Rio Hidaka

The 64th production of theater troupe Bakusou Otona Shogakusei. Eighteen people participate in a baseball game that has the chance to change their lives.

Masumi, a high school sophomore who hates baseball, has been unable to tell his father, Osamu, about his future career. In order to convince his father, Masumi starts working part-time at a batting cage run by his father's friend, Moriya, a graduate of the art university.