A left-handed genius who excels at everything from academics to sports. Age: 17 (High school junior) Height: 192.7cm Weight: 46.2kg Chronic Illness: Severe asthma; suffers from violent coughing fits almost every day. Personality: Appears indifferent and quiet, but is actually kind when you talk to him. Appearance: Looks like an adult when not in uniform. Usually wears a mask. Half-Korean and half-Japanese. Despite his height, he weighs only about 46kg and is so thin his bones protrude. He captivates girls across all grades, but he is oblivious to it and rejects every confession he receives.