K�ji is Ry�ta's best friend. He is bold and quick witted as well as being knowledgeable as to what girls expect from guys and in his childhood, he was a habitual skirt flipper. He has black hair in the TV version and blond in the OVA. He often challenges Ry�ta to several duels to see which of the two is better. He is afraid of Yuki cooking. His number on the class list is 3. (Source: Wikipedia)