Brother to Kaoru Shimizu. First seen back in Season 1 where he asked her sister if baseball was fun? Returned again in Season 3 as a new member of Seishuu Baseball Team where he played as a shortstop.He is the youngest in the Seishuu Baseball team being a freshman but he is the most talented second to Goro.With his excellent speed and skill he helped put up a fight against Kaido.Besides that, he also helped to take over the mound when Goro was injured by Egashira during their practice game with Kaido. Later on he became the captain of the Seishuu Baseball Team and once again challenge Kaido with his new teammates.