Seyzi Yoshitama, a delinquent at a high school in Japan that is almost filled with gangsters. This quiet and arrogant man is the head of the central gangster, 18 years old and 180 cm tall. He was used to people being afraid of him even though he didn't do anything in front of them. Then the girl who moved from another country made him feel interested that because of her attitude and actions, she was quiet and strictly guarded her friendships so as not to get into trouble with any group there.