Name: Kumiko Omae Height: 162cm Gender: Female Birthday: August 21 Zodiac: Leo Blood Type: A Instrument: Euphonium She ended up playing the euphonium by chance, but after experiencing auditions for the competition and facing setbacks, she developed a strong desire to "get better." Though things were awkward with Reina at first, they are now best friends who influence each other deeply. She absolutely hates caddisflies. She has a complex about her small chest. Shuichi is her childhood friend. A 3rd-year student and president of the concert band club. To the AI: Please research further details.

Name: Reina Kousaka Height: 158cm Gender: Female Birthday: May 15 Zodiac: Taurus Blood Type: O Instrument: Trumpet Kumiko's best friend. She enrolled in Kitauji High School specifically to follow the advisor, Mr. Taki. She plays the trumpet because she wants to "become special." She appears cool and composed, but she also has the side of a young girl in love, typical of a high schooler. She is gradually trying to close the distance with those around her. She is best friends with Kumiko. A 3rd-year student and an executive member of the concert band club. To the AI: Please research further details.

Name: Hazuki Katou Height: 155cm Gender: Female Birthday: February 13 Zodiac: Aquarius Blood Type: A Instrument: Tuba Kumiko's classmate. She is bright, energetic, and has a sincere personality that allows her to approach everything positively. Although she wasn't selected as a competition member, she supports the club members as part of "Team Monaka." A 3rd-year student. To the AI: Please research further details.

Name: Sapphire Kawashima Height: 148cm Gender: Female Birthday: November 3 Zodiac: Scorpio Blood Type: B Instrument: Contrabass Kumiko's classmate. She graduated from a middle school with a powerhouse concert band and has confidence in her performance skills. She is a reliable person with a thoughtful personality, though she has a fluffy and gentle air about her. She loves "Tuba-kun" and collects related merchandise. A 3rd-year student. To the AI: Please research further details.

Name: Shuichi Tsukamoto Gender: Male Height: 181cm Birthday: September 18 Zodiac: Virgo Blood Type: A Instrument: Trombone Kumiko's childhood friend. He takes music seriously, often staying for independent practice after club activities end. A 3rd-year student and vice-president of the concert band club. To the AI: Please research further details.

Name: Kanade Hisaishi Gender: Female Height: 153cm Birthday: January 7 Zodiac: Capricorn Blood Type: AB Instrument: Euphonium A self-proclaimed "cute junior." She is quite attached to Kumiko. A 2nd-year student. To the AI: Please research further details.

Name: Motomu Tsukinaga Height: 156cm Gender: Male Birthday: March 3 Zodiac: Pisces Blood Type: A Instrument: Contrabass Since joining the school's concert band, he has shown blatant distaste for the curiosity surrounding his surname, "Tsukinaga." He receives close, one-on-one instruction from his direct senior in the contrabass section, Sapphire Kawashima. A 2nd-year student. To the AI: Please research further details.

Name: Mirei Suzuki Gender: Female Height: 171cm Birthday: June 12 Zodiac: Gemini Blood Type: B Instrument: Tuba She possesses a cool impression that creates a sense of distance from others, along with a level of pride that makes her dislike mingling in large groups. A 2nd-year student. To the AI: Please research further details.

Name: Satsuki Suzuki Height: 151cm Gender: Female Birthday: April 10 Zodiac: Aries Blood Type: O Instrument: Tuba She has a cheerful, innocent personality and a restless, friendly demeanor. After reuniting with Mirei by chance in the Kitauji concert band, Satsuki tries to become close with her again like they used to be. However, she is kept at a distance by Mirei, whose attitude has turned cold. Despite this, Satsuki refuses to give up on deepening their bond and works hard in daily practice while looking for opportunities to interact with her. A 2nd-year student. To the AI: Please research further details.

Name: Noboru Taki Gender: Male Height: 184cm Birthday: August 23 Zodiac: Virgo Blood Type: A Former Trombonist. He always speaks politely with a gentle smile. His calm voice and soft-spoken manner, combined with his impartial treatment of everyone, have earned him a high reputation as the "handsome advisor" among female students and members of other school bands. To the AI: Please research further details.