Wdgaster Stories

The barrier has been broken. Not due to SOULs, but due to a successful experiment by Doctor Gaster. Now, monsters must assimilate into the human world, where, apparently...

I have an Idea for an Undertale AU. And apparently, it's a good idea? So here, have a book. --- Long ago, two races ruled the earth. But when a plague of corruption swep...

WARNING: THIS CONTAINS HIGHLY MATURE CONTENT (BLOOD, VIOLENCE) READ AT YOUR OWN RISK Money can change a lot of things. It can even change your destiny. Plunge yourself i...

~o0o~ Book 1 of the "Better Times" trilogy ~o0o~ (Book two: "A Name to Remember") (Book three: "No One is Happy with This") There was a tim...

This Story is taking place after the phase 3 event of Sans, finally losing against the human. Sans wakes up in a mansion and meeting with a blonde yellow with ponytail h...

Everyone thought all the monsters were sealed Underground, but upon making it to the Surface, a couple monsters nobody has ever seen before starts to make an appearance.

You are the elder brother of Frisk. I'll explain later. This book will not be updated for a while, sorry. Completed: December 2nd, 2020 SC Book# 12

It all started when W. D. Gaster became the Royal Scientist of the Underground. Many monsters knew him, some even followed him. But one day, he injected himself with DET...

A young child fell into the Underground once again Back to the bed of flowers, where it all began What will they say? What will they do? "heh...yer not Frisk...are...

(Undertale/Deltarune belongs to Toby Fox! Any Undertale Yellow characters belong to Master Sword (they might be kinda ooc, though)! Cover art by Tracie Kiernan! This is...

The randomness of Undertale shines through another one of my books, hallejuuah!

One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still...

A world of Humans and Monsters stuck in a time loop getting murdered over and over. Finally break free when a young hero stops a young child from jumping by jumping afte...

A long KingDings fic because this ship does not get the attention I think it deserves. I love this ship, and it's adorable. I plan on making this a full story, so buckle...

~o0o~ Book 2 of the "Better Times" trilogy ~o0o~ (Book one: "The Time Before") (Book three: "No One is Happy with This") Ah. Hello there. Y...

"What's that look for? Are you perhaps unhappy to see me?" "Oh no. Oh no, quite the contrary, my love. I've craved to be with you for the longest time&quo...

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...

" what am i supposed to do? " | Underfell AU | ©︎ 2018

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!

Jessica understood that Gaster wasn't too fond of her. No matter how hard she tried, her efforts to make him feel better always backfired. But she was sure he'd change h...