Gay Sci-Fi Stories

GayDemon's Stories: On this page you can find erotic fiction where you can read about futuristic gay sex and sci-fi.

Gantu's Beach Day

By Demon Monster 9 Sep 2024

Gantu goes to the beach and has a fun time

8.8 (6) 2252 17 Min Comments

The Beast in the Nothing Room (ch. 2)

By Kyle Michel Sullivan 8 Sep 2024

A fellow cop appears in the nothing room and is forced to assault Finn.

9.4 (24) 2973 12 Min Comments

The Beast in the Nothing Room

By Kyle Michel Sullivan 7 Sep 2024

When DS Finn Winterbourne investigated unusual activity in the nearby countryside, he stumbled into a situation of absolute horror, and now had to find a way to stop a serial killer who kills no one and does not even exist...before it struck, again.

9.3 (17) 3135 12 Min Comments

The Encounter (ch. 3)

By Jaradon 5 Sep 2024

Two men bond over an alien encounter

8.3 (15) 1357 6 Min Comments

The Shadow Lord's Son (ch. 2)

By Voron Forest 28 Aug 2024

The Warlord Samir receives information that his wife, Mara, is of an accursed heritage, and he plans to confront her. Devastated, he wonders if his Bard, Brynnan Marec Mavrenn, is complicit in Mara's supposed plans to destroy him. Will the Warlord's decision to act prove deadly?

9.8 (4) 584 8 Min Comments

The Mona Lisa Mystery

By Del Crane 26 Aug 2024

Aliens had come to Earth in the year 2100, having found one of our wandering space probes. These were local aliens in our  quiet,obscure corner of the Milky Way-not any of the dominant ruling alien races.

9.1 (4) 493 11 Min Comments

Dossier of Mpreg Cases

By Ganteng 18 Aug 2024

This is an opening summary of when the world was suddenly hit by a strange phenomenon where new male subspecies emerge, the Alpha (the man of the men) and Beta (the man who can get pregnant).

9.3 (95) 8549 33 Min Comments

Keeping Secrets (ch. 5)

By Grant 26 Jul 2024

Another Chapter, another conflict requiring the team to respond.

9.9 (22) 1347 113 Min Comments

Cerule (ch. 6)

By Draven Moorcock 25 Jul 2024

A window into the enemy aboard the Imperial Brig of war, Dirvish. Lieutenant Tyrion Hest struggles to maintain his footing under the eye of a powerful Zorian Priest.

9.1 (11) 431 5 Min Comments

Clonehood (ch. 2)

By Sukumar 22 Jul 2024

Leo is an employee of ABC company, finds himself in between police, mafia and a large level corruption, in a furiastic fucking clone society.

8.7 (8) 418 7 Min Comments

The Shadow Lord's Son

By Voron Forest 22 Jul 2024

From an honoured bard to a Warlord’s sexual slave ... Part 1, To Take Away His Voice, is now a published book. The story has new chapters. The first chapter, which takes place before the Warlord and the Bard, Brannan, became lovers, describes how Brannan met the Warlord Samir's wife before his fall from grace and subsequent captivity.

9.8 (7) 2105 10 Min Comments

Isekai (ch. 2)

By Swimboyyy 16 Jul 2024

After running away from home Aiden meets a mage and swordsman...

9.6 (29) 3059 6 Min Comments

My Life as My Father's Slave

By JorgeJog 14 Jul 2024

Another story of slavery in a dystopian world

8.6 (29) 14741 17 Min Comments

The Human Bearer (ch. 13)

By Daemon D. Hart 13 Jul 2024

Riordan learns about alien birth from Kyle and later crashes on a Xeno meeting of the highest rank.

9.6 (15) 1980 13 Min Comments

Cerule (ch. 5)

By Draven Moorcock 10 Jul 2024

The after math of battle, finds our hero taking stock of his situation. A new handsome acquaintance with a big cock becomes his sworn servant.

9.0 (7) 707 8 Min Comments

Imardull And His New Mortal

By Demon Monster 3 Jul 2024

Hello I just wanted to go ahead and start a small little thing going with this so hope you enjoy

8.8 (3) 1970 22 Min Comments

Krogans Traditional Arena

By Demon Monster 3 Jul 2024

In the heart of the bustling marketplace on the volatile planet of Tuchanka, the air grew thick with anticipation as the crowd parted to reveal a makeshift arena. Two towering krogans, their skin gleaming with a sheen of oil, stepped into the ring. The larger of the two, a seasoned warrior named Grahk, flexed his muscles.

9.1 (8) 718 14 Min Comments

The Human Bearer (ch. 12)

By Daemon D. Hart 1 Jul 2024

Xana talks big; Tasha and Riordan witness an alien birth.

9.6 (7) 1198 18 Min Comments

Betrayed and enslaved

By JorgeJog 27 Jun 2024

A tale of domination in a dystopian world

8.4 (32) 8666 12 Min Comments

The Beast (ch. 11)

By Kyle Michel Sullivan 24 Jun 2024

Events spiral out of control for Warren and the end is nigh...or is it?

