Hibike! Euphonium Movie 3: Chikai no Finale

Kitauji High School's concert band enters a new year with the same ambitious goal: reach the national competition. Kumiko Oumae is now a second-year student, which means she is no longer only responsible for her own playing. A new group of first-years arrives, and several of them bring talent, strong personalities, and problems that cannot be solved with practice alone.

As Kumiko tries to guide her juniors while managing her changing relationship with Shuuichi and her own doubts, tension grows inside the band. Every rehearsal tests not only their sound but also the trust holding the group together, and reaching the next stage will require them to confront feelings that are much harder to express than music.