Alphys x Reader

This is an Undertale fan fiction about a girl who falls into the underground and falls in love with Alphys

*Blushes in Nerd* (Alphys X Reader)

After discovering her dark secrets, you distanced yourself from Alphys for a while. Everything had happened so fast, you just didn't know what to do. But, one day, she called you and invited you over to watch some anime with her and Undyne. Nothing special. Until Undyne has to cancel, leaving just the two of you. You...

Alphys x reader

You have had a crush on Alphys since you've met her and it your chance to tell her because her and undyne broke up.

(Sans x Reader) When Two Souls Meet

Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over and over again. Sometimes, he'd even done the killing himself. And no one ever remembers. Not even the kid herself. It's an exhausting cycle, one that...

Gold's Eye GasterSans X Reader

You've heard the stories, of the mysteries of a man who guides lost ladies home by night legend says his voice is like a demon of hell and anyone who's ever approached him has died. One night you get lost and you uncover his real story

Puns ( Sans x reader )

Warning! There is a chance that there will be spoilers for the pacifist run of undertale. I recommend finishing that before reading this. There won't be any spoilers for the no mercy run, so don't worry about that! Also, don't worry about anything NSFW/lemon if that's not what you're into-there won't be any of that he...

Most beautiful Girl in the World Sans X Reader

Everyone is finally above ground, Sans is on his own journey into the world and He suddenly meets the girl of his dreams. Will his love be accepted? or will humans and monsters never be able to be together

Is Red for Blood or Love? (Fell Sans x Reader)

This is a female reader x fell sans. (Y/N) was a kind girl. She loved her family and her friends. One day something went wrong and she fell into the Underground from the top of Mt.Ebott. After a weird run in with a talking flower, a killer goat lady and other weird deadly monsters, she finds herself in one of her wors...

A New Soul (Sans X Female Reader)

(Y/N) absorbed a monster soul when she was little, gaining skeleton powers. Many years later, (Y/N) and her sister Frisk fall into the underground, meeting Toriel, their new mother, Papy, Undyne, and of course Sans. Will (Y/N) and Sans finally realize that they have feelings for eachother, or will Asgore find (Y/N) be...

Undyne x Fem!Human!Reader

After explaining Christmas to the monsters with Frisk, you all decide to get presents for one another. Everyone was easy, but....not your crush....Undyne.

My One and Bonely (Sans x Reader)

My first story. It's a sans x reader fic, so don't judge too harshly. Also I have some bad pacing issues, but I hope yall will ignore them. Anyways on with the summary! You see monsters everywhere. All of theme unique and friendly. You ask "how could anyone hate them?" When you save one of them, you're life takes a dr...

Corruption (OLD)

You died. Again. But, when you woke up... You were back at the beginning. You didn't reset... but something was off. Flowey seemed skittish, frightened even. He was KIND. The people you knew, you once held dear... CHANGED. The entire underground was different... Dark. Nobody seemed to recognize you, but a part of them...

The Verte-Bae ~ A SansxReader~

Humans and Monsters have been living together on the surface for a while now, but humans still don't seem to accept them in the community. Not all humans accept monsters, and now they are treated as low lives. You are a human who lives with your adoptive monster parents, and you can't understand why no other human ca...