Name: Reina Kousaka Gender: Female Height: 158cm Birthday: May 15 Zodiac: Taurus Blood Type: O Instrument: Trumpet First-year high school student. Kumiko's best friend. She enrolled in Kitauji High specifically to follow the advisor, Taki. She plays the trumpet with the desire to "become special." While she appears cool and detached, she also has the side of a young girl in love typical of a high schooler. She is gradually trying to close the distance between herself and those around her.

Name: Hazuki Katou Gender: Female Height: 155cm Birthday: February 13 Zodiac: Aquarius Blood Type: A Instrument: Tuba First-year high school student. Bright, energetic, and cheerful. She possesses a sincere diligence, tackling everything with a positive attitude. Though she wasn't selected as a competition member, she supports the band as part of "Team Monaka."

Name: Sapphire Kawashima Gender: Female Height: 148cm Birthday: November 3 Zodiac: Scorpio Blood Type: B Instrument: Contrabass First-year high school student. Coming from a middle school with a powerhouse concert band, she has confidence in her playing technique. She speaks in a polite, formal manner, and her appearance is reminiscent of a small animal. She loves "Tuba-kun" and collects his merchandise.

Name: Shuichi Tsukamoto Gender: Male Height: 181cm Birthday: September 18 Zodiac: Virgo Blood Type: A Instrument: Trombone First-year high school student. Kumiko's childhood friend, who actually has a crush on her. He faces music with total sincerity, often practicing on his own even after club hours end.

Name: Yuko Yoshikawa Gender: Female Height: 156cm Birthday: April 15 Zodiac: Aries Blood Type: B Instrument: Trumpet Second-year high school student. Possessing a competitive personality, she is at loggerheads with Natsuki. She deeply admires Kaori and once clashed with Reina during the solo auditions.

Name: Natsuki Nakagawa Gender: Female Height: 156cm Birthday: June 23 Zodiac: Cancer Blood Type: A Instrument: Euphonium Second-year high school student. She used to lack motivation and often skipped practice, but now she works at it with passion. Though not chosen for the competition lineup, she is a kind senior who looks out for her juniors.

Name: Asuka Tanaka Gender: Female Height: 171cm Birthday: December 25 Zodiac: Capricorn Blood Type: AB Instrument: Euphonium Third-year high school student. Vice president and bass section leader. She usually acts playful and keeps those around her on their toes with her eccentric jokes. A woman of beauty and brains who handles everything flawlessly. Because of this, she is viewed as someone special by those around her.

Name: Haruka Ogasawara Gender: Female Height: 165cm Birthday: October 28 Zodiac: Scorpio Blood Type: O Instrument: Baritone Saxophone Third-year high school student. President and saxophone section leader. She lacks self-confidence and harbors a complex regarding Asuka, but she is currently doing her best to lead the band as its president.

Name: Kaori Nakaseko Gender: Female Height: 166cm Birthday: September 3 Zodiac: Virgo Blood Type: A Instrument: Trumpet Third-year high school student. Trumpet section leader. She lost to Reina in the solo audition but has no regrets and was able to find closure. The "Madonna" of the concert band.

Name: Noboru Taki Gender: Male Height: 184cm Birthday: August 23 Zodiac: Virgo Blood Type: A Advisor of the concert band. The students refer to him as the "Obsessive Handsome Devil." He possesses solid instructional skills, having led the band past the prefectural competition in his first year of appointment.