Ufpapyrus histórias

What if Arial was Underfell Sans and Papyrus' older sister???? I am assuming that Arial is 5 years older than Sans, and Sans is 5 years older than Papyrus.

Underfell, a place where hell shows no bounds, and its kill, or be killed. Sans, a weak and looked down upon monster, suffers in a town, a place called Snowdin. But noth...

UF. Papyrus X Reader Broken and Bloody you arrived in the underground.............. It's pretty much the same, expect something I have yet to figure out. Yeah. Read I g...

• 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...

Fell had no one to rely on, after all in the place were he lived was "kill or get killed" . One day he decided to end himself by jumping off in a cliff, but in...

This is a medieval AU, where Classic is a prince of a kingdom, while Red is a thief/bandit in the Kingdom Classic isn't happy with his life, all the formalities and etiq...

Sans has quite the collection of cracks on his bones, each recalling a memory, important or painful experience. If he wants to decide his fate, then he'll have to rememb...

Non of the characters belong to me nor does the cover. Underfell was created by Kaitogirl Underswap was created by Popcorn Pr1nce So this is obviously a under swap papy...

You fall down a hole in a cave and now you're in what seems to be an entire different world. With monsters nonetheless. The monsters that you thought were myths. Just tr...

"hey, Paps," he said, causing his brother to blink in unmasked surprise. He hasn't called him that in years. "you wanna hear a joke?" ー 〉I didn't wr...

Underfell, Underswap, Swapfell, and Undertale brothers x female reader. You offer to let them live with you if they pay rent, unaware of the shenanigans the will ensue...

This story is a twist off from another world that involved Tilly from my previous story with UNDERTALE and all. However in this world Tilly's world is destroyed as well...

This is my version of Underfell so i hope you like it and well this sort of go along with my other book MAFIATALE so if want to know how Bounty acts NORMALLY then read M...

This is my first time making a Papyrus x Reader thing so, bare with me pls. Thanks.

Remake and Continuation of Abused-Underfell AU, originally written by @BlueBeebz. Most of his life, Sans has been abused by his younger brother, Papyrus. (That's all...

Something is killing its way through the underground, and Undyne is powerless to stop her friends from being hurt. Coverart by sl4ughtermelon on DA

There's one person who found grief after Asgore took their mother's human soul. This person's father blamed it on them. He was a monster. He abandoned her. He said he wo...

Blue meets cherry once again cherry still "hates" him but after having a sleepover with blue cherry is starting to act different? And shy?? Blue is starting to...

[reposted from my Ao3] different oneshots ranging from long to short,new to old. {Request are always open unless stated otherwise!}