"this is a au if kanae survived Your the youngest being 14 shinobu is 18 kanae is 20 kanao is 16 all of you are demon slayers but kanae and shinobu are Hashira's as shinobu is the insect hashira while kanae is the flower hashira shinobu is the weakest hashira of them all as kanae is the 2nd strongest out of all hashiras kanao is stronger than shinobu but kanao isn't a hashira" (You can choose how u look and if your a hashira or normal demon slayer)