My life is mine (Bnha x reader)

I do not own Undertale, hazbin hotel and mha. This is a bnha fanfic with 2 Crossovers also I ask the Arthur who made this story that I will continue this story of theirs for them also I'll have their name inside the book but anyway I hope you guys enjoy this book also I'll be making it slightly more different from the original lines from the original book...