Mettatonex Stories

[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...

Mettaton thinks you look absolutely fabulous~! Come and read this book so he can give you some love darling~!

(Y/N) is an artist. An extraordinary one to say the least. She is quickly climbing her way up the ranks. And who knows, one day she may even become famous. But something...

A certain self-obsessed robot decides that he is your new best friend, and you don't particularly feel up to objecting. And your life is good, with your sister returned...

BETWEEN SASSY GOATS AND SKELETON/ROBOT RIVALRIES AND A SNAPPED PAPYRUS GOLLY GEE I WONDER WHAT CAN GO WRONG. ALSO HOLY HELL FRISK WHERE DO YOU STORE ALL THAT AIR Highest...

It's been three years since Asgore Dreemurr, king of the monsters, someone released everyone by breaking the barrier and freeing them to the surface. However, things are...

This is the first fanfic I've ever written so plz don't judge. Reader-Chan is a female BTW but guys can read too. I hope u enjoy it! ^-^ COVER IS NOT MINE

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...

***CLOSED UNTIL FURTHER NOTICE*** Cover photo drawn by FURTINIYA27. Just like my main series of stories. Only this time, they're requested by you; the readers! :D Yes, i...

Your life has changed dramatically. After falling down into the unknown, you meet a mysterious man who claims to be the king of a strange Undergound land. Your one goal...

(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...

GUESS WHO'S COMPLETE UNDERTALE TRASH??? In advance, there's gonna be some sad stuff in here. You've been warned! ENJOY YOUR FEELS

Cover photo drawn by SodiePawp. Hello there! This is nman1983 and I am a male in his 30s that writes Undertale tickle stories, something of which I have been doing since...

One day, Y/N was playing Undertale. Y/N finished the game, both genocide and pacifist. After the second pacifist ending, you wondered how life would be like IF the mons...

Umm... Hi! Im MadamOtaku and this is my first fanfic! Im really nervous about how this will turn out but I'm really excited! Sorry about any grammar and spelling errors...

I will be doing at least three undertale fan couples, starting with Mettaton and Papyrus, then Sans and Grillby, and finally Alphys and Undyne. Enjoy.

Mettaton is the sexiest robot.

Your best friend is an aspiring celebrity, who happens to hate Mettaton. But you both travel to his show to gain popularity. You loved Mettaton and his work, but you rea...

You fall down this hole in a mountain, and while traveling through this weird world, you meet a robot. This robot is no ordinary robot, and after you fall in love with h...

Sooooooo.... Yeah! :D