[OC-insert] She was not a part of their world; nor did she want to be, if she had to be honest. But now she was here and her very existence was causing ripples in the storyline of an already decided plot. And with her luck? She'd probably end up exactly in the middle of all the shit. ||Contains Manga Spoilers|| ~Slow burn and detailed~ {Not edited yet} (This is a Demon Slayer/Kimetsu no Yaiba fanfic, in case anyone missed out) Started: 13th Sep 2019