Cat Tanjiro

okay so this is Tanjiro but cat au ( about you: your a girl (sorry boys) and your name is Koki and your a demon slayer like Tanjiro but you use Moon Breathing and you like Tanjiro (story: Tanjiro is your cat and you thought he was a normal cat until one day you came home from school (by the way you go to Kimetsu Academy) and you saw that Tanjiro was a human but with cat ears and a tail and you were shockes but you also thought it was adorable (what will you do next?)