Sho Onodera, a junior high school student who often causes problems due to his bad behavior, but is an outstanding ball thrower. His ball-catching catcher was absent in the senior league. Meanwhile, at Tamagawa Chuo High School, where his older brother Rui enrolled with the aim of reviving a veteran baseball club, the survival of the baseball club was in danger. A full-fledged baseball romance depicting the activities of two brothers who lead a fallen baseball club to its revival. Mamoru Uchiyama, a talented manga artist who sadly passed away, left behind a masterpiece that truly demonstrates his true potential!