The year is 1945. Everything as usual in the Fukuoka city. Some places in Japan have already been scorched by the fire of war, but here it is relatively peaceful and calm. The school still working, and the boys play war in their spare time. Daichi and his friend are the commanders of rival squads. One day a newcomer appears in the class - Yoriko, a girl evacuated from Tokyo. Yoriko takes life very seriously, she has good reasons - her childhood ended after the loss of loved ones in the bombing. Children get to know each other and become friends. They, as the rest of the city, do not yet know that on June 19 their life will be divided into "before" and "after".

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"! !!

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.

Five young superhero ninja employed by the International Science Organization oppose an international terrorist organization of technologically advanced villains who are trying to control Earth's natural resources.