Hyuma Hoshi, a talented young baseball pitcher, aspires to follow in the footsteps of his father, the legendary Ittetsu Hoshi, a former 3rd baseman whose career was cut short by a war injury. Joining the esteemed Giants team, Hyuma faces the pressure of living up to his father's legacy. Amid intense training and fierce competition against his rival Mitsuru Hanagata of the Hanshin Tigers, he must unleash his pitching prowess to overcome the daunting obstacles in his path to success.