Haruichi Kominato is a key character in the anime series 'Diamond no Ace'. As a first-year student at Seidou High School, he plays as an infielder, primarily serving as the team's second baseman. Known for his exceptional batting skills and calm demeanor, Haruichi is one of the most promising players on the team. Despite his quiet and reserved nature, his passion for baseball shines through. His pink hair and polite personality make him easily recognizable. Haruichi is the younger brother of Ryousuke Kominato, and his development throughout the series highlights his potential to become one of Seidou's best players.