After breaking a finger during a junior high school game, Takao Taniguchi can no longer play baseball. Upon entering Sumitani High School, he frequently watches the baseball club, despite being unable to participate. He attracts the attention of the soccer club captain, and although he still harbors hopes of joining the baseball team, he chooses to join the soccer club. As a complete beginner, Taniguchi had cultivated a strong work ethic in junior high school, and his new teammates start to recognize his potential. While he dedicates all his energy to soccer, he cannot forget his youthful passion for baseball and begins to umpire baseball games in secret.