‘alien sex’ stories

Active tags
alien (37)science fiction (28)lesbian sex (18)sci-fi (17)mind control (17)oral sex (16)anal sex (15)tentacles (14)science fiction erotica (13)sci-fi erotica (11)anal (11)double penetration (10)alien abduction (8)cunnilingus (7)group sex (7)breeding (7)monster (7)aliens (6)outer space (6)threesome (6)bondage (6)tentacle sex (6)tentacle (6)space (6)shemale (5)cum swallowing (5)lactation (5)t'pol (5)romantic (5)masturbation (5)lactating (5)shemale on shemale (5)archer (5)hoshi (5)star trek (5)incest (5)shemale on female (4)first time (4)alien-alien sex (4)orgy (4)outer space sex (4)alien impregnation (4)reluctance (4)romance (4)non-human (4)caterpillar (4)sci-fi novella (4)impregnation (4)milf (4)nonhuman (4)monster sex (4)fellatio (4)mutation (4)anal penetration (4)sci fi (4)non-con (3)plant (3)oral (3)wings (3)claws (3)lesbian (3)transsexual (3)gang bang (3)fisting (3)creature (3)biting (3)shemales (3)space travel (3)science fiction novella (3)fur (3)non consent (3)tentacle penetration (3)cum swallow (2)mate (2)18-year-old (2)captive sex (2)orgasm denial (2)submission (2)tail (2)woman pregnancy (2)reluctant (2)plant sex (2)stripping (2)erotic science fiction (2)action (2)forced (2)erotic sci-fi (2)orgasm (2)planet (2)alien seduction (2)desirée tanner (2)action adventure (2)cum (2)tails (2)furry (2)pregnant (2)massage (2)echolocation (2)abduction (2)bath (2)fantasy (2)large cocks (2)slavery (2)mff (2)gay sex (2)spaceship (2)office (2)threesomes (2)bdsm (2)sci-fi adventure (2)arachnid (2)love (2)tanned blonde (2)harem (2)flower (2)ejaculation (2)flying (2)extraterrestrial (2)hand job (2)large penetration (2)ufo (2)prisoners (2)transformed (2)deep space (2)birth (2)egg laying (2)soap (2)water (2)tentacles sex (2)covered in cum (2)alien breeding (2)vaginal (2)doggie style (2)straight sex (2)transformation (2)shadow (2)simulated sex (1)alien egg (1)control (1)kidnapping (1)sci-fi romance (1)piercings (1)fingering (1)womb penetration (1)cheesey (1)cyberpunk (1)halloween (1)reptile (1)vine sex (1)male female (1)excessive semen (1)captive (1)interplanetary travel (1)orgies (1)futuristic sex (1)bisexual (1)imnir ark (1)nonconsent (1)anal play (1)shaving pussy (1)botanical (1)time lines (1)erotic (1)whipping (1)female officer (1)space opera (1)close encounter (1)wife (1)love triangle (1)huge cock (1)sienna (1)finger fucking (1)magic (1)lesbians (1)brainwashing (1)seduction (1)sex in roman bath (1)sword and sorcery (1)orgasms (1)erotic couplings (1)invisible lover (1)big breasts (1)romantic sex (1)outdoors (1)large penetrations (1)alternate universe (1)incestual sex (1)multiple penetration (1)caramel shortbread (1)female on female sex (1)dollification (1)brother and sister (1)jungle (1)cum shots (1)drider (1)overpowering (1)pregnant sex (1)bug sex (1)post-apocalypse (1)forced breeding (1)forced nudity (1)human compatible (1)probing (1)big butt (1)four breasts (1)wedding rehearsal (1)informal narration (1)gangbang sex (1)cardassian (1)nipple clamps (1)two women one man threesome (1)doble penetration (1)monstergirl (1)plants (1)ffm threesome (1)missionary (1)fisting bondage (1)grays (1)breast milk (1)women and tentacles (1)noncon (1)sex with non humans (1)hentai (1)anime (1)sex toys (1)f/alien/alien (1)slime girl (1)double penetrarion (1)dictator (1)fight back (1)sidney (1)cum swapping (1)human milking (1)
alien sex

A Fun Little Swim Pt. 01

Sylvia goes for a little swim...and finds the unexpected.

