The story focuses on Rikka High School Marching Band. Azusa Sasaki, Kumiko's friend from the middle school, is the main character of this novel. The story is set in about the same time as the main series but it is told from Rikka High School's perspective instead of Kitauji's.
|Sound! Euphonium by Ayano Takeda|
|Kitauji High School|
|Rikka High School|