Undertaleau Stories

Everyone craves the light. It's what keeps them going. people will do anything they can to keep their light shining, but what will they do if the light extinguish and wh...

Miscode and his friends adventures.

You're the Ink of your multiverse, and you don't even know it. Well, until you meet the Ink of another, along with Error. -NOTES- I made the cover! This obviously isn't...

Error404 is having a wonderful day in his multiverse! Error is actually keeping his criteria, Alphatale is going along well, Bill!sans is nowhere to be seen, and that DA...

Hello, this is an au where the bad sanses adopt a kid which would be you ^^ only brotherly and fatherly love ^^ please enjoy this! This book was inspired by a book I rea...

adopted story. original by @Mijunaa :3 - The afterlife of a dead human that reincarnated into a Killer!Sans variant. The facade of the new owner of the body, could he k...

A young woman, left alone after her family sadly passed in a car accident, suffers with PTSD and Anthropophobia (Fear of people.) Her only happiness in this world is the...

What if someone from our world became dream on the first day they were made and were determined to not lose their brother to corruption like the original dream did in th...

Completely female readers unless a request asks different. That's...really about it, enjoy!

What if someone is reborn as Error? What if they aren't so bad? What if they're suffering in silence and keeping their job a secret for fear of hate? How will Ink react...

{Yan! Ut! Various x Fell! Reader} [reader is Gender Neutral] [College! AU] [tw: yandere themes, obsessive and posessive mindsets. read at your own risk. i do not condone...

Small warning if you don't like the ship Gaster x grillby don't read Also no sex scenes or anything sooo yeah Also might be one of those ones that I work on when I can'...

What if..someone was transported as lust sans.. and also weren't them at the same time? (Different happening..different beginnings...etc

A 31 year old female died and reincarnated as Classic Sans. The multiverse is fighting.Will she join the fight does she know the truth?

You didn't have a bucket list or anything, but you wished you could've at least read a few more fanfics or done literally anything fun before dying. Oh well, at least yo...

💜Includes💜 ------------------- -BDSM -Threesomes/Orgys -Tentacles -Knife play -Pain kinks -Degrading/Prase -Cross's existence -Error's existence

Okay I'm only doing my Favourite ships so I won't be any taking requests. I stand my ground and would like it To stay that Way for as long as I stay on this App. ⚠️ALSO...

(On Hiatus for the time being as it's being rewritten, somewhat) A random teenager dies, and no they don't get hit by the Isekai truck unfortunately. The 'driver' could...

Y/N's been traded and sold her entire life. She's learned firsthand that if you don't obey your master, you get hurt. If you force yourself to listen, you live another d...

What if..someone from our world died and became a creator that was everywhere and nowhere at the same time? What if that someone..became dust sans friend before he joine...