Sci-Fi & Fantasy 11/29/2017


An alien warlord finds a perfect subject for conquest.

Humor & Satire 10/14/2017

Close Encounters of the 7th Kind

Earth Girls are Easy.

Sci-Fi & Fantasy 10/09/2017

Julie and the Demons Pt. 03

An alien world, where the females can't bear young.

NonHuman 09/04/2017

Julie and the Demons Pt. 02

An alien world, where the females can't bear young.

NonHuman 08/07/2017

Out of the Fog

Lonely bachelor encounters tiny sexy female alien.

NonHuman 08/06/2017

Julie and the Demons Pt. 01

An alien world, where the females can't bear young.

NonHuman 08/01/2017

Interlude In The Woods

Sometimes it's good to get away from everyone. Sometimes not.

NonHuman 07/11/2017

Milk Barn Horror Pt. 04

Paranormal fantasy of life and death on an alien dairy farm.

Mind Control 07/01/2017

Milk Barn Horror Pt. 03

Paranormal fantasy of life and death on an alien dairy farm.

Mind Control 06/29/2017

Galaxy of Terra

A woman crosses the galaxy to save two worlds.

Sci-Fi & Fantasy 06/20/2017

A Song in Ebony Ch. 04

A human scientist meets Izzy. Complications arise.

Sci-Fi & Fantasy 05/22/2017

Alien Orgasm Pt. 03

Gender swapping, sex, and reproduction, the painful way.

Sci-Fi & Fantasy 04/27/2017

Abducted by the Breeder Aliens

I'm abducted by the Manu & they need me to breed with them.

Sci-Fi & Fantasy 04/14/2017

A Song in Ebony Ch. 03

Why would a god care for a mere mortal?

Sci-Fi & Fantasy 03/28/2017

A Song in Ebony Ch. 02

Izzy talks about her past, Much fooling around ensues.

Sci-Fi & Fantasy 03/24/2017

What It Takes Ch. 04

Luna comes to terms with her feelings for Rex...an alien.

NonHuman 03/20/2017

A Song in Ebony Ch. 01

Digging in ancient alien ruins always comes with risks.

Sci-Fi & Fantasy 03/18/2017

Test Subject

Creating a new breed.

Sci-Fi & Fantasy 03/07/2017

The Visitor

Mary's firm has an unusual new employee.

Sci-Fi & Fantasy 03/07/2017


A disgruntled exo-miner meets a native.

Sci-Fi & Fantasy 01/17/2017

The Colour of Love

An alien symbiont and rubber skin.

Fetish 12/20/2016


Chloe is missing. Finding her brings plenty of surprises.

NonHuman 09/12/2016

Mapping Command 04: Insurrection

The end of the troubles and a lot of suprises along the way.

Sci-Fi & Fantasy 09/09/2016

The Guests Ch. 02

The Guests begin to spread.

Sci-Fi & Fantasy 08/30/2016

The Guests

A man plays host to an alien symbiote.

Sci-Fi & Fantasy 08/24/2016

A Surprise Occurrence of Love Ch. 02

Alien abduction of the heart.

Sci-Fi & Fantasy 08/05/2016

A Surprise Occurrence of Love Ch. 01

A short story of an alien abduction of sex.

Sci-Fi & Fantasy 06/24/2016

The Visitor

Alien abduction.

Sci-Fi & Fantasy 04/24/2016

The Surrogate

Our latest surrogate is inseminated by The Mother, an alien.

Sci-Fi & Fantasy 03/12/2016


An uncovered gate leads to incredible adventures.

NonHuman 02/11/2016

The Eye

Adonis Shephard has a mutated eye strapped to his back.

Sci-Fi & Fantasy 01/27/2016

Daiya Kawa - Alien Abduction

Aliens want her hot snatch. She learns to fight back.

NonHuman 01/27/2016

Lost on a Mysterious Planet Ch. 03

Lance and Rex take their prizes from the recent battle.

Sci-Fi & Fantasy 01/07/2016


An explorer falls for a shape-changing life form.

