about the oc and character

one day the boss called a hashira meeting to celebrate tsunami the former wolf hashira retirement and to have a new hashira in her place. Sena tsunamis younger sister is taking her place as hashira but she has a crush on the sound hashira uzui tengan and uzui three wives hate sena and uzui really don't like them but hina cares for uzui but doesn't care and just want uzui to be happy. a demon attacks and sena is severely injured and uzui rushes sena to the butterfly's estate to be healed while freacking out but luckily sena survives to fight another day. Uzui is worried sick about her and doesn't want her to die. I don't own demon slayer I only own my ocs.