Underswapgaster Stories

The fall lasted for mere seconds, and yet it felt like an eternity. The adrenaline rushing through your veins proved useless, as there was nothing you could do. You hit...

Hey guys, this is the first official book I'm making on here so bear with me. Requests are open

If you have a request, you can comment or message me! I'll do lemons and fluff, whatever you request. Gaster Gang goes to Bunnymuse! Photos not mine unless said!

- 'Hey. Would you want this hand be a culprit of arson when I am holding you, little boy?' 'Not if I drench it in gasoline first.' - [ Underswap universe, in the eyes of...

It was a pleasant night for (Y/N), that is until a portal traps her in a place with magic talking skeletons. Will she be able to leave or will she be stuck there forever...

When Stars's past was dark and confusing, someone came to help and give some clarity. After that, Stars never saw the stranger again, until he is in the void. A Fanfict...

Ok,Ok, I Know Most Other People Have Already Done This But I'm Really Into The Fandom So Imma Just Do It Anyways ;-; Also I Will Be Doing Gaster x Gaster , Gaster x Read...

I . just thought I saw so many other people are making thing like this so why not. and everyone just call me Ka rin ki shi ki ka Ari Mei ka ki to or applesauce It won'...

There's a girl who lives alone with full darkness around her. She's familyless and had PTSD. Her name was Syafiqah, who run away the girl from been killed. But one day...

what happens when Mike is sucked out of his au and thrown into another due to a malfunctioning machine?

............to think that everyone would live normally without you, knowing that everyone you once loved had forgotten that you were ever a part of their lives, and no o...