Underfell Stories

A picture perfect family hides the fact that your life is filled with manipulation and abuse. When you move away after high school, you encounter more than one skeleton...

Y/n was half human and half bird. She had a dark tone of s/c due to her 'disease'. Raven wings was a part of this 'disease', along with interesting eye colors. This caus...

(I want to point out RIGHT HERE that this is NOT a Reader-Insert. I'm just to preoccupied to fix the description here, and don't want to rewrite the official first chapt...

• discontinued • One day an abused skeleton appears out of nowhere. He looked like he needed help... He looked like he needed...love...caring.... The tall skeleton notic...

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...

Moved from AO3 because of reasons! "You are the only maid (or worker in general) that serves for the Skeletal Household. It's a skele-ton of work, but you manage by...

A young human runs out of the ruins desperate to get to safety. She runs into the Skeleton brothers Sans and Papyrus. Before she can know what's happening her world is c...

Okay so I did wheel decider to help me with y/n love Interest for this book. So I did One Love Interest, Two Love Interest, or All Au sans. And the wheel has chosen All...

[Disclaimer that this book is very old nd poorly written, please keep that in mind!] You were shy. You were small. You were picked on. You were told you weren't tall eno...

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...

(DISCONTINUED) It was your normal, average day. You were staying at a friend's place while she was away on some adventure in Europe. Next thing you know, some uninvited...

How would your life be as Sans and Papyrus's sister in Underfell?

(m / n) (L / n) is a 19 year old boy and he is frisk's cousin, (m / n) always looks after frisk like his own sibling because since childhood frisk has always been treate...

Somehow...I've become a sans...and not just any sans.. I'm classic!? What the flip is going on!? Wait why are different sans and papyrus's showing up at my home? I didn'...

**PLEASE NOTE** -Cover art does not belong to me, I will only take credit for the stories, I do not take credit for characters. -I will not do any lemons -This is my fi...

What if someone died and became the tree of feelings from dreamtale? Well things won't stay the same, that's for sure. (Different everything etc, different personalities...

A girl who has never seen the world outside of the lab sees it for the first time only to fall down into the underground. What will she find down there?

Sans and Papyrus were your best friends until randomly they just cut off all contact with you. This went for everyone else in your life so it didn't really hurt that muc...

This is the rewrite, the old book is still out for readers to read for reasons I do not know of.

You were a kind human who has a brother named Frisk. You and Frisk always get along until both of you climbed up a mountain. very curious if the legend was true or not...