NonHuman 12/16/2015

Reaching Out

An alien life form takes control of their bodies and minds.

Sci-Fi & Fantasy 11/14/2015

From Rehearsal to Reality

Husband and wife and sister-in law abducted by aliens.

Sci-Fi & Fantasy 11/03/2015

Demonbeast Invasion Renewed Ch. 02

The alien hybrid gets to know his new mother.

Sci-Fi & Fantasy 09/24/2015

The Diversion of Doris Ch. 05

The conclusion of the adventure.

Sci-Fi & Fantasy 05/12/2015


Being blind didn't stop her from grabbing love by the tail

NonHuman 05/04/2015


A broken wing wasn't going to stop him from finding a mate

NonHuman 05/04/2015

Familiar Feelings

Rachel's family gets busy due to mysterious reasons.

Sci-Fi & Fantasy 04/08/2015

Shaven: Mauricio's Point of View

She convinces him to do something wild. Was it too far?

Erotic Couplings 03/25/2015

The Diversion of Doris Ch. 02

Doris's first full day as a harem girl on an alien world.

Sci-Fi & Fantasy 03/11/2015


Barbara awoke drowning.

Sci-Fi & Fantasy 03/09/2015

A Change in the Air

A mistake of identity leads him into an alien affair.

NonHuman 01/17/2015

First Immortals Ch. 10

First contact, is there time to prepare?

Sci-Fi & Fantasy 01/03/2015


The blissful journey to the ultimate climax.

Sci-Fi & Fantasy 12/03/2014

Fire and Smoke

An interspecies romance.

NonHuman 05/28/2014

Xenomorph Intercourse Test 12

Tests must be performed on these alien creatures.

NonHuman 03/30/2014

The Human and The Gliesen

Two different species get intimate on a lunar colony.

NonHuman 03/26/2014


A marooned couple meet a very sexy tribe of aliens.

Sci-Fi & Fantasy 03/18/2014

Lindsay Gets a Special Gift Ch. 05

Lindsay wants a baby and learns more about Donza's past.

Sci-Fi & Fantasy 02/27/2014

Alien Love Slave Ch. 04-05

Sidney is loaned to a spider...er drider.

NonHuman 12/22/2013

Alien Love Slave Ch. 02-03

Sidney is loaned for sex & reproduction of a botanical race.

NonHuman 12/11/2013

Alien Love Slave

Sidney is abducted & inspected by the Gray Aliens.

NonHuman 11/26/2013

Intergalactic Courtesan Ch. 13

To help a police investigation, Desirée impersonates a plate.

Sci-Fi & Fantasy 10/26/2013

Lindsay Gets a Special Gift Ch. 04

Lindsay's birthday is coming up and they return to earth.

Incest/Taboo 08/02/2013

First Immortals Ch. 03

First contact, prisoners on another planet.

Sci-Fi & Fantasy 07/17/2013

Lindsay Gets a Special Gift Ch. 03

Lindsay finally arrives at Donza's home planet.

Sci-Fi & Fantasy 06/22/2013

Humanity 2.0, Year 001, Day 001B

Ben meets 15226, for the first - and last - time.

Sci-Fi & Fantasy 05/20/2013

Love at First Contact Ch. 01

An accidental abduction leads to a world beyond Earth.

Sci-Fi & Fantasy 05/20/2013

Not Alone Ch. 05

They adapt to interstellar life in their own ways.

Sci-Fi & Fantasy 05/15/2013

They Came For Your Anus Act 01

An erotic tale of alien invasion.

Sci-Fi & Fantasy 04/27/2013

Lindsay Gets a Special Gift Ch. 02

Lindsay is attracted to her mother, what will Donza think?

Sci-Fi & Fantasy 04/25/2013

Lindsay Gets a Special Gift

Lindsay meets a female alien with a surprise.

Sci-Fi & Fantasy 04/04/2013

The Fate of Terra Ch. 09

Preparations for war. Not all aliens are bad.

Sci-Fi & Fantasy 08/02/2012

In the Land of the Rokken Ch. 01

Transported to another world, paraplegic Nick finds freedom.

Sci-Fi & Fantasy 03/19/2012

An Interview with Despina Jones

The tentacle monster, in her own words.

