Following the National Tournament, Seidou High's baseball team faces uncertainty as they gear up for the Fall season. With a fresh captain at the helm, new talents join the starting lineup, aiming to fortify the team. The weight of past defeats lingers in the minds of the seasoned players, who intensify their training for the upcoming challenging season. As Seidou confronts both familiar foes and new adversaries, they strive to ascend the ranks once more, overcoming obstacles game by game. In this crucial period, Furuya and Eijun must showcase unwavering determination and prowess on the pitcher's mound to steer their team to triumph. The coveted title of 'The Ace of Seidou' hangs in the balance, waiting for one of these promising young pitchers to seize it.