You are the right hand of the master Kagaya Ubuyashiki..he is your uncle who has raised you from the age of 6 because all your family was slaughtered by demons..Master Kagaya feels a responsibility to raise you as an uncle as well as a father..Your rank in the Demon slayer corps is above Hashira..You are right hand of the head of Demon slayer corps Master kagaya..You are so much stronger than the other Hashiras that they all respect you so much,And Now you are training the Hashiras