So your a hashira named Amari and Rengoku just died and you guys grew up together and where besties and your the night hashira that has night forms and you are sad but your emotionless and your going on a mission with Nezuko tanjiro zenitsu and inosuke

Rengoku passed away and you and senjuro were sad your name is Y/N you look like Rengoku you guys are twins your dad is abusive and you do what you want