Mettatonex Stories

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...

[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~!

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...

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

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...

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...

***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...

I don't see enough of these..so I desided to write my own! I'm not the best but bear with me, I'll probably make this an actual story instead of a one-shot..maybe..

Monsters are on the surface. After you save Mettaton he desides to adopt you and your friend (f/n). you were abused in the past and unsure if you can trust the robot. Yo...

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.

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...

(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...

Like my Snk headcanons book. Almost none of them are serious lmao. I hope you enjoyed! I do not own Undertale; Toby Fox does. :-)

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

Sooooooo.... Yeah! :D

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...

Marx and Jevil tick off Dimentio and find themselves ducking for cover in the Hotland Laboratory. Mistakes were made and Dimentio has fused with Mettaton becoming Dimett...

When Alphys hires you to work at her lab, Mettaton hears gossip about your different sense of style and goes to see for himself.

Hey guys! Welcome to my very first story called OVERTALE. It's a story about Frisk and the gang once they reach the surface, so if you haven't played the game this story...