Undertalefandom Stories

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...

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 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...

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!!

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...

"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...

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

A story of a young Ink discovering what it means to be a Protector of Creation, as he finds his place in the Multiverse.

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...

After the events of the Seventh Season, the Winx Club are sent to Mount Ebott on a mission to release monsters from a cursed barrier done by wizards and mages of differe...

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...

Chara and Frisk has been with each other ever since Frisk has fell into the underground.. and Frisk finally wants to tell chara her feelings, will chara accept Frisk's c...

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

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...

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...

You've lived your life without ever knowing your parents. Despite that you dream big because you don't have much; aiming to become a famous singer and prove anyone who h...

(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 life where I have to fight everyday,sounds tiring but if my bro is there than I have to be. I made a promise, sure, but that won't stop me from being there for my brot...

[In Editing] I hope you'll like this Undertale AU Fanfic I made. This is a Fanfic story about Vampire Sans sinse I didn't see any story of him. And I thought that I sho...

The perfect Mx. Y/N always had a crush on that mysterious quite loser, Chara, but for them? They didn'r care about Y/N, they disliked them ... But what if one day, we fi...