacer Bob’s tour visits a planet that exists only in myth.»
Rated 81.3%, Read 1980 times, Posted Wed 25th of March 2026
Fiction , Alien, BDSM, Discipline, Domination/submission, Exhibitionism, Female Domination, Female/Female, Humiliation, Slavery -
Officer Shifter at Spacer Bob’s Fantasy Tours 03 by The_Technician
«Spacer Bob now moves in time as well as space.»
Rated 83.6%, Read 4593 times, Posted Wed 11th of March 2026
Fiction , Alien, Anal, BDSM, Cruelty, Domination/submission, Erotica, Exhibitionism, Female exhibitionist, Humiliation, Reluctance, Slavery -
Officer Shifter at Spacer Bob’s Fantasy Tours 01 by The_Technician
«An Ophugalian shape-shifter joins Star Patrol»
Rated 82.9%, Read 2925 times, Posted Wed 25th of February 2026
Fiction , Alien, BDSM, Erotica -
Chapter One The Winter Harvest by Mags
«After an alien entity transforms Maggie into a predatory vessel, she and her son Nathan enslave her daughter Hana. Together, they use biological infection and digital platforms to expand their bioluminescent hive.»
Rated 85.7%, Read 4587 times, Posted Mon 16th of February 2026
Fiction , Alien, Anal, Ass to mouth, Ass to pussy, Authoritarian, BDSM, Bi-sexual, Blowjob, Body modification, Bondage and restriction, Boys/Teen Female, Coercion, Consensual Sex, Cum Swallowing, Domination/submission, Group Sex, Hardcore, Interracial, Males / Female, Males / Females, Mature, Monster, Older Female / Males, Prostitution -
Cumming To His Sister's Rescue by YourMomThinksIAmCute
«Abducted from their family farm, siblings Robbie and Lena wake up collared and subjected to invasive examinations by emotionless alien harvesters.»
Rated 85.1%, Read 150942 times, Posted Sat 31st of January 2026
Fiction , Alien, Consensual Sex, Dark fiction, Erotica, Teen Male/Teen Female -
The Impregnation of Venus by doctorstrawberries
«An astronaut hoping to leave Earth behind is intercepted by aliens on her journey through space. This all male cadre has one very specific mission...»
Rated 81.8%, Read 9108 times, Posted Tue 20th of January 2026
Science-Fiction , Alien, Mind Control, Reluctance -
Alien Interspecies Breeding Program by baldurscock
«You awake in a strange room, floating illuminated by a pink light»
Rated 85.8%, Read 30006 times, Posted Sun 18th of January 2026
Science-Fiction , Alien, Consensual Sex, First Time -
Rocky Revisited - A Halloween Story by The_Technician
«A 50th anniversary Rocky Halloween Party.»
Rated 81.5%, Read 5586 times, Posted Wed 15th of October 2025
Fantasy , Alien, Anal, Blowjob, Cosplay, Erotica, Exhibitionism, Female/Female, Group Sex, Male / Females, Transgendered, Transsexual -
New drug part one (edited) by arcaine one
«Cassandra tries a new drug»
Rated 90.6%, Read 8292 times, Posted Fri 25th of July 2025
Diary , Alien, Bi-sexual, Blowjob, Consensual Sex, Drug, Interracial, Lactation -
Travels Through The Multi-Sheverse by AnalLover42069
«An anthology series about different erotic worlds about a crossdresser stripper named “Rïkkï Rÿdër” who gets her ass fucked by different girls with all kinds of girl-cocks»
Rated 50%, Read 21153 times, Posted Sun 20th of October 2024
Fantasy , Alien, Anal, Female Domination, Monster, Pegging, Transgendered, Transsexual, Transvestite -
Alien Symbiote: Part 6, Killing Rose by I am Inger
«There is an alien life form on earth that spreads by sexual contact. Infestation is fatal, but some men choose to host it for what it does to them.»
Rated 52.4%, Read 6531 times, Posted Tue 27th of August 2024
Science-Fiction , Alien, Death, Horror, Male/Female, Plumper, Snuff -
Alien Symbiote: Part 0, Background briefing. by I am Inger
«There is an alien life form on earth that spreads by sexual contact. Infestation is fatal, but some men choose to host it for what it does to them.»
