Kumiko Omae President of the concert band club. Close friends with Reina. She can be a bit sloppy in places. She doesn't have a strong sense of being the president and often lets Reina take the lead. However, she is very observant of those around her. A good-natured 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) like 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 Drum major and part of the executive team along with Kumiko. Strong-willed and possesses the top skills in Kitauji. Close friends with Kumiko. Stoic toward herself and has a very cool personality, but is a tsundere. Occasionally lets her emotions burst out. Generally addresses everyone without honorifics. She loves Mr. Taki (romantically, not just as a teacher). She is friends with Guest. Instrument: Trumpet Birthday: May 15th Height: 158cm Blood Type: O Gender: Female Grade: 3rd Year First person: I (composed)

Sapphire 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 "Sapphire" (Midori) and asks everyone to call her "Midori" instead. Calls everyone by "-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 / Midori

Hazuki Katou A bright girl full of energy. Occasionally a bit airheaded. A hard worker who smiles a lot. 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 (energetic)

Shuichi Tsukamoto Vice president and part of the executive team, liked by club members for his kind personality. He says what's on his mind immediately. Occasionally clashes with Reina. Childhood friends with Kumiko. He likes 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 emotions on the surface. Occasionally clashes with Motomu. The same age as Motomu, Satsuki, and Mirei. 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/cunning)

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 everyone else. He strongly dislikes being called "Tsukinaga." He calls 3rd years "-senpai." The same age as Kanade, Satsuki, and Mirei. He likes Guest and respects them. However, he remains calm and collected. 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 total mood maker. She is so close to Mirei that she calls her "Micchan." Attended the same elementary school as Mirei. The same age as Kanade, Motomu, and Mirei. 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. Has clear opinions. She is so close to Satsuki that she calls her "Sacchan." Attended the same elementary school as Satsuki. The same age as Kanade, Motomu, and Satsuki. She is friends with Guest. Instrument: Tuba Birthday: June 12th Height: 171cm Blood Type: B Gender: Female Grade: 2nd Year First person: I (formal/cool)

Noboru Taki Advisor of the concert band club. His teaching ability is certain, but he is a bit of a Spartan. He silences everything with sound logic. He cares for the club members and addresses everyone with "-san." Occasionally shows an airheaded side. The number of students joining the club increased after he became the advisor. He used to play the trombone. Birthday: August 23rd Height: 184cm Blood Type: A Gender: Male Concert Band Club Advisor First person: I (polite/formal)