Mettatonex Stories

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...

(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...

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

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...

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...

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...

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...

[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...

You love to watch the MTT channel with Papyrus towards the end of the day. He has became both of your celebrity crushes and you both promised that if one of you got to d...

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...

Sooooooo.... Yeah! :D

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.

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

***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..

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...

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

Mettaton is the sexiest robot.

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...

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...