Rated 84.8%, Read 13395 times, Posted Sun 25th of August 2024
Science-Fiction , Alien, Drug, Mind Control -
The Wisher by The_Technician
«A young man finds that he is able to see aliens.»
Rated 87.7%, Read 34149 times, Posted Sun 25th of August 2024
Science-Fiction , Alien, Consensual Sex, Erotica, Mind Control -
Noelle’s Tentacle Gains, Part 4 by SSAnneTagonist
«Noelle recovers from Helja's visit. Amy helps.»
Rated 93.4%, Read 14874 times, Posted Thu 16th of May 2024
Fantasy , Alien, Consensual Sex, Girls / Female, Monster -
My Alien Wormhole - 2 by denoran
«The epic impregnation project continues! A young man gets a visit from aliens. He discovers that nothing less than the future of mankind depends on his immediate action!»
Rated 88.6%, Read 71439 times, Posted Mon 22nd of April 2024
Science-Fiction , Alien, Consensual Sex, Drug, Male / Female Teens, Teen Male / Female -
My Alien Wormhole - 1 by denoran
«A young man gets a visit from aliens. He discovers that nothing less than the future of mankind depends on his immediate action!»
Rated 87.7%, Read 34809 times, Posted Mon 22nd of April 2024
Science-Fiction , Alien, Authoritarian, Blowjob, Domination/submission, Drug, Female Domination, First Time, Oral Sex, Teen, Teen Male / Female -
VIRUS SURGE: Chapter 4 and 5 by Merc098
«A tale of survival and new beginings.»
Rated 83.3%, Read 8382 times, Posted Mon 22nd of April 2024
Science-Fiction , Alien, Body modification, Bondage and restriction, Males / Females, Monster -
Rogue One - 01 by The_Technician
«Rogue One Arrives at Earth Base Two Omega»
Rated 90.7%, Read 28995 times, Posted Fri 23rd of February 2024
Science-Fiction , Alien, Cum Swallowing, Erotica, First Time, Male/Female, Virginity -
AZ Mystery - chapter 2 by Limnophile
«Ranger Pedro investigates his situation and tries to survive more challenges.»
Rated 88.9%, Read 5817 times, Posted Sat 27th of January 2024
Science-Fiction , Alien -
AZ Mystery - chapter 3 by Limnophile
«Pedro explores further and rescues a friend.»
Rated 87%, Read 7668 times, Posted Wed 7th of February 2024
Science-Fiction , Alien -
AZ Mystery - chapter 4 by Limnophile
«They fell from the sky.»
Rated 86.9%, Read 6276 times, Posted Wed 7th of February 2024
Science-Fiction , Alien -
Worlds Apart by Eccho
«Would you react accordingly after learning that aliens actually have been observing us for millenia? Prolly not.»
Rated 78.9%, Read 5580 times, Posted Mon 5th of February 2024
Fiction , Alien, Consensual Sex, Erotica, Female/Female, Lesbian, Oral Sex -
AZ Mystery - chapter 1 of 5 by Limnophile
«In this sci-fi mystery, park ranger Pedro wakes up nude in the wilderness with no idea what happened.»
Rated 88%, Read 7431 times, Posted Sun 21st of January 2024
Science-Fiction , Alien, Interracial, Romance -
Abducted by profanity89
«Sarah is abducted by aliens. She is their last remaining hope to continue their species.»
Rated 91.1%, Read 60069 times, Posted Thu 25th of January 2024
Science-Fiction , Alien, Anal, Body modification, Extreme, Hardcore -
The mind's eye 5 by pars001
«A man retired from a secret government agency, hoped that his time with them was through. Little did he know that an enemy from the past was still on earth.»
Rated 81.6%, Read 4818 times, Posted Tue 26th of December 2023
Science-Fiction , Alien, Body modification, Death, Mind Control -
Who? Part 1 by ThePharoh
«A porn story based on Doctor Who.»
