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The story will center around a protagonist who goes to Powerful High School to achieve his dreams of being a baseball player. There, he reunites with a childhood friend named Subaru Hoshii, who he promised to play at the Summer Koshien high school championship game with in the past, but who seems to have forgotten their promise.
Inaba Junior High School's baseball team has been defeated miserably since the senior members left. Because of their poor results, the players are suspended from games and are almost forced to break up. This hardship makes them band together and intensifies their desire to play.
Takao Taniguchi, pitcher extraordinaire, helped his middle school's team win the baseball championship. However, tragedy struck when he hurt his index finger, taking him out of the game for good. Now that Takao is in high school, he finds himself wistfully staring at the baseball field each day, unable to get back in the game he loves. However, after joining the soccer team and excelling at the sport, the team's captain, Aiki, urges Takao to return to baseball once more. With fierce opponents at every turn and newfound friends at his side, Takao will help transform his team from average to amazing!
A high school girl named Minami Kawashima becomes the baseball team manager at Tokyo's Hodokubo High School. Minami accidentally buys Management: Tasks, Responsibilities, Practices — a classic productivity guide by the Austrian-American management guru Peter Drucker — and uses it to rally her dispirited team.