Undertalexreader Stories

(Sans × Gender-Neutral! Parent! Reader || Slow Burn) Moving from a backwater town to a city bustling with human and monsterfolk alike, some things begin to change both f...

What if Ciel didn't made a deal with one demon, but instead he made a deal with two demons? Expect this one demon is special...meet (Y/n) (L/n), a special demon who is a...

The Mc(Main character) Dies and was given a chance to live in another world, only to find out that they were no longer a human, but a skeleton, inside a crib? {Slow Upda...

A world ruled by judgement, mafias, and violence. Y/N wants nothing more than a simple life, even though she was born as the daughter of a higher class. She has a secret...

"I'm addicted to you, there's no other way to put it. I love you too much." Taking Requests!

(AU)Sanses×Reader! So many choices so little time!! Request are Open! I'm not the best writer so don't judge to much 'kay? Haha. How i write them is how i see that sans...

(Y/N) is a 17 year-old human who fell from the surface. She has been living with the Skelebros, and soon fell in love with a certain tall skeleton, but does he feel the...

Upon reaching the surface Papyrus meets (y/n) a powerful demon and prince. Sans is weary of (y/n) thinking he might be trouble. Papyrus struggling with accepting his sex...

Ha pasado ya algo de tiempo desde que los monstruos fueron liberados del subsuelo. Vives una vida tranquila junto a muchos de los amigos que hiciste en aquel tiempo y ju...

You wake up in a strange dark room when a long silver haired male in black approaches you.

"૮₍ 𖥔 ྀི𝗥𝗲𝗮𝗱𝗲𝗿.𝗜𝗻𝘀𝗲𝗿𝘁 𖥔 ₎ა **𝑹𝑨𝑪𝑰𝑵𝑮 𝑰𝑵𝑻𝑶 𝑻𝑯𝑬 𝑵𝑰𝑮𝑯𝑻 - 𝐲𝐨𝐚𝐬𝐨𝐛𝐢 **✴ ـﮩ٨ـﮩﮩ٨ـﮩ٨ـﮩﮩ٨ـﮩ٨ـ...

You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, act...

| Last Updated/Edited: 3/19/19 | | Last Chapter Posted: 2 years ago | | Reason: Work and health issues | - After decades of being sealed underground, monsters have retur...

One-shots about the superstar robot and you, the reader. There will be fluff (mostly), some steamy ones, and possibly more. I hope you enjoy reading these! #1 number in...

A series of semi-realistic scenarios including a handful of Undertale characters. In otherwords, stick around. ... Please.

You have a routine; jog, relax, and work. It may seem mundane to most, but for you it's comfortable, easy. It keeps you in your bubble. And you wouldn't change anything...

[2nd book] A Yandere Underfell Mettaton x reader story After Y/n falls down, they meet someone to help them throughout their way back home. Somehow they become very good...

Everyone craves the light. It's what keeps them going. people will do anything they can to keep their light shining, but what will they do if the light extinguish and wh...

This is just a collection of Undertale-themed one-shots that go along with the plot of my Sans x Reader fanfic, "When Two Souls Meet." It's a community project...

this is a love story between swap sans and the reader, the reader falls runs threw MT.Ebott trying to escape her twisted guardians when she is shot into a massive hole...