As the world moves on from the war and technological advances bring changes to her life, Violet still hopes to see her lost commanding officer again.

Isabella, the daughter of the noble York family, is enrolled in an all-girls academy to be groomed into a dame worthy of nobility. However, she has given up on her…

Kumiko is now a second year and one of the senior players of the euphonium section. With new underclassmen joining the concert band, Kumiko will have to learn new things…