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.

The New Terrans (ch. 2)

By PCLatex 22 Mar 2024

Exiled Mutant Fifty, aka Fifty, finds things have changed since his last visit to his Base. And not for the better, the Mutant Police are causing problems, and vigilantes 'hunting' unregistered Mutants stalk the streets ...

9.1 (10) 881 10 Min Comments

You have an unread message

By ADayYoureGone 22 Mar 2024

Hello, dear recipient. We are representing the GIMP organization and contacting you due to the high risk of your abduction. Please read this message to be aware of the situation and protect yourself until it's too late. Best regards, your GIMP.

9.1 (22) 4889 10 Min Comments

The New Terrans

By PCLatex 21 Mar 2024

The isolated Earth Colony of New Terra is an unusual world. The vegetation is more fungal than vegetable, the animals few and far between and the human population is mutating ... Though the population is stable increasing numbers of male births are Gay and have genitals unlike a normal man ...

9.0 (19) 1783 14 Min Comments

The Block (ch. 4)

By Adam 12 Mar 2024

Cracks began to show more clearly though, at first it was little things. Diego took me to the cafe he took me to that first day, where he’d lay me back on the table and fucked me not caring who saw. The look on the girl’s face told me that wasn’t the last time he’d done that in the cafe, and that I wasn’t the only one. She knew as well as I did that survival meant doing things we didn’t want to, making alliances to stay alive was all ...

9.9 (8) 856 11 Min Comments

New bull (ch. 3)

By Staffido 22 Feb 2024

The jock finally understood what he was born for. His only value in this life is to produce sperm and be a milking bull....

9.1 (80) 13615 11 Min Comments

Into Another World (ch. 13)

By Cloudboy91 13 Feb 2024

Jeremy is invited back to a party hosted by Trent and Nico.

9.7 (17) 3212 10 Min Comments

The Human Bearer (ch. 8)

By Daemon D. Hart 10 Feb 2024

Riordan gets kidnapped.

9.7 (18) 2144 17 Min Comments

New bull (ch. 2)

By Staffido 7 Feb 2024

The boss took one of his cum-producing bodybuilders as the main course. His body was no longer his.

9.4 (92) 13002 8 Min Comments

Secrets Among the Stars (ch. 2)

By Ottie Otter 7 Feb 2024

Jayson awakes to a klaxon alarm ringing through out the station. An evacuation order has been called, but what's happening?

9.6 (10) 322 14 Min Comments

Alien abduction

By sweetcum 5 Feb 2024

Bruce is on his way home. Suddenly he gets kidnapped by aliens and is put in a cage in the middle of the town. He is exposed to do all the embarrassing things in public.

7.9 (39) 3810 6 Min Comments

Texas Slave Auction (ch. 13)

By Slave Bear 5 Feb 2024

An exploration of what happens to one slave after the end of his service and his attempt to reenter society.

9.3 (19) 4659 21 Min Comments

Milking factory

By Staffido 3 Feb 2024

Matthew gives a tour of the milking factory where kidnapped and bound muscle men are milked.

8.9 (101) 15316 5 Min Comments

Secrets Among the Stars

By Ottie Otter 3 Feb 2024

This story follows Alexander Riggs and his boyfriend, Jayson Kramer, two soldiers in the Aggregate Earthen Forces as they take on an alien race bent on destroying humanity while trying to keep their relationship intact.

9.5 (12) 413 20 Min Comments

The Human Bearer (ch. 7)

By Daemon D. Hart 3 Feb 2024

Riordan gets Xana's egg.

9.8 (18) 2529 22 Min Comments

Fruit of the Tree

By Local 1 Feb 2024

An FBI agent investigates an abandoned farm, on federal property, of a modified plant, that is suspected of being used to grow marijuana, and possibly linked to the disappearance of several young me.

9.1 (145) 7851 11 Min Comments

New bull

By Staffido 31 Jan 2024

Scientists have discovered that the semen of bodybuilders contains a substance that can be used in many ways. The black market has found a way to extract sperm.

9.0 (112) 15611 8 Min Comments

The Block

By Adam 27 Jan 2024

Mike lived in a world where the sky was always gray and the air was thick with pollution. Society had retreated from the sprawling cities of the past, now the tens of billions of people that populated the earth were distributed among massive building blocks. Governments were corrupt, blocks were ruled by de facto militias and gangs. Life wasn’t easy.