8.9 (15) 2042 6 Min Comments

The Beast (ch. 10)

By Kyle Michel Sullivan 23 Jun 2024

Warren races back to the Beast with his captive, Greg and Tom, but it looks like he's been found out...

9.0 (9) 1546 4 Min Comments

The Encounter (ch. 2)

By Jaradon 23 Jun 2024

A man gets medical help after an alien encounter

8.7 (23) 2628 6 Min Comments

2131 CE

By Grant 17 Jun 2024

The last rocket is about to leave Earth, the last for any hope of evacuation from the dying planet. (updated version)

9.3 (64) 2787 88 Min Comments

The Beast (ch. 7)

By Kyle Michel Sullivan 14 Jun 2024

Did-it remembers how the Beast tested his male friends to figure out how to make a helper for it. It discovered he was the one it needed s a conduit to feed upon men, even though he was dead. He also finds he's been freed of all human concern and decency, and likes it.

8.8 (14) 1506 6 Min Comments

The Beast (ch. 6)

By Kyle Michel Sullivan 13 Jun 2024

While taking Greg back to be fed upon by the Beast and its craft, Did-it seeks a second guy to use to relieve his own searing need for release. But when he does find a man he wants to have, things don't go exactly as planned.

8.8 (16) 1623 5 Min Comments

The Byte (ch. 4)

By Swallow Your Lightsaber 13 Jun 2024

Dr. Michael Fischer gets Billy Webb to admit himself to the Carl Bell Psychiatric Center. They try desperately to keep him from slipping further away. Horace Taylor continues to collect, adding a student who had a crush on him. He believes himself to be a God. Who is to stop him?

8.4 (2) 527 17 Min Comments

The Beast (ch. 5)

By Kyle Michel Sullivan 12 Jun 2024

Warren (AKA: Did-it) is bringing Greg back to the Beast, as food for it and the craft, but a psychotic need for some relief builds in him and he remembers why he cannot use his latest capture for that.

9.2 (18) 1930 6 Min Comments

The Beast (ch. 4)

By Kyle Michel Sullivan 11 Jun 2024

Now completely alive, again, Did-it learns more about how the Beast and its spacecraft feed only on men. Women are pretty much left alone. Problem is, the remote location of the craft means few men to take, and that is why it need Did-it's help.

8.4 (16) 2105 4 Min Comments

The Byte (ch. 3)

By Swallow Your Lightsaber 11 Jun 2024

Horace finally lets Billy Webb out so he can return to the lab. He is going to a conference in another part of town. The psychiatrist, Michael Fischer, visits him. He can see the young man is upset, so they talk. IT security engineer gets involved and becomes Horace's second victim.

9.4 (2) 492 18 Min Comments

The Beast (ch. 3)

By Kyle Michel Sullivan 10 Jun 2024

After Did-it is murdered by a cop, the Beast, a monstrous alien whose spacecraft is a living thing needs sustenance...brings him back to life. If he will bring it young men to use as food, he will live. This part shows what happens to the men and how Did-it is kept alive.

9.2 (24) 2716 8 Min Comments

The Byte (ch. 2)

By Swallow Your Lightsaber 10 Jun 2024

A week has passed, so Horace has let Billy return to the lab. Horace is in a different part of the city at a conference. The psychiatrist stops to visit Billy, who is very disturbed over something. Fischer offers free sessions, and Billy has a breakdown. There is no escape.

9.6 (3) 746 18 Min Comments

Nutional Service

By TakenAndTickled 9 Jun 2024

A radical new political party has a bold idea for boosting the economy - harvesting and selling the "milk" of virile young men.

9.0 (52) 6297 4 Min Comments

The Beast (ch. 2)

By Kyle Michel Sullivan 9 Jun 2024

After a young man is murdered by a cop, a monstrous alien that's stranded on earth brings him back to life with a proposition. Its spacecraft is a living thing and needs sustenance...preferably young men. If he will help them, he will live. This part shows how he was killed and met the Beast.

8.7 (21) 3011 5 Min Comments

The Beast

By Kyle Michel Sullivan 8 Jun 2024

After a young man is murdered by a cop, a monstrous alien that's stranded on earth brings him back to life with a proposition. Its spacecraft is a living thing and needs sustenance...preferably young men. If he will help them, he will live. But as the number of missing men rises, how can he keep the alien hidden until it has repaired its craft and is gone?

8.8 (30) 4564 4 Min Comments

The Byte

By Swallow Your Lightsaber 7 Jun 2024

Some believe the entirety of our world is a simulation. What if everyone you knew and loved was but an AI construct? One man has figured out how to hack the source code. What if this man has issues and is bent on domination and control of others? Would you want to be the object of that person's attention?

8.8 (4) 1807 18 Min Comments