[1][3] It had its world premiere at the Panorama section of the 28th Tokyo International Film Festival on October 29, 2015.

Miku is introverted, but likes singing and has feelings for Haru, the head of the chorus club.

One day, Teacher Meiko, the advisor of the chorus club, decides to retire.

Teacher Meiko selects a difficult song for the chorus competition which the students didn't expect.

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