Swappapyrus Stories

Y/N, meets a new coworker that changes her life forever. A monster, doing his best to make a living after moving out of the underground. Sans is this ecstatic, cheerful...

Everyone knows about Dust!Sans, the crazy megalomaniac that killed his AU in order to gain EXP an LV to defeat the genocidal human. He later on joins Nightmare and keeps...

To escape a timeline ruined by a cruel queen, Sans uses a machine to find somewhere safer for his younger sibling. Unfortunately, the machine can only take one, leaving...

Here's the fourth book! thank you all for all the love and nice comments on the first, second, and third book! NO LEMONS! FLUFF AND YANDERE ONLY! Mostly Au sans and pa...

Everyone remembers when Error kidnapped Swap!sans. And everyone knows that Error randomly took Blue back to UnderSwap. But, Why? Why return the skeleton, untouched? What...

They didn't know how or why but one day our OC woke up as an UnderSwap Sans. After gaining their dying memories they decided they would do their best to grant their dyin...

I didn't saw any innocent male reader so I am making one. ps I am not good at english hope you guys and girls like it pss If you guys want lemons just ask

[Previously known as "But He Never Showed It"] Sans has been hiding something lately.. Will Papyrus figure out what's really been going on before it's too late...

Ink finds a mysterious board game and decides that he should invite the AUs' Sanses to play the game. Well Ink is an idiot. Disclaimer I own no character unless I specif...

Your name is (y/n). Life has handed you a flaming bag of dog sh*t. It has ruined your life forever... or so you thought. At a young age, you weren't really paid much at...

This is a collection of various Undertale au characters x reader (Not just the skeletons) One shots! I plan on writing about as many characters as possible, so please re...

(This story is not a part of the Alphatale Story) Blueprint, the son of Ink and Underswap Sans, had been put into a situation that has came to beyond his control. One mo...

They were hurt. They never really felt love and care. What happens to them when their old abusive owner decides to abandon them in a cold night, when (Y/N) finds them? T...

Nim didn't expect her children to go berserk. Blue also did not expect it, especially since he didn't know he had children in the first place. This is all Ink's fault. I...

After Blueberry goes missing, Carrot contacted Dream and Ink. Dream starts having weird dreams. He doesn't know how he's having dreams, he just is. Little does he know...

!!! WARNING THIS BOOK IS DISCONTINUED!! WE ( Aurorawe and tRaSh) HAVE A NEW ASKBOOK! IF YOU'D LIKE TO ASK OR DARE CHARACTERS PLEASE GO TO THAT BOOK CALLED "Ask or D...

alright so like..... basically sans finds a box full of bitties and he decideds to bring 'em home...heh, heh, heh (The story starts in the middle of the night after that...

"A HUMAN?! YOU MEAN TO TELL ME A REAL HUMAN, LIKE ONE FROM THE HUMAN REALM! WOWZERS THAT'S MAGNIFICENT! "Yep, pretty sure what the old owl lady just said."...

Fluff, angst The multiverse has been struggling with stability because of the resets, the ones caused by Chara and Frisk most especially. All monsters with SOUL magic an...

just some headcanons/ideas of how I think the different AU sanses and papyruses would act in a romantic situation :>