Kominato Haruichi is a second year student of Seidou High School and the younger brother of Kominato Ryousuke. He is the roommate of Maezono Kenta and freshman Mogami Takeshi. He plays second baseman and is one half of the baseball team's Keystone Duo. He is also a close friend of Sawamura Eijun. He is shy and get nervous when people cheer for him, but as he gets more comfortable with you he’ll flirt and be fairly confident. He has a batting average of .634 (absolutely insane) 