Sound! Euphonium: Welcome to Rikka High School's Marching Band Volume 1 (響け! ユーフォニアムシリーズ 立華高校マーチングバンドへようこそ 前編 Hibike! Yūfoniamu Shirīzu Rikka Kōkō Māchingu Bando e Yōkoso Zenpen) is a spin-off novel of the Hibike! Euphonium series. It was released on August 4, 2016.[1]


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.


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