Sci-Fi & Fantasy 03/16/2012

Galactic Whore Ch. 03

An alien ruins produces dangerous life forms.

Sci-Fi & Fantasy 02/25/2012

The Way You Make Me Feel

A space cadet fights a hidden telepath at the Academy.

Lesbian Sex 10/03/2011

The Attic

Gloria bought much more than a house.

Sci-Fi & Fantasy 09/08/2011

Alternate Reality Ch. 08

The epilogue: Waking up into the unknown

Sci-Fi & Fantasy 06/09/2011

Alien Invasion

A deep space ship is attacked and invaded.

Sci-Fi & Fantasy 02/18/2011

Amber's Enchantment Ch. 05

Some truths come to light, to then horror of some Destrans.

Sci-Fi & Fantasy 01/20/2011


Young woman chosen for breeding to save an alien race.

Sci-Fi & Fantasy 09/16/2010

Writing Sci-Fi

A brief guide for aspiring authors.

How To 07/31/2010

Beyond the Limit

Gabrielle enters a virtual world and finds the impossible.

Sci-Fi & Fantasy 03/01/2010

Lavender Pt. 06

A MILF, A Bath, and a Sweet, Smelling Alien

Sci-Fi & Fantasy 01/28/2010

Lavender Pt. 05

A MILF, A Bath, and A Sweet, Smelling Alien.

Sci-Fi & Fantasy 01/25/2010

Lavender Pt. 04

A MILF, a bath, and a sweet-smelling alien.

Sci-Fi & Fantasy 01/24/2010

Lavender Pt. 03

A MILF, a bath, and a sweet-smelling alien.

Sci-Fi & Fantasy 01/23/2010

Aliens Use Sex to Invade Humans Ch. 05-07

The space agency scrambles to prevent the alien takeover.

Sci-Fi & Fantasy 12/02/2009


But what if those stories about alien abductions are true?

NonHuman 09/21/2009

Intergalactic Courtesan Ch. 09

Desirée and Kalyani take one for science...

Sci-Fi & Fantasy 08/27/2009

Dark Planet Pt. 04

Jayn gives her all and is captured by Loyalists.

Sci-Fi & Fantasy 07/22/2009

Out of This World Experience

Some unexplainable experiences are not so much fun.

Erotic Horror 07/21/2009

Dark Planet Pt. 02

Jayn struggles to adapt to the alien planet.

Sci-Fi & Fantasy 07/20/2009

Dark Planet Pt. 01

Jayn and Perikos arrive on a planet shrouded with darkness.

Sci-Fi & Fantasy 07/18/2009

Enterprise - the Other Side Ch. 07

Incident at Delta 4.

Celebrities & Fan Fiction 07/17/2009

Amber's Enchantment Ch. 01

Political tensions grow as Amber's training continues.

Sci-Fi & Fantasy 07/13/2009

Enterprise - the Other Side Ch. 06

Session 2, the Competition Continues.

Celebrities & Fan Fiction 07/06/2009

Enterprise - the Other Side Ch. 05

Trip and Malcom take a break.

Celebrities & Fan Fiction 07/04/2009

Enterprise - the Other Side Ch. 04

The competition begins.

Celebrities & Fan Fiction 07/03/2009

Enterprise - the Other Side Ch. 03

T'Pol makes a power play.

Celebrities & Fan Fiction 06/30/2009

Enterprise - the Other Side Ch. 01

The Pursuit of Power Begins.

Celebrities & Fan Fiction 06/26/2009

Alien Desires Ch. 02

Samantha tries to solve her mystery.

Sci-Fi & Fantasy 06/22/2009

Alien Desires Ch. 01

On a far-away planet, Samantha is overcome with desire.

Sci-Fi & Fantasy 06/15/2009

Flowers of the Sapphire Moon Ch. 01

A scientific expedition takes a unique turn for adventure.

NonHuman 05/15/2009

Intergalactic Courtesan Ch. 04

Desirée gets a medical exam from a very sexy alien.

Sci-Fi & Fantasy 05/09/2009
Active tags
alien sex
Separate tags with commas. More info in the FAQ
Related Tags