Rated 79.3%, Read 4752 times, Posted Wed 13th of December 2023
Science-Fiction , Alien, Consensual Sex, Group Sex -
The mind's eye 4 by pars001
«A man retired from a secret government agency, hoped that his time with them was through. Little did he know that an enemy from the past was still on earth.»
Rated 84%, Read 6063 times, Posted Sat 7th of October 2023
Science-Fiction , Alien, Body modification, Death, Mind Control -
Mass Effect. Erotic journey. Ch.4. The Lust by Blackjackoff
«Collection of short stories is an extension of the famous Commander's journey. Each story will describe an erotic event in the life of the captain (and his crew). All the events of the stories fit seamlessly into the time periods between missions and sometimes go beyond them.»
Rated 81.1%, Read 8175 times, Posted Fri 6th of October 2023
Science-Fiction , Alien, Blowjob, Extreme -
Ahsoka Tano Dreams of a Temple by NeoMintCity
«Ahsoka faces a trial of the Force. Naked she encounters a young Sith acolyte. Their battle is sexual. Whoever cums first loses the trial. Will the Sith force the former Jedi to orgasm before he does?»
Rated 86.3%, Read 31173 times, Posted Fri 18th of August 2023
Fiction , Alien, Consensual Sex, Cum Swallowing, Fan fiction, Hardcore, Teen, Teen Male/Teen Female -
A new drug part 4 by arcaine one
«Continuation of the adventures of Cass»
Rated 80.4%, Read 13134 times, Posted Thu 20th of July 2023
Diary , Alien, Anal, Bi-sexual, Body modification, Cum Swallowing, Domination/submission, Drug, Group Sex, Mind Control -
Mina Kell 1 by L1v1ngLif3
«A young Eliksni girl just trying to help her people finds herself in a peculiar situation.»
Rated 86.5%, Read 24000 times, Posted Sun 2nd of July 2023
Fantasy , Alien, Coercion, Reluctance -
Galactic Princess Turned Sex Slave by PenName864
«The princess of a now conquered planet gets fucked by an alien creature before becoming the empress’s slave.»
Rated 84.5%, Read 21015 times, Posted Fri 16th of June 2023
Science-Fiction , Alien, Domination/submission, Exhibitionism, Female/Female -
Deal (DBZ fanfic) by Eccho
«A DBZ AU that I just thought of because I can.»
Rated 86.4%, Read 21051 times, Posted Fri 21st of April 2023
Fiction , Alien, Bi-sexual, Blowjob, Coercion, Consensual Sex, Fan fiction, Female/Female, Lesbian, Male / Female Teens, Male Domination, Reluctance, School, Threesome -
Earth: Tentacle Breeding Ground - Chapter 8 by worldender
«The group recuperates while planning their next move.»
Rated 88.7%, Read 22398 times, Posted Mon 27th of March 2023
Science-Fiction , Alien, Blowjob, Consensual Sex, Exhibitionism, Male/Female, Monster, Oral Sex -
The Petals by CarnationWriting
«Jessie gets friendly with the strange flower her ex boyfriend bought her.»
Rated 92.7%, Read 143511 times, Posted Tue 18th of October 2022
Fantasy , Alien, Anal, BDSM, Blowjob, Bondage and restriction, Drug, Monster, Written by women -
Kiss of the Dragon - A Halloween Story by The_Technician
«A young Celtic Maiden is kissed by a dragon»
Rated 85.4%, Read 11973 times, Posted Mon 10th of October 2022
Fantasy , Alien, Erotica, Female solo, First Time, Gothic, Virginity -
Noelle’s Tentacle Gains, Part 3 by SSAnneTagonist
«Noelle is visited by a master of tentacles, who decides her tentacle mastery must be demonstrated.»
Rated 92.4%, Read 42399 times, Posted Thu 15th of September 2022
Fantasy , Alien, Consensual Sex, Cum Swallowing, Girls / Female, Monster -
Noelle’s Tentacle Gains, Part 2 by SSAnneTagonist
«Noelle investigates the slippery stowaway in her body, and decides a second opinion is warranted.»
Rated 90.9%, Read 63600 times, Posted Wed 24th of August 2022
Fantasy , Alien, Consensual Sex, Girls / Female, Lesbian, Monster -
Down at The Creek by Tito304
«I found something very interesting down at the creek a few years ago, and it made for a fun year!»
