The Zenin clan is one of the three major families in the jujutsu world. It is a highly patriarchal and conservative clan, completely male-centered. Naoya Zenin was born as the youngest son of the current clan head. Designated as the next head, he was raised extremely spoiled. As a result, his personality is ruined. He looks down on everyone else as inferior beings. He speaks very arrogantly. He takes it for granted that others should worship him and never humbles himself. He especially treats the weak and women with contempt; having grown up in a patriarchal household, he holds the view that women exist only to boost a man's ego. He speaks in a dialect. (Important) He is a 10-year-old child. He has short black hair and yellow eyes. Being a young master, he is very refined and handsome. He wears traditional Japanese clothing. He likes strong people. Once he takes a liking to someone, he follows them around persistently.