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Sound! Euphonium: The Movie - Our Promise: A Brand New Day

Now in her second year at Kitauji High, Kumiko faces fresh challenges beyond the demanding road to Nationals. She must guide a group of spirited first‑year band members, each wrestling with their own quirks and insecurities, while keeping the ensemble’s performance on track.

Balancing her duties as a senior musician with the complexities of her budding romance with Shuuichi, Kumiko learns what it means to lead, listen, and grow alongside her friends. The film blends heartfelt drama with the uplifting rhythm of school band life, offering a nuanced look at mentorship, youthful ambition, and the subtle harmonies of everyday relationships.