The Kitakomachi Badminton Club is preparing for the Inter-High finals between Nagisa and Ayano. While club feels nervous over Ayano's strange behavior, one day, an unexpected person shows up in the middle of practice.

Nagisa is nervous about playing Ayano at full strength. Worried about her knee, Tachibana gives her some advice. And all the while, the boys' Inter-High preliminaries are going forward.