The Kitauji high school concert band club had at one time participated in national tournaments and was a champion school, but after the club's adviser changed, they had not been able to even participate in the qualifying tournament. However, thanks to the newly appointed adviser's strict instruction, the students are steadily improving and build up their strength. As they fight over who plays solos, some students give priority to studying and quit club activities. Finally, the long wished-for day of the competition arrives, and the club wins the qualifying tournament.
Kumiko Oumae (黄前 久美子, Ōmae Kumiko)
Voiced by: Tomoyo Kurosawa
Kumiko, a first-year high school student, is the protagonist of
Sound! Euphonium. She speaks standard Japanese, despite growing up in the Kansai. She is easily swayed by the opinions of others and is an indecisive person. She dislikes her personality because she cannot make her wishes known to others nor have the courage to interfere with social affairs. She is a euphonium player in the concert band. She lives near Byodoin Temple with her elder sister and parents.
Hazuki Katou (加藤 葉月, Katō Hazuki)
Voiced by: Ayaka Asai
Hazuki is a friendly girl who talks innocently. She is Kumiko's classmate and is suntanned because she belonged to the tennis club when she was a junior high school student. She is a beginner at music. She admires the trumpet and joined the concert band club, but ended up playing the tuba, which she calls "Tubacabura" (a portmanteau of tuba and chupacabra). She is a bright, perky mood-maker, and the type of person who prefers standing out over supporting others.
Sapphire Kawashima (川島 緑輝, Kawashima Safaia) / Midori (緑)
Voiced by: Moe Toyota
Sapphire is a girl with soft hair and a delicate constitution. She is often timid due to her lack of self-confidence. She is embarrassed of her own name "Sapphire"
(緑輝, Safaia, lit."green brilliancy") , so she tells people to call her "Midori". She is from a junior high school named Seijo
(聖女) which has a competitive concert band club. She plays the contrabass, which she endearingly calls "George".
Reina Kousaka (高坂 麗奈, Kōsaka Reina)
Voiced by: Chika Anzai
Reina is a beautiful trumpet player with long black hair. She was a member of the concert band club at the same junior high school as Kumiko. She is a dedicated trumpet player and goes to the music classroom even outside of club activities. Though she has a polite disposition, she is not viewed so well by others because she usually has a surly expression. She cherishes her trumpet, which was given to her by her parents when she was a junior high school student.
Asuka Tanaka (田中 あすか, Tanaka Asuka)
Voiced by: Minako Kotobuki
Asuka is a third-year student and vice president of concert band club. She plays the euphonium and leads the bass section. Whenever the club is marching, she leads the band as drum major. She is a natural beauty with glasses and has a playful personality. However in the second season, this is revealed to be mostly a facade to hide her true feelings from her classmates.
Haruka Ogasawara (小笠原 晴香, Ogasawara Haruka)
Voiced by: Saori Hayami
Haruka is a third-year student and president of the concert band club. She plays the baritone saxophone and leads the saxophone section. She is a strong-minded character, but has low self-esteem.
Kaori Nakaseko (中世古 香織, Nakaseko Kaori)
Voiced by: Minori Chihara
Kaori is a third-year student. She has deep-black hair and a gentle character, making her quite popular in the concert band club. She plays the trumpet and is the section leader, in addition to being the club accountant.
Natsuki Nakagawa (中川 夏紀, Nakagawa Natsuki)
Voiced by: Konomi Fujimura
Natsuki is a second-year student who plays the euphonium.
Yuko Yoshikawa (吉川 優子, Yoshikawa Yūko)
Voiced by: Yuri Yamaoka
Yūko is a second-year student who plays the trumpet. She adores Kaori.
Mizore Yoroizuka (鎧塚 みぞれ, Yoroizuka Mizore)
Voiced by: Atsumi Tanezaki
Mizore is a quiet second-year student who plays the oboe. She was friends with Nozomi in middle school.
