Introduction

Y/n Is a member of an organization called fate changer, They are people who accept missions about changing the destiny of your favorite characters.
They are summoned by the people that couldn't accept the fact that their favorite anime characters died.
Y/n was summoned by the named Elena who wants them to change the whole fate of the characters in the Demon Slayer, It was an
S-class mission

Will Y/n accept or not...

The video or pictures that I used in this fanfic wasn't mine
credits to the creators

Inspired by Cheating Men Must Die
I recommend checking this it's a good manwha