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

Kumiko Oumae enters her second year at Kitauji High School, where she takes on a leadership role within the school's concert band. Alongside Tomoe Kabe, Kumiko is responsible for mentoring a group of challenging first-year students, including Kanade Hisaishi, Mirei Suzuki, Satsuki Suzuki, and Motomu Tsukinaga. As the ensemble prepares for the Sunrise festival and regional competitions to reach the national level, the group must navigate internal frictions and interpersonal conflicts. Simultaneously, Kumiko manages her evolving relationship with Shuuichi.

Directed by Tatsuya Ishihara, this animation drama is the seventh film in the director's career, following works such as The Disappearance of Haruhi Suzumiya and several previous Sound! Euphonium movies. The screenplay was written by Jukki Hanada. The voice cast features Tomoyo Kurosawa as Kumiko Oumae, Chika Anzai as Reina Kousaka, and Ayaka Asai as Hazuki Katou, with additional voices by Ayaka Nanase, Haruki Ishiya, and Kenjiro Tsuda.

The production involved Kyoto Animation, Pony Canyon, Shochiku, and Bandai Namco Arts. The film earned 2 million USD at the worldwide box office. Audiences provided positive feedback, resulting in a rating of 7.3/10 on IMDb from 711 votes and 7.1/10 on TMDB from 58 votes.