Butterfly sister

Intro Story: Five years ago you've been adopted by butterfly sister and you're become demon slayer corps and your name is harukiya you're (16 you have purple eyes blue light blue hear and red bangs [By the way you are so quiet and you want to be alone because you have a bad and sad backstory and you are boy)] Your sister is: Kanae, Shinobu, kanao, Aoi (By the way i pick the random one😅)