The True Story of Cross

The story people have never known about Cross!Sans. In this story you find out how Cross originally became the genocidal monster he is known as now.

Undertale Dating Scenarios

Well, with the much needed motivation, I've decided to write a bunch of different boyfriend scenarios. These will also have AU versions of some characters, so each set of ideas will have two chapters. I'm not quite explaining this well, but it's a-okay for now. If you have an idea I would love to hear it, mercy knows...

Undertale Baby bones

What happen when a toddler crawls away from home with a teddy, falls to the underground with all the monsters all around it makes such an adventure.

Undertale daughter sensor

OK same thing bf wanted this so yeah she got it

Undertale Parent Scenarios - DISCONTINUED

Title explains all. Contains: Toriel, Sans, Mettaton, Alphys, Undyne, and Papyrus. Undertale belongs to Toby Fox. ***This has been discontinued***

[You're Not Alone] Underverse Cross Sans X Reader

You were a kind human who has a brother named Frisk. You and Frisk always get along until both of you climbed up a mountain. very curious if the legend was true or not. "(Y/N)!! Help!!" You looked towards where Frisk was. He fell into a hole as you jumped in to help him. Both of you landed on the ground with flowers c...

Error!Sans x Child!Skeleton!Reader

BASED ON A CHARACTER I MADE, I WILL WRITE A STORY SHIPPED WITH ERROR SOON! DRAWLING IS HARD! ----------------- You never knew that you lived in a multi verse or that your life was slowly becoming useless until somebody had to severely tell you it. You soon grew connected to Error like he was your brother, did he feel...

another universe (cross sans x reader)

I'm gonna do rear story's for ya all ok

cross x reader

so you meet my cousin cross when he tries to destroy underfell. welp have fun.

Unexpected Love: Return To The Surface | Sans x Reader

This is the second story to "Unexpected Love" so if you haven't read the first book you should probably read that first so you aren't confused. But anyways, enjoy! You wake up on the cold floor in the old lab that Alphys had found. You felt strange and the only life form that you could find in the Underground was Char...

Unexpected Love | Sans x Reader

You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip over a root in the ground and fall forward, expecting to hit the ground. Instead, you were met with open air. As you fell down the large hole, you let o...

Punmaster's crush (sans x reader)

Monsters have just taken to the surface. They settle in well, and you decide to lean a bit more. You find yourself at Mt. Ebbot, and fall through the now open 'barrier'.

Sleepless Beauty (Sans x reader)

"No time for goodbyes, he said...as he faded away, Don't put your life in someone's hands there bound to steal it away, Don't hid your mistakes cause they'll find you, Burn you then he said 'if you wanna get out alive, whoa oh run for your life", (Y/n) sang silently to herself. She stared at her ceiling listening to...

A Cry From A Hybrid (Sans x Reader)

Being a 21 year old wasn't easy, especially for you. After an attempted suicide that ended in you meeting a certain skeleton, your life got flipped upside down. And now you have... powers?! Hey! This is my first ever story haha don't kill me ;-; um, I'll have to drop a trigger warning for suicide sooo... Don't read if...

The half breed and comic skeleton (Sans X Fem!reader)

This is a rewritten story of mine, I have changed the story to a X reader as well. I am a half breed. I am half human and half monster. I believed no one would ever love me like normal people would for each other. That was until I met this one skeleton, who has his own secrets. I can only hope.

HP (W.D. Gaster x Reader)

You lost your father in the war against the monsters. If it was up to you every last being that fought against man would be sent to execution. But it wasn't your choice.... unless it was? That's when you decide to visit the underground. All you needed was one excuse to rage another war against the monsters this time...

Gaster x Reader

You had been getting these weird warning, mainly from Sans. You packed plenty of healing items and your heart locket to see what everybody is so scared of. You soon meet not only your friend, but a fun skeleton who stole your heart (not literally!!!)

Chipper Fellow (W.D. Gaster X Reader)

chip·per ˈCHipər/ adjective/informal cheerful and lively _____________________ Not everyone would've described this skeleton man as 'chipper' at first glance. But [Y/N], someone with first-hand experience on how he acts, would definitely describe him as such.

Scientist - GASTER X READER

Hi guys! So this is actually my first time writing a adventure story (and xReader), so I am kind of sorry if it looks crappy!! ****** A long time ago, people were missing when they climb up Mount Ebott. They say there was magic, got lost, or even died. But when you discover the secrets of the mountain, you will get at...

Prisoner of War (W.D. Gaster X Reader)

You are one of the few humans with magic during a war between you and the monsters. (Pre Undertale) Instead of killed you wind up captured by the monsters where you meet a scientist and doctor W.D. Gaster. Cover... I drew it myself this time

We'll meet again(Cross Sans x reader)

Ever wonder who gave Cross that locket?Let's just say,you'll find out...

A Pocket Sized Adventure {Shimeji!Undertale x Reader}

Cute, pocket sized, & mischievous characters. What could possibly go wrong? {Completed} (Don't own the pictures, unless specified. Undertale belongs to Toby Fox. May contain spoilers) [One shot book: https://www.wattpad.com/story/ 72635309] [SEQUEL: http://my.w.tt/UiNb/vlc5PAXI5x]

Death do we Part (Sans x Magic Reader)

Cover borrowed from h-reshii ( http://h-reshii.deviantart.com/ ) How about something a little different? We are in a fantasy world of monsters so why not add a little more fantasy? I always loved magic and stories with different gods and such... I had a story in my head for a while and thought i would give it a shot...

Under all (AU Sans X AU Reader)

I got to thinking once... if there are several alternate undertale universes with several different Sans and the other undertale characters, wouldn't there be several different versions of you? Why not? There have been different stories about crossover Sans, even all the different Sans together. Why not the other vers...

Just a glitch (error sans X reader)

You were waiting an adventure your whole life. Then error kidnapped you as his puppet, but what happens when your adventure novel turns into a romance?

The ERROR in our Ways (Error Sans X Reader X Underswap)

You've felt like you were being watched for a while now, and you don't know if it's your imagination, or not. Though, something happens, and you figure out that it hasn't been your imagination, only to be taken to a strange world. There, you meet two strange characters, only to find yourself falling in love with them...

my new puppet (error sans x reader)

You are a girl who gets bullied and error sans captures you and he slowly starts to like you

{Create} (Ink!Sans x Neko!Reader) (NO LONGER DISCONTINUED)

*Y/N... Y/N you are special So Please... Just trust me... Fight for your friends... (IM EDITING OLDER CHAPTERS AT THE MOMENT TO MAKE THE STORY BETTER AND HAVE SENSE-Astro (Author-Senpai)

Chief Death and Criminal Geno

An au with Death and Geno and of course Life. Chief Death is a player but he lost his friend along time ago. Will Chief Death stay sad or will he find a new person to be with.