Kanemoto Shingo

In 1969, at the press conference of Nagashima Shigeo who was joining a professional baseball team, Yomiurhi Kyojin, a ball was thrown at him by a boy. He was Hoshi Hyuma, and a thrown ball meant a letter of challenge. His father, Hoshi Ittetsu, had trained Huma since he had been very young to achieve his dream to make him a professional baseball player. Source: AnimeNfo

Crown Prince Jordy's motherland was destroyed by Mardal, the conqueror. To escape from Mardal's evil devices, he was secretly raised by a loyal retainer. One day, he discovers a legendary giant, Galient in a frontier valley. Using Galient, he fights against Mardal and resolves to regain his land. Source: Sunrise