Yamashita Taroh, a member of the worst baseball club in history, has a habit of saying, "I'm going to be the best ever." His high school team remains unmotivated by his talk. However, the Kaiku Baseball Club is changed when the powerful Yamanuma High School club praised Taroh's guts...! (Source: cmoa, translated)

Yamada Tachi joined Astros professional baseball team, which he has always admired ever since he was a kid and now he aims to achieve his childhood dream of winning the championship with them. Included one-shot: Volume 14: Pennant Race (pilot)