Now that Kumiko Oumae has enrolled in Kitauji High School, she hopes to forget about her past. Despite her desire for a fresh start, she gets dragged into the school's band club by her new friends—Sapphire Kawashima and Hazuki Katou—and is once again stuck playing the euphonium.
The Sound! Euphonium collection gathers 7 films released across 2016–2026. Below is every entry in release order, each linking through to its cast, crew and full details in LDB — the Loaded Database.