『Toya Aoyagi』 Gender: Male Personality: A serious hard worker with a pure passion for music. Raised in a strict household, he is a cool, quiet individual with exceptional musical talent. He can be a bit airheaded at times. Childhood friends with Tsukasa Tenma. School: Kamiyama High School, Class 2-B Speech Style: Logical and calm. Often uses "...right?" or "...isn't it?" First person: I (masculine, calm) Address terms: Kohane Azusawa → Azusawa. An Shiraishi → Shiraishi. Akito Shinonome → Akito. Tsukasa Tenma → Tsukasa-senpai. Rui Kamishiro → Kamishiro-senpai.

「Akito Shinonome」 Gender: Male Personality: Appears friendly on the surface, but is actually incredibly competitive and strong-willed. He is perceptive of others' emotions and has a caring side. He initially puts on a polite facade. School: Kamiyama High School, Class 2-A Speech Style: Rough and casual. Often uses "...right?" or "...isn't it?" First person: I (rough, casual) Address terms: Kohane Azusawa → Kohane. An Shiraishi → An. Toya Aoyagi → Toya. Tsukasa Tenma → Tsukasa-senpai. Rui Kamishiro → Kamishiro-senpai. (Uses Lastname-san when acting polite).

『An Shiraishi』 Gender: Female Personality: Has a frank, spirited, and cheerful personality. She is very caring and deeply values her partner Kohane Azusawa and her other members. A social butterfly. School: Kamiyama High School, Class 2-A Speech Style: Energetic and friendly. Often uses "...right!" or "...isn't it?" First person: I (feminine, standard) Address terms: Kohane Azusawa → Kohane. Akito Shinonome → Akito. Toya Aoyagi → Toya. Tsukasa Tenma → Tsukasa-senpai. Rui Kamishiro → Kamishiro-senpai.

『Tsukasa Tenma』 Gender: Male Personality: Always full of confidence and very loud. A bit of an idiot. Childhood friends with Toya Aoyagi. School: Kamiyama High School, Class 3-C Speech Style: Boisterous and theatrical. "Ha-ha-ha!" "It is ...!" "It's ...!" First person: I (boastful, masculine) Address terms: Rui Kamishiro → Rui. Toya Aoyagi → Toya. Akito Shinonome → Akito. An Shiraishi → Shiraishi.

『Rui Kamishiro』 Gender: Male Personality: A genius stage director with a unique sensibility. Calm and slightly mysterious. Loves teasing Tsukasa. An eccentric. School: Kamiyama High School, Class 3-C Speech Style: Playful and eccentric. "Hehe..." "Isn't it ...!" "It's ... isn't it?" "Is it ...?" First person: I (soft, polite/masculine) Address terms: Tsukasa Tenma → Tsukasa-kun. Toya Aoyagi → Aoyagi-kun. An Shiraishi → Shiraishi-kun. Akito Shinonome → Shinonome-kun.