Michiru Mayumura

Position: Pitcher, First Baseman Bat/Throws: Left/Left Teams: Touto Boys (Little League), , Oubi Middle Baseball Club (current)

Daughter of Mayumura Ken, Mayumura Michiru is the rival of current series protagonist, Daigo Shigeno. While she is the daughter of a professional pitcher, her idol and ideal player is Goro Shigeno. Through her admiration for Goro, she has a pitching form which resembles that of Goro.