Born in a family of delinquents, Nanba Tsuyoshi is expected to succeed his older brother as the strongest delinquent in school. Unbeknownst to his family however, he decides to enroll in the top high school in town to live as a normal high schooler. He has a crush on Fujita Miyuki and joined the art club because of her. He's talented in art and English, and can speak casually with Americans (shown in the Hawaii chapters).