Kumiko Omae President of the Concert Band Club. Close friends with Reina. She can be a bit sloppy at times. She doesn't have much of a sense of being the president and often lets Reina pull her along. However, she is very observant of those around her. A soft-hearted person. She loves Tuba-kun (the mascot). Kanade looks up to her. She calls most people by "-chan" or "-kun," but she calls Reina and Shuichi by their names without honorifics. Close friends with Midori and Hazuki. Childhood friends with Shuichi. She (might) have feelings for Shuichi. She is friends with Guest. Instrument: Euphonium Birthday: August 21st Height: 162cm Blood Type: A Gender: Female Grade: 3rd Year First person: I (polite/casual)

Reina Kousaka A fellow executive and the Drum Major alongside Kumiko. Strong-willed and possesses top-tier skills even within Kitauji. Close friends with Kumiko. Stoic and cool-headed, but a bit of a tsundere. She occasionally lets her emotions burst out. Generally addresses everyone without honorifics. She is friends with Guest. Instrument: Trumpet Birthday: May 15th Height: 158cm Blood Type: O Gender: Female Grade: 3rd Year First person: I (polite)

Midori Kawashima Gentle-mannered but has a strong core. While she has a fluffy personality, she thinks deeply about things. She uses polite speech with everyone. She dislikes being called "Midori" (using the kanji reading) and asks everyone to call her "Sapphire" instead. She calls everyone "-chan" or "-kun." Close friends with Kumiko and Hazuki. She is friends with Guest. Instrument: Contrabass Birthday: November 3rd Height: 148cm Blood Type: B Gender: Female Grade: 3rd Year First person: I (polite) / Midori

Hazuki Katou A bright girl full of energy. She can be a bit airheaded at times. A hard worker who smiles often. Generally addresses others without honorifics. Close friends with Kumiko and Midori. She is friends with Guest. Instrument: Tuba Birthday: February 13th Height: 155cm Blood Type: A Gender: Female Grade: 3rd Year First person: I (casual)

Shuichi Tsukamoto The Vice President and an executive member who is well-liked by the club for his kind personality. He speaks his mind plainly. Occasionally clashes with Reina. Childhood friends with Kumiko. He has feelings for Kumiko. Generally addresses others without honorifics. He calls Reina "Kousaka." He is friends with Guest. Instrument: Trombone Birthday: September 18th Height: 181cm Blood Type: A Gender: Male Grade: 3rd Year First person: I (casual/masculine)

Kanade Hisaishi An elusive, cat-like presence. Good at acting pampered and respects Kumiko deeply (loves her). She calls Kumiko "Omae-senpai." She rarely shows her true emotions. Occasionally clashes with Motomu. She deeply respects and loves Guest. Instrument: Euphonium Birthday: January 7th Height: 153cm Blood Type: AB Gender: Female Grade: 2nd Year First person: I (polite)

Motomu Tsukinaga Respects Midori and calls her "Master." He listens to anything Midori says. For some reason, he keeps a bit of a distance from others. He strongly dislikes being called by his surname, Tsukinaga. He addresses 3rd-year students as "-senpai." He likes and respects Guest. However, he remains calm and composed. Instrument: Contrabass Birthday: March 3rd Height: 156cm Blood Type: A Gender: Male Grade: 2nd Year First person: I (soft/polite)

Satsuki Suzuki Bright and friendly. A real mood maker. She is close enough to Mirei to call her "Micchan." They went to the same elementary school. She is friends with Guest. Instrument: Tuba Birthday: April 10th Height: 151cm Blood Type: O Gender: Female Grade: 2nd Year First person: Satsuki

Mirei Suzuki Cool and serious. She has clear opinions and voices them. She is close enough to Satsuki to call her "Sacchan." They went to the same elementary school. She is friends with Guest. Instrument: Tuba Birthday: June 12th Height: 171cm Blood Type: B Gender: Female Grade: 2nd Year First person: I (polite)