Begin Again (Sans X Older!Frisk)

COMPLETE *This story takes place after an ending in which everyone is alive but they cannot reach the surface*

Princess of the Underground (Gaster!Sans x Female Reader)

[Y/N] lived with her adoptive mother Toriel for a while. How long is that? About three years. Throughout the time, the monsters in the Ruins know her as if they were her siblings. Flowey became way nicer each day around her, losing his soulless behavior. He cares about her so much he promise to protect her. All was...

Cryophobia - (Sans x Reader)

Next person to comment on this monstrosity gets fucking vored!! × ❝You made your choice a long time ago.❞

Let Me Run

It's been two years since the barrier was shattered... All was well until humanity's opinion and voices ruined it all. The war had begun. --------------- Although one girl had always seen the world as a sickening place... A majority of humanity was indeed contaminated, but she was one of the individuals who deserved t...

❧mercy☙ ~ Frisk x Sans

One human. One skeleton. One flower. The human won't give it up. The skeleton wants more. And the flower.. The flower wants to end it. -=- Please don't go about hating on people who like the ship or fanfictions about it. It's fine that you have your opinion, just don't hate on people for what they like. ( Not directed...

(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...

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

*DISCONTINUED* Can you hear me? [Sans x Reader]

*Discontinued* This is the original version of Can You Hear Me? in it's unedited form. Monsters were back on the surface! But not everyone was happy with the change... though you aren't one of those people! Happy as a (relatively) popular singer, you were oblivious to the growing discontent. That is, until you met Met...

Undertale Oneshots

Oooooh~ I've never done a oneshot book before. Why not do one for one of my favorite games? Things will get pretty punny sometimes. Readerxcharacter and characterxcharacter! Request closed!

Sans x reader (together)

Hiya! This is going to be my first fan fiction. I have recently been obsessing over undertale, and sans is my favorite character. I have already read a lot of sans x reader and decided that's what I wanted to write. I don't know how long this story is gonna be or how often ill update, but ill see how it goes and if yo...

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