Gorou Honda is determined to become a professional baseball player after finishing high school. However, his dreams extend beyond playing in the Japanese Baseball League. He sets his sights on America, the birthplace of the sport, and the Major League. Despite his eagerness, Gorou encounters an obstacle. He learns that he must first conquer the Minor League, where he will compete against a multitude of talented players on his way to the Majors. As Gorou embarks on his journey towards the Major League, he quickly realizes the challenges of adjusting to cultural differences in America. He must push beyond his limits to achieve his goal.