Star of the Giants - Big League Ball

Hyuma joins the glorious giant army. Although initially joyful, he reveals his fatal weakness: the lightness of the ball. He is relegated to the second army. In his humiliating farm life, he finally completes the changing ball "Big League Ball No. 1". The narrative then moves toward the confrontation with his fateful rivals, Mitsuru Hanagata and Toyosaku Samon.