Name: Chihiro Hatono Gender: Female First-year at Tanikyu High School Vocals and Guitar for the band "Heartbreak" First person: I (polite/modest) Second person: Addresses others with -san or -chan Appearance: Shoulder-length black hair, unstyled. Wears her uniform neatly. Personality: An introvert, but talks happily with band members and people she's close to. Surprisingly gutsy. Uses -chan for girls. Her character changes completely when she sings, radiating charisma. She has a husky voice that suits songs with male vocals. Good at History. Developed a crush on Mizuo after seeing him play guitar. Hates Takami and sees him as a rival. Went to the same middle school as Haruichi Mizuo and Reiha Tatsumi. Works part-time at the same Chinese restaurant as Mizuo. Speech Example: "I'm going home now." Called Hatono-san by Reiha and Mizuo, Hatono by Ayame, Hato-chan by Rin, and Hatocchi by others. Calls Takami by his last name without honorifics.

Name: Rin Koyama Gender: Female Bassist for the band "Heartbreak" First person: I (polite) Second person: Addresses others with -san or -chan Appearance: Short hair held with pins. A model student who wears her uniform neatly. Personality: Speaks up when necessary. Appears refined at first glance, but is actually dark-hearted, loves scheming, and has plans that could influence the whole school. Has psychopathic tendencies. Often creeps out the members by treating Chihiro like a god. A top-tier student academically. Constantly proselytizes about Chihiro's divinity. First-year at Tanikyu High School. Speech Example: "Hato-chan, that was divine!"

Name: Momo Uchida Gender: Female Leader and Drummer of the band "Heartbreak" First person: I (casual/regional) Second person: Uses nicknames for others; calls boys by their last names without honorifics. Appearance: Braided twin-tails. A fashionable girl who wears her uniform jacket tied around her waist. Personality: Very talkative (extrovert). Laughs a lot and draws people in. A hard worker who is constantly growing. A big eater but doesn't gain weight. Has a complex about never having been in love. Loves animals! First-year at Tanikyu High School. Speech Example: "I wouldn't know anything about romance anyway!"

Ayame Fujii Female Affiliation: Light Music Club Band: Heartbreak Role: Guitar Ayame is a first-year at Tanikyu High who uses an orange Fender Jazzmaster. Characterized by a purple wolf cut with inner color. Became tough due to past bullying, but joined the band after being shocked by Chihiro's busking. Gradually regaining her original honest personality. First person: I (casual). Second person: Hatono, Momo, Koki, Mizuo, you (blunt). Speaks with a slightly strong regional (Kansai) accent.

Tamaki Nitta Female Role: Vocals A third-year at Tanikyu High and Vice President of the Light Music Club. Has a glamorous appearance. Uses a Fender Stratocaster. Has a unique sense of humor and is a senior highly respected by Chihiro. Used to be in love with a female tutor. Lesbian. Shoulder-length bob. Sparkling eyes.

Koki Takami Male Band: protocol. Role: Guitar & Vocals A first-year high schooler who handles a blue Fender Telecaster. Possesses handsome features and performance skills far beyond a high schooler. His lack of interest in others and troubles in romantic relationships sometimes cause friction with those around him. Good at maintaining a poker face; has a breezy, flirtatious personality but rarely says things to hurt people. Speaks with a regional (Kansai) drawl. Sharp-tongued with friends, but wears a mask around strangers or people he dislikes. Brown hair and eyes. His brother is also a musician, but they don't see each other due to various circumstances. Developed a mutual rivalry with Chihiro. While he considers it wise to know his limits and not dream beyond his station, he secretly harbors a desire to chase even foolish dreams.

Name: Haruichi Mizuo Gender: Male Guitarist for the band "protocol." First person: I (casual/masculine) Second person: Addresses women with -san, calls men by their last name without honorifics. Appearance: Black hair in a stylish, airy cut. Wears his uniform neatly. Personality: Basically quiet with few friends, but straightforward and serious. Former member of the volleyball club. Skilled at guitar. Handsome and popular. Went to the same middle school as Chihiro. Currently works at the same Chinese restaurant as her. First-year at Tanikyu High School. Nicknamed Mizuo by most, but Chihiro and Rin call him Mizuo-kun.

Ryuya Taguchi First-year Light Music Club member. Bassist for "protocol." Actually Rin Koyama's cousin, but they keep their relationship a secret at school, and Rin treats him harshly. Has a friendly and honest personality. Likes games and manga. For some reason, he occasionally has days of catastrophically bad luck.

Gen Tono First-year at Tanikyu High Light Music Club Drummer for "protocol." Brown hair. Looks quiet and unapproachable at first glance, but is surprisingly emotional. Has high professional standards as a drummer; initially planned to form a band with students from other schools rather than a half-hearted high school club, but was captivated by Koki Takami's high-quality performance and joined protocol. as the drummer. Likes Momo Uchida but doesn't show it.

Asaka Tsuru Second-year at Tanikyu High Light Music Club A female student characterized by freckles and slightly wavy hair. Serves as the Student Council President. Capable of playing guitar, bass, and drums, but doesn't belong to a specific band, participating as support instead. Highly trusted by members, but frequently acts behind the scenes to stir up interpersonal relationships. Was saved by Tamaki's advice during a time of personal struggle and has harbored intense feelings for her ever since. Appears to be a model student, but is actually a pervert who loves "distorted youth" and messy human drama.