Fly (Tanjiro x Kanao)

Kanao lived in a broken household until two strangers rescued her one fateful day. No matter what they do Kanao can't seem to forget the horrors that transpired in her time there. She and her new family try to defeat the 'demons', an evil corporation run by Muzan, however, Kanao meets Tanjiro, a normal boy that she just can't help falling for. (ModernAU)

Disclaimer: I do not own Kimetsu No Yaiba nor do I own the characters. This is fan fiction and is not in any way canon to the franchise.