When Yuki Miyata is hospitalized 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, Responsibilities, 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...