gaster

Just a bit of the Gaster AU's that has ONESHOTS and......LEMONS. Kill me now.

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...

Let's get this over with... HIGHEST RANKING: #35 in Fanfiction June, 23, 2017 ALL IMAGES USED ARE NOT MINE! Cover was made by Bunnymuse on her Tumbler (I think). Bunnym...

Yes there will be mistakes >:3

Just a bunch of comics about Undertale.I do not own this comics.

Just a Frisk x Reader. Takes place in an alternate timeline. You recently just turned 19 and Frisk is a year younger than you. Lemon Warning: This book includes lemon, s...

~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...

~o0o~ Book 3 of the "Better Times" trilogy ~o0o~ (Book one: "The Time Before") (Book two: "A Name to Remember") Two years after the Barrier...

You worked for the newspaper, doing a simple editing job and a few other jobs here and there. Ever since monsters came out of the ground, though, rent has sky-rocketed f...

Set in the HorrorTale AU. When a broken human girl finds herself trapped in a world of bloodthirsty, ravenous Monsters, will she get away with her life? Or will she be j...

'When I was 13, I killed someone. By accident of course... It was the day I found out I possessed some type of power.' You kept it to yourself for years until one...

Almost four years marking the anniversary of monster kind reaching the surface, the human ambassador Frisk goes missing. Severing the link between the two species, an al...

You want some fuck/fluff? You get it. Not the fuck/fluff you're looking for? Request it! :D Rules of requesting: Only X Reader (so no ships, or OC's, sorry!) No fetishes...

Alternate Universe Sans x Reader Oneshots! ~ ~ (Requests accepted!) Highest rankings (08/11/2018) #1 Gastersansxreader #4 Gastersans #1 Mobtale #1 Sciencetale #2 Little...

OCs c Me (unless said otherwise) Art c Respected owners (that includes myself) Gaster Void c Bunnymuse Fluff/Smut is allowed I rarely do OC x Cannon (usually it's for a...

Book 5!!! Cover: Bunnymuse Remember, NO LEMONS.

cover art belongs to Bunnymuse on deviantart/Tumblr! okay so I've decided to finally get around to writing oneshots with the Gaster gang! also I shall be adding a few of...

(Has been rated #1 in Frans two times this season, 2018 summer) It's 210x, and nearly eleven years after Sans' " ignorant " deed. Little did anyone know it wou...

Normal days. In your huge...lonely....stupid house that was given to you by your mother and father. They gave you everything. But not out of love. Just to get you out of...

Suddenly you find yourself in the Underground, with no memories and an unknown and painful past. Your first encounter is Flowey and he tells you how weird and different...