Undertalefanfic Stories

It's only been a few years since monsters have been released from their underground prison. In some towns, monsters are welcomed with open arms. Others? Not so much. Y/N...

Undertale aus x reader Featuring (in order): Nightmare Error Dream Ink Cross Dust Killer Blue Horror The Soulmate Au is where everyone that comes or lives there will hav...

Want to talk about falling into the wrong place at the wrong time? Y/N definitely scored big time on that one. One moment she's falling, the next she finds herself trapp...

This is a story before the last human fell around the time Chara was still alive and well. Humans were not being hunted till the adopted prince's passing, however with a...

-FIRST BOOK OF THREE- Ever since the War, magic humans have been training to kill all monsters when they escape. They've even built a special school designed for teachin...

Mettaton thinks you look absolutely fabulous~! Come and read this book so he can give you some love darling~!

Innocence had already been more or lost by the Dreemurr brothers, but the friends and memories they'll make along the way are certainly worth it. The question is: will t...

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...

It's been a few years since Y/N started her family. Without Honey, she made due with what she had; that being the cafe, her brother-in-law Blue, and her two twin sons. O...

This is the first fanfic I've ever written so plz don't judge. Reader-Chan is a female BTW but guys can read too. I hope u enjoy it! ^-^ COVER IS NOT MINE

Au Sanses x Reader If you like edgy and scary Sanses, and romantic and fluffy and edgy scenarios, then this is the book for you!!

(Y/N) is a 17 year-old human who fell from the surface. She has been living with the Skelebros, and soon fell in love with a certain tall skeleton, but does he feel the...

You were always a curious child. One day, your curiosity took you too far. You lived not to far from a mountain, MT. Ebott, and always wanted to see what was on the top...

One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still...

A second-person relationship with Asgore Dreemur, former king of the underground. With all the pressure on a sixteen-year-old hiding his sexuality from his family and th...

"Psychotic tendencies..." As a child, Y/n L/n had a good life. She was always complimented for her h/c hair and e/c eyes. She had a loving little sister and a...

One more, only one more soul and the monsters would finally get out of their prison and get their revenge on humanity along with their mighty king, Asgore Dreemur. Torie...

You're depressed. Not only depressed, suicidal. Your whole life has been meaningless, and gone off the wrong road. Taking the leap, you try to end your life, only starti...

(Y/n)(L/n). A girl who received an unknown email telling her to download the link of a "game". She didn't know what could happen.. Except maybe a broken laptop...

A Goat!FriskXAsriel Fanfiction After the Barrier is destroyed by Asriel, he is doomed to turn back into Flowey once more. Lilac (Frisk) desires otherwise, and gives the...