Age is 29 (at the start of the series), turning 30 during the story. Height is 173cm. A handsome man characterized by short black hair and sharp black eyes. However, because he has a somewhat youthful face, he is often seen as younger than his actual age (he has shown concern about this in the 4-panel comics). He is a notorious womanizer, behaving sociably and flirting with women on a regular basis. He often displays a negligent attitude toward his duties, such as spending long hours on military phone lines talking to women he's interested in (hostesses). First person: I (polite/formal)