Dusttale

Dusttale follows both charas and sans's perspective. It is recommended that you play undertale first before reading. There will be feels in this so good luck.

"Knock Knock" | A HorrorTale Short Story

Falling into the Underground where monsters have been banished to for hundreds of years, Y/N finds that the monsters have gone insane from lack of determination; something that monsters need to survive and give them hope. Unfortunately, it seems that Y/N has enough determination to sustain every monster in the Underg...

Broken Souls

Nothing ever goes my way.....Why can't I do anything right?! I just wanted to have a normal life like everyone else.....Maybe it's better that I do disappear Underfell sans x reader

Royalty {Undermafia! Sans X Reader}

A place full of hit men and death. A place where the mafia thrives. Will you be killed...or warm a Skeleton's stone cold heart.

I'll find you (spytale sans x reader)

(ok this is my own au spytale! descriptions will be told upin the information page in the first chapter) ever since the monsters have been freed from the underground, most humans weren't so happy about it. soon enough a war broke out once again, but this time everyonewas left in broken conditions. you and a xouple ot...

" I want to hate you, but I can't." ( Underfell Sans x Abused Reader

Y/n was always abused by their parents. One night, Y/n finally had enough and she ran away from home to Mt. Ebbot. While climbing, she falls into a hole and ends up in Underfell, a cruel and rough on the edges place, where they meet monsters. But one monster ends up falling in love with Y/n. Will she accepts his feeli...

Photograph Echofell Sans X Reader

What's going on? Why is this happening to me! You were an experiment and he was a failed one what will happen when you two meet in a dystopian world?

To the highest bidder

Casinotale Sans x Reader The year 201X, You weren't much of a social girl and you knew that. But your friends you did have however wanted to change that...So they brought you to Undertale casino and resort, a booming place after the Monsters were released from the Mt.Ebott. But what happens when things go south? Why...

Something No One Can Have Yandere!Papyrus X Reader

You weren't noticed much, other than your friend Chara. One day she suggested you both go to Mt.Ebott. you wanted to know if the legends were true....were they?

Lost And Found~ MafiaTale Fanfic

In the business of human trafficking, mercy isn't a well known word. You and your crate mate, a child named Frisk, are obidiently waiting to be released to a 'master' when havoc breaks out around you. Guns are fired and you're doing your best to protect Frisk when your crate is pried open by unfamiliar faces. How will...

Bloodlust

Velcome to this little tale filled with terror, bloodshed, and a certain lust for a young Victorian beauty named Ms.Hellsing.. The daughter of a famous vampire hunter, but what happens when she's kidnapped and falls in love with one of her captures? well let's find out shall we??? (This is the old vampiretale an updat...

Brokentale [Choose your own Adventure]

This was inspired by @Lilyfrost_Weirdo's book. Go check it out! ❌Brokentale, Chrome Sans, Broken Frisk/Chara, Broken Undyne all belong to me.❌ ❌Undertale belongs to Toby Fox❌

Reaching Out (UF!Sans X Reader)

It felt like everyone could see right through you. It terrified you since the very beginning. That's when you meet him. If he can see through you, you would leave the Underground forever. But you love him, don't you? This isn't what you wanted. He didn't want it either, but... You can't help Reaching out. (Slowburn: U...

Vendetta Heist (Mafia Yandere Sans X Reader)

(Collaboration with Teabottle) When a celebration for a new job goes terribly wrong. Gunshots fire and the night ends with you literally frozen with fear. One possive skeleton won't let you leave and will go to any lengths to make sure you stay. Do you truly love this twisted mafia boss?

Rescue (UnderFell!Sans X Reader Fanfiction)

It was supposed to be a search and rescue with your two closest friends. With your 'brother' Frisk missing now two days and that foster home giving less than a damn, it was up to you and your best friends to follow his one clue. But what happens when one little clue leads to a situation larger than life? Will you surv...

Bonerable (Gaster!Sans X Reader)

The barrier was lifted, the monsters were free but not accepted; hell broke loose, the wars were resumed. The monsters had no choice but to retaliate to the human's advances. Resources were scarce, the earth seemed unhabitable and the only way to survive was through violence. You lost all hope when you were forced to...

|Discontinued| StreetRat [SansxReader]

Frisk succeeded, The monsters were freed. They came up to the surface, and although the humans weren't all that acceptive of the new inhabitants, the humans didn't start another war. The monsters were glad of the fact, but some monsters still had their doubts. They wanted to be prepared for when the humans backstabbed...

{You Fell to meet me} UnderFell sans x Reader (female) fanfic

(Has Neko!reader) After being saved by a skeleton at a young age now a young 17 year old girl your curiousity had got the best of you when a small child named Frisk whose like your own child (a 10 year old) Wants to hike on Mt. Ebott, the mountain that your orphanage was letting you all visit. As the 'caretakers' watc...

Blown Through The Rift (Gaster!Sans X Reader)

You were working with Alphys in the lab in Undertale when chaos strikes! In a freak accident, concentrated determination is mixed with an unnamed concoction and blow you through a dimensional rift. When you reawake, you find yourself in what seems to be the beginning of Undertale once again. Upset but not overly surpr...

Not A Test Subject (Science Sans X Reader)

You were a human who lived on the surface with an insane father who used living beings as lab rats and guinea pigs for his research he even used you. He tried creating your mother into a powerful being but the process failed and it took her life away, from then on he became insane. You decide that you should just end...

Ungrateful (Geno!Sans x Reader)

account inactive. you can find me on @Mini_Crushies

~Why do you care~ [Underfell Sans X Reader] [•COMPLETED•]

Warning: possible swearing, inappropriate humour, perhaps lemons? Idk. Just stop being a goody two shoes and enjoy the book, kid

Ask and dare the Sanses!

This is now an Undertale/ Underswap/Underfell/whatever the fuck else, ask and dare! For people who want to talk to any Sans and ask them stuff! Whether it's fucking stupid to completely serious! Now go and have fun! The Sanses are waiting over in the next room! :) *From the other room* Sans: * I STILL NEED H...

Lost in Despair (Lonely!Sans x Mute!Reader)

Press your fingers together, zip your lips shut, and throw away the key. Once it's time to be free, go fetch that golden key and speak. Unless someone stole your golden key and threw it in the depths of the Black Sea; your nightmares and worst fears. ---- "Even if it kills me a second time." ---- The series- First...

Corruption (OLD)

You died. Again. But, when you woke up... You were back at the beginning. You didn't reset... but something was off. Flowey seemed skittish, frightened even. He was KIND. The people you knew, you once held dear... CHANGED. The entire underground was different... Dark. Nobody seemed to recognize you, but a part of them...

【Angel of Blood】Underfell!Sans X Reader

Description: Once a long time ago, the multiverses were doing what they would normally do and were getting along just fine. Suddenly, it changed. Y/N L/N fell along with their parents into the Underground. In this world, it's LOVE or love.

Forced Resets (Sans x Reader)

Your name is (Y/N), or seven as you call yourself, and you have tried all you can to stop these resets. Its not you nether is it Frisk. You don't know who it is. It is almost at the 100,000 mark and you can't help but notice some changes going on. And your not the one causing them... You may need some backup.

No Need for Understanding [Papyrus X Mettaton] (FOR SALE!)

(I've gotten out of the fandom recently, so this may not be finished. If you'd like to finish the story, ask me first!) A love story between a tall skeleton and a robotic star. Papyrus, brother to Sans the skeleton, is in love with the pink-loving robot named Mettaton. Sans, the brother, despises the fact that the fel...