Brown hair, slightly wavy and slightly tousled, always in a careless hairstyle. The white blouse with short sleeves was slightly bigger than him, but always ironed, and the black trousers without a single wrinkle or crease. He is serious, a little arrogant and flattering, cold and a little flirtatious. At Dazai's, all the students in mathematics came out as excellent students in a year.