ao3.life

Gaster/Readerfan fiction

Relationship · 747 works

8 works about Gaster/Reader are open to everyone here; 88% are complete. The average one runs about 7,500 words. Read any of them in your browser, save it as an EPUB, or listen to it.

Some results are potentially explicit

Undertale (Video Game)

Inkspots

by Cuddlebearable

One after another, you find yourself situated with a bunch of small, cute and severely intelligent blobs. What has your life come to?

General 2.1k words 1 ch Complete 674 kudos

Bitty au · There's a Gaster · Here's a Gaster · Gaster's everywhere· +5 more

Undertale (Video Game)

Turtlenecks

by Specks_of_Love

If he didn't want his clothing to become your entertainment for the day he shouldn't have left it at your place.

Teen 293 words 1 ch Complete 368 kudos

Fluff · One-Shot · Short · Big Clothes· +2 more

Undertale (Video Game)

Gaster Drabbles

by Sephypsycologist

Undertale, Underfell, and Underswap are very different, and their Gasters all experience love differently

Teen 608 words 1 ch Complete 109 kudos

just some very cute suggestive drabbles

Undertale (Video Game)

oh boy, this sure is a minor setback from achieving my goal of clinical immortality

by i_believe_in_well_written_mary_sues

It's your duty as best man and maid of honor to do the busywork so your friends can focus on their wedding instead of research. You absolutely do not expect to wake up strapped down to a cot.You're never helping out a physicist ever again.

Teen 23k words 6 / ? ch In progress 171 kudos

Female Reader · Gaster is an asshole · Genre Savvy · Healthy Relationships· +28 more

Mafiatale - Fandom+1

Tuesdays are for us

by Witchcraftandwine

Quiet days of comfort in a cafe with you

Teen 3k words 1 ch Complete 164 kudos

Gaster - Freeform · Pining · absurdmageart · absurdmagewrites· +3 more

Undertale (Video Game)

There was a third loss

by Haxorus

The life of the "forth one" before the game began.

Teen 2.5k words 1 ch Complete 76 kudos

This is told with Gaster's entries · Gaster P.O.V · Reader is Player · Dadster· +9 more