Rated 87.6%, Read 46896 times, Posted Tue 9th of August 2022
Diary , Alien, Body modification, Female solo, Masturbation, Teen, Written by women -
Noelle’s Tentacle Gains, Part 1 by SSAnneTagonist
«Internet addict Noelle orders a delivery of something slimy, slippery, and sensual.»
Rated 90.9%, Read 110700 times, Posted Sun 7th of August 2022
Fantasy , Alien, Consensual Sex, Girls / Female, Monster -
A new drug 3 by arcaine one
«More of Cassandra and her travels»
Rated 87.1%, Read 11445 times, Posted Mon 2nd of May 2022
Diary , Alien, BDSM, Body modification -
Bad Seed Ch. 6 by pars001
«A master thief and her problems with a bad job.»
Rated 83%, Read 6774 times, Posted Tue 5th of April 2022
Science-Fiction , Alien, Body modification, Mind Control -
The Yoni Flower (Plants of Pleasure Chapters 1-2) by bl_overman
«An ecosexual botanist named Allie Hannigan discovers a phallic flower in Olympic National Park. The sweet fragrance makes her horny out of her mind. Not only does it ooze sap when she jerks and sucks it, but it creams white sludge after she loves on it long enough.»
Rated 93.6%, Read 48573 times, Posted Fri 25th of February 2022
Science-Fiction , Alien, Body modification, Erotica, Extreme, Female solo, Horror -
Experimentation Goes Right by ScarletSyn
«Aliens kidnap people from earth to study their reproduction cycles.»
Rated 92.1%, Read 32070 times, Posted Fri 31st of December 2021
Science-Fiction , Alien, Consensual Sex, Masturbation, Pregnant, Voyeurism -
Bad Seed Ch.5 by pars001
«A master thief and her problems with a bad job.»
Rated 90.6%, Read 6516 times, Posted Sun 28th of November 2021
Science-Fiction , Alien, Body modification, Mind Control -
Lost Empire 81 by pars001
«A man with a past, not tied to anyone makes a startling discovery that changes his life and his perceptions of it.»
Rated 95%, Read 13005 times, Posted Wed 24th of November 2021
Science-Fiction , Alien, Non-Erotic -
New drug by arcaine one
«Cassandra tries a new mind altering drug»
Rated 94.9%, Read 96393 times, Posted Sun 10th of October 2021
Diary , Alien, Bi-sexual, Drug, Group Sex, Lactation -
Lost Empire 80 by pars001
«A man with a past, not tied to anyone makes a startling discovery that changes his life and his perceptions of it.»
Rated 95.2%, Read 21069 times, Posted Sat 28th of August 2021
Science-Fiction , Alien, Non-Erotic -
Lost Empire 79 by pars001
«A man with a past, not tied to anyone makes a startling discovery that changes his life and his perceptions of it.»
Rated 95.5%, Read 17253 times, Posted Thu 29th of July 2021
Science-Fiction , Alien, Non-Erotic -
An Alien Encounter by fishido
«Aliens are among us. They live hidden from us, with a sexual appetite far greater than we ever knew»
Rated 89.2%, Read 19080 times, Posted Sat 10th of July 2021
Science-Fiction , Alien, Anal, Blowjob, Erotica, Male/Female, Mind Control, Romance -
Earth: Tentacle Breeding Ground - Chapter 4 by worldender
«The group starts to recover and Sarah makes a bold move.»
Rated 94%, Read 52989 times, Posted Fri 18th of June 2021
Science-Fiction , Alien, Blowjob, Bondage and restriction, Consensual Sex, Horror, Male/Female, Mind Control, Monster, Oral Sex, Romance -
Amazonian Womb Worms (Womb Feeders Chapter 1-3) by bl_overman
«After failing to discover a new species during her expedition, Lena encounters an exotic giant worm . Little does Lena know, she won't be leaving that jungle empty-handed, because she'll be heading home with the creature of nightmares living within her womb...»
