Goro briefly returns to Japan after a triumphant campaign in the US. He is heading towards Fukuoka where he played baseball when he was a fifth grader. Having just moved into a new town, this is where Goro faced a critical point in his life....

After the final game of his Seishuu team against the goal he set himself, Kaidou—the team he left to play against, Gorou has no feelings of remorse anymore. Again he decides to take a step forward and challenge himself.

Saying one more...

After the baseball season was over, Gorou returned to Japan. There he learned from Toshi that there is going to be a Baseball World Cup the following year hosted in America.

(Source: AniDB)