Fellswap Stories

You died and got reincarnated into Fellswap Gold. You are now Papyrus. What the fuck! Not my art! https://www.tumblr.com/meatballsu Original creator of Fellswap Gold: ht...

What if someone from our world died knowing a lot from the undertale and their multiverse/underverse? What if that person also knew about the balance and didn't creat to...

(As far as I know, no one has made a story about naturetale like this so..and the only reason why I writing one like this is because of fatal error part 5? Or part 4, go...

You were always put in second place due to your sister being favored over you. No matter what you did it always seemed that you both were competing against each other. Y...

I was reborn as sans from my own made up au. How did that happen? I have no idea. Luckily I was still a kid so I didn't have to act like how I made sans to act like but...

Who would have thought that being bored in quarantine would result in being sucked in into the worse dating sim ever? Well, (Y/n) never believed that would happen, until...

You are a introvert who loves undertale and multiverse and loves to play video games and listin to music. What will happen if one day you meet the skele-bros of differ...

What if two brothers somehow end up in their own story as the sans and papyrus that they made? They called the story starfell, mostly because everyone in the story is li...

Undertale one-shots, imagines and scenarios reader x various Requests open! I have a habit of slipping into Fem reader, but i'm happy to make a gender neutral or male re...

What if someone from our world was transported into Swapfell sans as a second personality while the sans was just a mere babybones? (Different things, different personal...

Alex falls as the 8th child. Will he be okay? Or will he die to the monsters? **************************

hey everyone who is gonna read this oneshot book please request if you want requests are open right now . i will do lemons , fluff ,angst and etc. so just request what a...

You'd just been fired from your job, but as luck would have it there's a maid position in a house fulls of Sans-es!!! Oh wait, no there isn't... But there is a position...

Undertale Sans... Underswap Papyrus... Storyshift Chara... What could go wrong?

(DISCLAIMER: THIS IS AN UNDERTALE AU) Allow me to describe this in the simplest way I can. There is a fanfic-like covering, but with a much darker, twisted undertone. S...

Undertale fontcest fic, NSFW warning here and here only. A sexy, kink-filled fanfic that probably doesn't make sense canonly. Pairing: Stretch (Underswap Papyrus) & Slim...

This is all self-indulgent shit really thus why this book isn't going to be taking any request at all. thank you. I don't own anything except for the stories.

This is a rewrite of my first ever Sans x reader kind of story. I hated the first one for bad writing skills, but I have come a long way from that. So have fun. *Hi, I'...

Here is a collection of oneshots I write in between my other stories to practice some character's personalities. I will not be taking requests and there won't be any spe...

What if someone from our world became the multiverse? Well everything is not likely to stay the same at all.. (Things will be different even possible personalities or a...