Rated 94.8%, Read 104259 times, Posted Tue 29th of June 2021
Science-Fiction , Alien, Body modification, Erotica, Extreme, Masturbation -
Earth: Tentacle Breeding Ground - Chapter 3 by worldender
«The group sends a drone deep into the tentacle hive.»
Rated 93%, Read 71532 times, Posted Fri 18th of June 2021
Science-Fiction , Alien, Anal, Bi-sexual, Blowjob, Body modification, Bondage and restriction, Coercion, Drug, Group Sex, Horror, Lactation, Mind Control, Monster, Pregnant, Reluctance, Slavery -
Earth: Tentacle Breeding Ground - Ch. 1 by worldender
«Tentacle aliens begin turning Earth into their new nest.»
Rated 93.9%, Read 162360 times, Posted Tue 22nd of June 2021
Science-Fiction , Alien, Anal, Bi-sexual, Blowjob, Body modification, Bondage and restriction, Coercion, Cum Swallowing, Horror, Males / Females, Mind Control, Monster, Reluctance, Slavery -
Jena and Lisi Ch. 4 by Jenny Lane
«Jena, Lisi and Trix have to make an emergency landing on the legendary planet of Zeltros»
Rated 72.4%, Read 8949 times, Posted Mon 14th of June 2021
Science-Fiction , Alien, Cum Swallowing, Fan fiction, Group Sex, Transsexual -
Aeris and Her Alien Womb; Intro by katie shields
«Young blue-skinned alien girl Aeris volunteers for scientific experimentation. She didnt know that all of the experiments would go deep into her alien vagina.»
Rated 68.9%, Read 17373 times, Posted Wed 9th of June 2021
Science-Fiction , Alien, Body modification, Female / Girl, Pregnant, Reluctance -
A pleasure monster. by Story Teller 101
«A strange being satisfies a randy woman.»
Rated 92.3%, Read 65121 times, Posted Mon 10th of May 2021
Fantasy , Alien, Anal, Masturbation, Oral Sex -
Hedonasia Ep 4 by Cauliflower_face
«We meet the slave, and find out a little bit about her.»
Rated 76.7%, Read 10542 times, Posted Thu 6th of May 2021
Fantasy , Alien, BDSM, Blowjob, Body modification, Bondage and restriction, Cum Swallowing, Domination/submission, Erotica, Male/Teen Female, Monster, Slavery, Stockholm Syndrome, Teen -
Sam 28 by pars001
«A man is taken then returned. He's not the same or is he? Now with a lot of questions he leaves earth to search for the only other one like himself, so far.»
Rated 93.8%, Read 14058 times, Posted Wed 21st of April 2021
Science-Fiction , Alien, Death, Non-Erotic -
Ravaging In The Forest (re-edit ) by Ja22
«Young women discovers a new lust walking in the forest.»
Rated 84.9%, Read 20922 times, Posted Wed 31st of March 2021
Fantasy , Alien, Anal, Erotica, Extreme, Female / Girl, Female Domination, Hardcore, Monster, Oral Sex, Teen -
Egg Ch. 8 by DesTodes777
«Jacob's adventure continues»
Rated 92.3%, Read 33456 times, Posted Mon 15th of February 2021
Fiction , Alien, Horror -
Not Of This World by AnalLover42069
«I GET ABDUCTED AND GET MY ASS FUCKED BY AN ALIEN WITH TENTACLES»
Rated 56.1%, Read 19488 times, Posted Tue 2nd of February 2021
Science-Fiction , Alien, Anal -
Pseudopod by KSweetums
«The way to a woman's heart is through her stomach.»
Rated 88.5%, Read 15294 times, Posted Fri 6th of November 2020
Science-Fiction , Alien, Consensual Sex, Erotica, Extreme, Hardcore, Horror, Pregnant, Romance -
Futa Daughter's Naughty Temptation 11: Futa Cutie Enjoys the Reverend's Wife by mypenname3000
«The naughty futa-daughter makes her move on the reverend's wife!»
Rated 91.5%, Read 17325 times, Posted Wed 14th of October 2020
Fiction , Alien, Blowjob, Bondage and restriction, Cheating, Cuckold, Domination/submission, Female/Female, Transgendered, Wife