When Yuki Miyata is hopsitalized with an illness, her best friend, Minami Kawashima, offers to take her place as manager of Hodokubo High School's baseball team, despite the fact she hates baseball herself. She buys Management: Tasks, Resposibilities, Practices by Peter Drucker which she later discovers is about business management as opposed to managing a baseball team, but Minami nonetheless becomes intrigued by its contents. Deciding that she first needs to 'define what the team is', she talks with Masayoshi Nakai, who hopes to become the team's CEO someday. Later, Yuki recalls a memory on how moved she was when Minami scored a winning bat during elementary school, which inspired her to join the baseball club. Having determined what the goal of the club is, Minami's decides to move onto the next step: Marketing.