A Thin Line...

Reads 87
Votes 0
Parts 10
Time 1h 13m

Reads 87
Votes 0
Parts 10
Time 1h 13m

Mature

chara dadster gaster papyrus sans toriel undertale

Quite often, we find ourselves walking a line. That thin line between what's right and what's wrong. The line between sanity and chaos. Sometimes we slip. And the world pays for it after...All Rights Reserved

chara dadster gaster papyrus sans toriel undertale

Table of contents

10 parts

Content Guidelines

You may also like

A second chance (A Human!SansxReader fic) by TheRealMissMisery

It had been two years since your friends died in an awful accident, and when you finally think you're coming to terms with it, you get world shaking news. The fire wasn't an accident. Now you and your friends must outsmart a murderer to free your friends, and if that wasn't making high school hard enough-- The monsters you had been forced to kill years ago have escaped the UNDERGROUND.

This is a story before the last human fell around the time Chara was still alive and well. Humans were not being hunted till the adopted prince's passing, however with a new time line comes a new story and this one is not like the others. W.D gaster a father of two children is called on an unusual discovery, the product of something unknown by monsters or man. The smallest addition to his new life and others around them. With no one but the Gaster family and the protection of the Royal Family, She will learn much about herself and the people around her.

Darkness' Eternal Bride (Gaster x Reader) by xsfolia

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 into a life of romance, science, disappearance and misunderstanding. ________________ "When you get better, I'd like to kiss you" ... Gaster only wanted to conduct an experiment. He surely didn't want his life to be taken over by weird feelings. He also wanted the only thing he couldn't really have. He wanted you. What will he obtain? Will his research finally be completed? Or will he have to start another one? As for you, will you be able to move on from the past? Words count: 81.390 Also contains mentions of nsfw [Rankings: #1 in #gaster (08/21/2022), #5 in #xreader (08/21/2022)]

a light in the darkness (an undertale ff) by yes_rywn_reads

If you only care about one person, How broken will you be when they leave? How lost would you be without your light in the darkness? How far would you go to see them again; To chase the only light in your dark life?

Reader insert. What if W.D Gaster didn't just get split between time and space, but actually ended up in your world in an abandoned hospital you called home? Your were a young child he decided to use as experiments to test human determination in said world and breaks physical laws to test human possibility? He knows of the powers you gained from his experiments... all but one, this one allows you to tear realities just enough to teleport into them. Knowing of Undertale you felt bad for the monsters stuck below in their world and wish to help them, but something goes wrong and you end up going to certain AUs and helping them, gaining the attention of some bad skeletons who now desire your power for them-selfish-selfs.

Gaster couldn't help but think of the good times knowing that soon those memories would perish in this war along with many other monsters and humans. Gaster and Grillby had to lead their army to a victory, to defy humans even if their last breaths were spitting on the humans shoes, "Now isn't the time to sit and lick our wounds, monster kind depends on us and if you think siting here and sulking is going to help win the war I have to disagree with you." -Gaster. Warnings: Detailed gore Language #1 in humanandmonsterwar #4 in wartime #3 in Shanta

Across the Timelines [an Undertale Fanfiction] by missdisappear01

(ORIGINAL Version. Not revised) No one ever expected for the timelines to cross, that is, until there were two of them. The lovable and friendly Frisk, and the evil killer, Chara. With an experiment gone wrong, and a strong connection between the two boys, can Frisk and his friends change Chara's view of monsters?

"Do you even know what it's like to be broken down every single day? Well, I do. And I've been through it. There's only one word to describe what it feels like: Hell. In the beginning, everything seems fine, you feel like you can get through easily, as if nothing's wrong. Then when you least expect it, things go downwards. Everything falls apart." - Sans

I never meant to fall in love. I never meant to have children. I never meant to become involved in a war. I never meant to lose people I love. I never meant to let us be thrown down here. I never meant to become the royal scientist. I never meant to do lots of things in life. But I always meant to live.

FNAF and Undertale Crossover: Nightmares Within by Purpleix

Endless nightmares everyday. They never stop, they keep on coming. 6 hours of closing doors and running. You just wish it could end. You just wish you could end it all. (Pictures aren't mine and belong to their respective owners.) Book 1/3

A second chance (A Human!SansxReader fic)

It had been two years since your friends died in an awful accident, and when you finally think you're coming to terms with it, you get world shaking news. The fire wasn't an accident. Now you and your friends must outsmart a murderer to free your friends, and if that wasn't making high school hard enough-- The monsters you had been forced to kill years ago have escaped the UNDERGROUND.

More details