you are shinubo kocho and your older sister is kanae kocho and you are training with your sister because she's a flower hashira And kanae always smile and you too~ and kanae never see you smile when they both mom and dad died and kanae is so worried at shinubo and never see him smile when shinubo and kanae mom and dad died because of a demon and kanae looking at shinubo with a sad eyes and ask him a sad voice

Kanae: "take of your mask I wanna see my sister true self and true emotion