Tengen uzui is a female and is shinobu older sister and wears kanae hoari instead and has two butterfly hair clips. Sanemi has a crush on uzui and is frustrated but when uzui severely injured on a mission sanemi rushes to get help and realizes one day he will lose uzui with uzui won't know his feelings and with the help of the other hashira sanemi might find the courage to canfase his feelings to uzui. My Au I don't own demon slayer. I only own my oc and my brother own there. Uzui just want the best for sanemi and sanemi wants the best for uzui and they save each other. The hashira all are overprotective over each other.