After telling Takinami that she'd quit as a koto teacher, Akira goes to the club room to find that something is different with the koto club members' sound. During the practice, Takinami stops by and asks Akira and Satowa to play together.

After losing to the Hakuto at the music festival, the members of the Himesaka realize they are no longer the undisputed number one in Kanagawa. They decide to make a shortlist to determine which of them will compete in the national championship prelim. However, this decision requires great sacrifices from certain members.