Oh Damn, Prologue.

"I'm a bad bitch, you can't kill me."

You didn't know what happened but you have a goal and that is to create a harem for yourself.

Meet Y/n, she just got isekai'd into the world of Demon Slayer but it seems that they are a lot of revelations that will shook her.

(Fem! Reader x Various! Demon Slayer)

[Edited/Rewritten]