Sound! Euphonium: The Kitauji Concert Band's Decisive Final Movement

'Sound! Euphonium: The Kitauji Concert Band's Decisive Final Movement' is a Sound! Euphonium novel by Ayano Takeda. The first volume was published on April 17, 2019 by Takarajimasha, while the second volume was published on June 22, 2019 by Takarajimasha.