Riri Senami

Kitauji High School's brass band finally reaches nationals. However, the soloist rivalry between Kumiko and Mayu fractures the entire ensemble, forcing Kumiko to make a pivotal choice both as band president and a musician.

Now band president, Kumiko faces the dual hurdles of qualifying for nationals and deciding her future, as the arrival of Mayu, a skilled player from a prestigious school, creates tension between Kumiko’s responsibilities as president and her dream of performing at the top with Reina.

Miss Kobayashi, Tohru, Ilulu, and Kanna’s peaceful lives are shaken when Kanna’s father, Kimun Kamui, forces her to return to the Dragon World. As a war brews between the Chaos and Harmony factions, Kanna tries to unite the two worlds, torn between her friends and father. When dragons clash, Ilulu uncovers a hidden force manipulating the war. Can they stop the war before it consumes both worlds?

Awaiting new club leader Kumiko is the Ensemble Contest, and the school's preliminary competition to determine the representative team to participate. Kumiko tries her best to make it to the preliminaries without incident, but the concert band club is so large that there seems to be no end to the problems. And as club leader, she finds herself busy consulting on all sorts of matters. While the other members are deciding on their teams, Kumiko herself hasn't even decided which she will join...

In their last year of high school, two girls in the brass band club perform a song inspired by a fairy tale that parallels their friendship.

Autumn is in the air as the Kitauji High School concert band prepares for the National Competition. The band hears troubling news that Asuka Tanaka, vice president of the club and one of the key euphonium players in the band, may quit! Asuka is beautiful and charismatic and everyone relies on her, but she also has a cool side and never reveals her true self. Kumiko doesn’t get along with Asuka initially, but her feelings change when she learns that Asuka may actually drop out. Asuka has feelings about the euphonium that she cannot tell anyone else…

Devoted to her family’s rice-cake–making business and the high school baton club, Tamako is a little slow when it comes to love. She’s oblivious to her childhood friend Mochizo’s affections, even though all their friends know. With graduation closing in and Mochizo leaving for Tokyo, will Tamako realise her feelings and tell him in time?