Gasterblastersans Stories

[COMPLETE/PLUS EPILOGUE] Blue has always been the happiest and the most kindest to everyone, barely ever frowns at all. However after having a werid dream about a huge...

[[UNDERTALE SPOILERS!!]] After frisk had done the pacifist run many times, something gone wrong... Flowey never showed up in the end. So frisk lived in the underground w...

Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby rais...

The barrier is finally broken, and at last all of monsterkind are free to walk on the surface. Again. Sans the Skeleton is skeptical. Why bother getting excited for some...

Mostly just pictures and some comics on Gaster Blaster Sans transforming or being a Blaster beast already. I do not own any artwork or au's shown in this book. Hope you...

Basically what it says in the description... Just some pictures of Feraltale and BB Trust Au. Also some other pictures such as Temmie, Doomfanger, and The Annoying Dog...

Status: OPEN Since I am working on a back story for Gaster Blaster Sans, I decided to open a little Ask thing. I'm also working on an X Reader: https://www.wattpad.com/s...

The barrier has been broken for a few years now. Monsters and humans have been living in peace together . . . for the most part. There are rumors about a monster who...

The monsters were released from the underground by frisk 6 months ago. you go to a school that accepts both monsters and humans. you get bullied a lot, but you never let...

UNDERTALE SPOILERS! it had been a long time since a human had fallen down. They only needed one more human so they could be free from the underground. Sans were talking...

A Snowstorm was due to pass Snowdin that day. It was just starting now. Papyrus was lucky that he was able to get home early with no knowledge of what was in store for t...

Most of you probably already saw these in my art book, but I really wanted to digitalize these, as well as write stories to go with them. :3 Highest Rankings: # 11 in go...

(UNDER REWRITING!!) this is my first x reader so please be nice you are a werewolf like your pack but you cant change into a wolf fome you have the same strength stamin...

After the barrier shattered, Sans started to display rather strange behaviors and physical changes. No one could understand why this had started to happen over the years...

Ok, so I did this book on quotev and now I'm moving it to here. There will be no author notes any of that (unless I really need to). So this is one of my first story's s...

Mew?

Have you ever wondered that out of the thousands of humans during the human and monster war that not even one sympathized with the monsters? I bet you do, for I certainl...

This is a story about pain, trust, struggle and bonding. It follows the characters of Toby Fox's game UNDERTALE. It also introduces new characters. There is a new prop...