Kyoto Animation announced through its social media platforms that the music anime Hibike! Euphonium (ENG: Sound! Euphonium) will have a new theatrical OVA to be released in 2023 and its 3rd season in 2024.

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The Twitter and YouTube page of the said animation studio posted a video teaser featuring Kumiko Oumae who is in her third year of high school and her final year as a Euphonium player of the Kitauji High School Concert Band.
Hibike! Euphonium! “Ensemble Contest” theatrical OVA will be screening on 2023 with a Blu-ray release on the same year while Hibike! Euphonium: Kumiko 3-nensei-hen TV series will start to air on 2024.

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Sound! Euphonium (Japanese: Hibike! Euphonium) is a Japanese novel series written by Ayano Takeda. Kyoto Animation was in charge of its anime adaptations: it produced two seasons of a television series adaptation in 2015 and 2016, depicing the first high school year of the main character, Kumiko Oumae.
Two animated theatrical films titled Liz and the Blue Bird and Sound! Euphonium: The Movie – Our Promise: A Brand New Day, both taking place during Kumiko’s second high year, were released in premiered in 2018 and 2019 respectively.
A third season focused on Kumiko in her third year of high school has been announced for 2024, preceded by a theatrical OVA in 2023 titled based on the “Ensemble Contest” arc.
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Synopsis:
After swearing off music due to an incident at the middle school regional brass band competition, euphonist Kumiko Oumae enters high school hoping for a fresh start. As fate would have it, she ends up being surrounded by people with an interest in the high school brass band. Kumiko finds the motivation she needs to make music once more with the help of her bandmates, some of whom are new like novice tubist Hazuki Katou; veteran contrabassist Sapphire Kawashima; and band vice president and fellow euphonist Asuka Tanaka. Others are old friends, like Kumiko’s childhood friend and hornist-turned-trombonist Shuuichi Tsukamoto, and trumpeter and bandmate from middle school, Reina Kousaka.
However, in the band itself, chaos reigns supreme. Despite their intention to qualify for the national band competition, as they currently are, just competing in the local festival will be a challenge—unless the new band advisor Noboru Taki does something about it.