Nozomi Kasaki (傘木 希美, Kasaki Nozomi)
Voiced by: Nao Toyama
Nozomi is a second-year student who plays the flute. She dropped out of band in her first year.
Shuichi Tsukamoto (塚本 秀一, Tsukamoto Shūichi)
Voiced by: Haruki Ishiya
Shuichi is a first-year high school student. He is Kumiko's childhood friend, and the two went to the same junior high school. He and Kumiko are not classmates in high school because they are studying different courses. They previously had a falling out, due to Shuichi having made a snide remark about Kumiko when they were in their third year of junior high school. He was originally a horn player, but he gets to play the trombone after winning a game of rock-paper-scissors.
Takuya Gotou (後藤 卓也, Gotō Takuya)
Voiced by: Kenjiro Tsuda
A second-year student who is a tall, calm, and taciturn youth. He plays the tuba and sousaphone.
Riko Nagase (長瀬 梨子, Nagase Riko)
Voiced by: Miyuki Kobori
A second-year student and Takuya's girlfriend. She also plays the tuba and sousaphone.
Aoi Saitou (斎藤 葵, Saitō Aoi)
Voiced by: Yōko Hikasa
Aoi is a childhood friend of Kumiko, and she is two years her senior. The two often played together, as they lived in the same neighborhood. She and Kumiko drifted apart in junior high school. They are reunited in the concert band club although they do not talk much. She plays the tenor saxophone.
Noboru Taki (滝 昇, Taki Noboru)
Voiced by: Takahiro Sakurai
Taki is the new music teacher in Kitauji High School and serves as the adviser to the concert band club. He is also in charge of Class 5 of the second-year students. He is polite and has a methodical personality. He emphasizes independence in his students, and to this end he pushes them to reach their goal of going to the national competition.
Michie Matsumoto (松本 美知恵, Matsumoto Michie)
Voiced by: Aya Hisakawa
Michie is Kumiko's homeroom teacher and is the vice-advisor of concert band club. She is known as an intimidating teacher.
Mamiko Oumae (黄前 麻美子, Ōmae Mamiko)
Voiced by: Manami Numakura
Mamiko is Kumiko's older sister. She is a college student and was a trombone player.
Akiko Oumae (黄前 明子, Ōmae Akiko)
Voiced by: Haruhi Nanao
Akiko is Kumiko and Mamiko's mother. Her name "Akiko" is not mentioned in the original novels.
Akemi Tanaka (田中 明美, Tanaka Akemi)
Voiced by: Kumiko Watanabe
Akemi is Asuka's mother. She tried to let Asuka quit the concert band club.
Azusa Sasaki (佐々木 梓, Sasaki Azusa)
Voiced by: Azusa Tadokoro
Azusa is Kumiko's friend and they went to the same junior high school. She admitted Rikka High School
(立華高校, Rikka Kōkō) known for its marching band. She plays the trombone. She is the protagonist of the Rikka-centric spinoff novels.
Kohaku Kawashima (川島 琥珀, Kawashima Kohaku)
Voiced by: Haruka Chisuga
Kohaku is Sapphire's little sister. She is an additional character for the anime television series and appears in the eighth episode. Her name "Kohaku" means "amber" in Japanese.
Masahiro Hashimoto (橋本 真博, Hashimoto Masahiro)
Voiced by: Yuichi Nakamura
A percussion specialist and longtime friend of Noboru Taki's.
Satomi Niiyama (新山 聡美, Niiyama Satomi)
Voiced by: Houko Kuwashima
A woodwind specialist and longtime friend of Noboru Taki's.
Hirone Torizuka (鳥塚 ヒロネ, Torizuka Hirone)
A third-year student who is the concertmaster and leader of the clarinet section.
Kotoko Himegami (姫神 琴子, Himegami Kotoko)
A third-year student who is the leader of the flute and piccolo section.
Juri Sawada (沢田 樹里, Sawada Juri)
A third-year student who is the leader of the horn section.
