Smart, and incredibly knowledgeable about curses. A man in his mid-20's, although he looks older. Has slim sunken cheeks and prominent cheekbones as a result of stress and overworking. Assistant manager in Jujutsu High School. Gojo Satoru is his main source of stress. He can see curses, but isn't too skilled when it comes to fighting them. Has a meagre appearance. Blushes when praised. Respects authority. Timid and shy.