9.4 (42) 3278 7 Min Comments

The Human Bearer (ch. 6)

By Daemon D. Hart 27 Jan 2024

Xana has a change of heart.

9.7 (17) 1308 24 Min Comments

The Human Bearer (ch. 5)

By Daemon D. Hart 20 Jan 2024

Miscommunication.

9.8 (17) 1523 18 Min Comments

The Human Bearer (ch. 4)

By Daemon D. Hart 13 Jan 2024

A visit to the shopping center almost ends up with a gangbang. Xana intervenes.

9.3 (21) 1685 23 Min Comments

The Human Bearer (ch. 3)

By Daemon D. Hart 6 Jan 2024

Riordan gets filled by his owner until he looks pregnant.

9.6 (18) 3817 24 Min Comments

Attahachee County (ch. 2)

By Double Dee 1 Jan 2024

Noa's brothers are counting on him, but will he rise to the occasion? (This chapter is a quick setting setter before we reenter Cornell properly in the next one. Check back for it tomorrow.)

8.2 (20) 2864 7 Min Comments

Texas Slave Auction (ch. 12)

By Slave Bear 29 Dec 2023

The slave's morning routine is altered as Frank has some new ideas in store for slaves L024 and C865. L024 continues to serve the sexual needs of its Lord and its Master and slave F385 begins to adapt to its new life.

9.7 (15) 3182 24 Min Comments

The Human Bearer (ch. 2)

By Daemon D. Hart 28 Dec 2023

Riordan goes to a party where his owner humiliates him and makes him cum while others watch.

9.5 (20) 3407 17 Min Comments

Cumspiracy (ch. 2)

By Mr B Queer 10 Dec 2023

Chris's boss invited him him to go see some cum hungry aliens at his house... at midnight. But is it just a ploy to get some one on one bouncy bouncy time with him?

9.1 (10) 1029 6 Min Comments

A Hero in the making

By Prenum 8 Dec 2023

A long running story which will be following Alister, a soon to be developed superhuman, in a new world of powers.

7.5 (7) 1310 14 Min Comments

Keeping Secrets (ch. 4)

By Grant 26 Nov 2023

Another comes along, one who seeks those rumored to have come before him.

9.7 (30) 1367 128 Min Comments

Alien Abduction by Beast Men

By MontanaBiGuy 25 Nov 2023

Story of a recently divorced man getting reintroduced to sex with men. And aliens!

9.2 (55) 4312 22 Min Comments

Texas Slave Auction (ch. 11)

By Slave Bear 22 Nov 2023

Louis Handleman says good bye to one breeding slave and prepares to welcome its replacement, E754.

9.4 (33) 5405 29 Min Comments

Texas Slave Auction (ch. 10)

By Slave Bear 17 Nov 2023

Slave E754 enters the Texas Slave Market where it is processed, sold, and modified for its new owner.

9.5 (29) 3881 22 Min Comments

The Hole

By WantonOne247 6 Nov 2023

Sam and Dean go to a furry convention in Vegas

9.0 (16) 5013 7 Min Comments

Alien Re-erection

By Baryon 4 Nov 2023

Three Americans taken captive aboard an alien vessel. Kyle and Jackson prove easy enough to milk for their seed. But, the aliens encounter a problem with Ben.....

7.9 (59) 7365 5 Min Comments

Texas Slave Auction (ch. 9)

By Slave Bear 21 Oct 2023

Ralph Bagwell, former friend of slave F385, begins his journey towards the Texas Slave Market.

9.0 (27) 3505 27 Min Comments

Dystopian City

By BJJL 19 Oct 2023

Two slaves are purchased to preform at an inner city club. One of them is about to get kidnapped by and young man.

7.6 (11) 1348 8 Min Comments

The Cursed Doll (ch. 6)

By PCLatex 1 Oct 2023

Aled witnesses for the first time Trefor's transformation at the full moon and must watch as his lover is used by others. Under the tutelage of Meridion he learns as much as he can about the curse and what makes it so potent.

8.8 (16) 636 10 Min Comments