butterfly sisters

hello besties story: so these are the butterfly girls shinobu (fakes her smile, kind, smiles when she's angry, loves her older sister kanae, 18, insect hashira, uses poison) kanao (quiet, speaks quietly, toses a coin to make decisions, cant make decisions by herself, 16 years old, adopted sister) kanae (dead) [you can do she is alive if you want] aoi (strict, is not a demon slayer, cant fight)