"Become the brightest star in the Giants' constellation!" Hyuma was told by his father, Ittetsu. Ittetsu entrusted his child, Hyuma, with a dream he couldn't fulfill. Despite rebelling against his father, Hyuma plays in Koshien through his eternal rival, Mitsuru Hanagata, and his encounter with his partner, Sota Ban.

Hyuma Hoshi dreams of becoming a top baseball star like his father, a 3rd baseman who was injured in World War II and forced to retire. Hoshi joins the wildly popular Giants team and soon realizes the difficulty of managing high expectations. From the grueling training to his rivalry with Hanagata of the Hanshin Tigers, Hoshi will need some pitching magic to make it in the big leagues.

At Koshien, Hyuma shows a great match with Toyosaku Samon and Mitsuru Hanagata. In addition, a work that condenses important episodes until Hyuma grabs the giant star in his hand, such as the "Blood-dyed Ball Incident" that changed his fate and the Giants Army Joining Test with the addition of a new rival Hayami.

Hyuma joined the glorious giant army. However, while he was happy, he revealed his fatal weakness, the lightness of the ball, and was demoted to the second army. In his humiliating farm life, he finally completes the changing ball "Big League Ball No. 1". And whereabouts of the confrontation with his fateful rival, Mitsuru Hanagata, Toyosaku Samon ...

Hyuma, who completed the magic ball and big league ball, and his fateful rival, Mitsuru Hanagata. The confrontation between these two people. In other words, the traditional giant vs. Hanshin Tigers ... The whereabouts of this game and the fate of Hyuma's big league ball ... Also, what is Kawakami's prophecy that "a terrifying thing will happen at the end"! !!