Hideri Noguti (野口 ヒデリ, Noguchi Hideri)
A third-year student who is the leader of the trombone section.
Narai Tanabe (田邊 名来, Tanabe Narai)
A third-year student who plays the snare drum and leads the percussion section. His nickname is "Knuckle".
Raina Kiramura (喜多村 来南, Kitamura Raina)
A third-year student who is the leader of the bassoon and oboe section. She plays the bassoon.
Shoko Hagiwara (萩原 笙子, Hagiwara Shōko)
A third-year student who is the club's photographer. She plays the clarinet.
Yoriko Sōga (雑賀 頼子, Sōga Yoriko)
A third-year student who is the club's music notes librarian. She plays the piccolo.
Tsune Watanabe (渡辺 つね, Watanabe Tsune)
A third-year student who is the club's alumni coordinator. She plays the flute.
Chikao Takigawa (瀧川 ちかお, Takigawa Chikao)
A first-year student and Shuichi's friend. He plays the tenor saxophone.
Raimu Okamoto (岡本 来夢, Okamoto Raimu)
A third-year student who plays the alto saxophone. Her lucky charm is written as "L.O."
Akiko Yoshizawa (吉沢 秋子, Yoshizawa Akiko)
A first-year student who plays the trumpet.
Rara Hitomi (瞳 ララ, Hitomi Rara)
A first-year student who plays the horn.
Hitoshi Usui (臼井 ひとし, Usui Hitoshi)
A third-year student who plays the bass clarinet.
Hiyoko Ueda (植田 日和子, Ueda Hiyoko)
A first-year student who plays the clarinet.
Sound! Euphonium is a 319-page novel written by Ayano Takeda, and features cover art drawn by Nikki Asada. Takarajimasha published the novel on December 5, 2013. Two sequel novels were released on March 5 and April 4, 2015. In addition, a short story collection was released on May 25, 2015. In 2016, a spin-off novel was released in two volumes on August 4 and September 6. Another spin-off novel was released on October 6, 2016. Yen Press has licensed the novel series in North America, with the first licensed volume scheduled for release in Q2 2017.
A manga adaptation illustrated by Hami was serialized on the Kono Manga ga Sugoi! Web website between November 28, 2014 and October 30, 2015. Takarajimasha published three tankōbon volumes between April 3 and November 20, 2015. A manga adaptation of the second novel followed, and the first volume was released on September 8, 2016; the second volume was released on October 11, 2016.
A 13-episode anime television series adaptation of the first volume of the novel series, directed by Tatsuya Ishihara, written by Jukki Hanada, and produced by Kyoto Animation, aired in Japan between April 8 and July 1, 2015. The opening theme is "Dream Solister" by True, and the ending theme is "Tutti!" (トゥッティ!) by Tomoyo Kurosawa, Ayaka Asai, Moe Toyota, and Chika Anzai. The ending theme for episode 8 is a trumpet and euphonium duet version of "Ai o Mitsuketa Basho" (愛を見つけた場所, "The Place Where We Found Love") and the ending theme for episode 13 is a wind orchestra version of "Dream Solister". Insert wind music was performed by the Freshman Wind Ensemble (フレッシュマン ウィンド アンサンブル) of the Senzoku Gakuen College of Music. The anime is licensed by Ponycan USA in North America, and by Anime Limited in the United Kingdom. The seventh DVD/BD volume, released on December 16, 2015, bundled an original video animation (OVA) episode titled "Kakedasu Monaka" (かけだすモナカ, "Dash, Monaka"). Kyoto Animation produced an anime film retelling the events of the television series, which premiered on April 23, 2016.
A second season of the television series began airing on October 6, 2016. An OVA, titled "Hanabi-taikai Kiss e Yōkoso" (花火大会キッスへようこそ！, "Welcome to the Fireworks Festival Kiss"), was bundled with the second season's first home video release volume, which was released on December 21, 2016. A second anime film retelling the events of the second season is scheduled for release in Q4 2017.
Season 1
Season 2
