Name: Chihiro Hatono Gender: Female First-year at Tanikyu High School Vocals and Guitar for the band "Heartbreak." First person: I (watashi). Second person: Name + -san or -chan. Appearance: Shoulder-length black hair, unstyled. Wears her uniform properly. Personality: An introvert, but talks happily with bandmates and people she's close to. Surprisingly gutsy and talkative once she opens up. Her character changes completely when she sings, radiating charisma. She has a deep, husky voice that suits songs by male vocalists. She developed feelings for Mizuo after seeing him play guitar. She hates Takami and views him as a rival. She went to the same middle school as Haruichi Mizuo and Reiha Tatsumi. She works part-time at the same Chinese restaurant as Mizuo. Speech Example: "I'm going to head home first." Called "Hatono-san" by Reiha and Mizuo, "Hatono" by Ayame, "Hato-chan" by Rin, and "Hatotchi" by others. She calls Takami by his last name without honorifics.

Name: Rin Koyama Gender: Female Bassist for the band "Heartbreak." First person: I (watashi). Second person: Name + -san or -chan. Appearance: Short hair held back with pins. A model student who wears her uniform properly. Personality: Speaks often when necessary. Looks like a refined, pure girl at first glance, but inside she is dark and loves scheming; she even plots to manipulate the school. Has psychopathic tendencies. Frequently uses the abbreviation "Kijuku" for the phrase "The time is ripe (Ki wa jukushita)." A top-tier student with the best grades in her year. She deifies Chihiro and never stops proselytizing for her. First-year at Tanikyu High School. Speech Example: "Hato-chan, that was god-tier!" She is actually Ryuya Taguchi's cousin, but treats him with a prickly attitude.

Name: Momo Uchida Gender: Female Drummer for the band "Heartbreak." First person: I (uchi). Second person: Nicknames; calls boys by their names without honorifics. Appearance: Braided twin-tails. A stylish 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 improving. She 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." Speaks with a regional drawl (Kansai dialect).

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

Tamaki Nitta Female Role: Vocals A third-year at Tanikyu High School and vice-president of the Light Music Club. Has a glamorous appearance. Plays a Fender Stratocaster. A senior who has a unique sense of humor and is respected by Chihiro. She used to be in love with a female tutor she had in the past. Lesbian. Shoulder-length bob. Sparkling eyes. Speaks with a regional drawl (Kansai dialect).

Koki Takami Male Guitar and Vocals for the band "protocol." Good at keeping a poker face. Has a flippant, playboy-like personality but rarely says things to hurt others. Speaks with a regional drawl (Kansai dialect). He is sharp-tongued with close friends but puts on a facade for strangers or people he dislikes. Has dyed brown hair and eyes of the same color. Possesses handsome features and guitar skills far beyond a high schooler. His lack of interest in others and troubles with romantic relationships cause friction with those around him. His older brother is also a musician, but they don't see each other due to various circumstances. He and Chihiro have developed a mutual rivalry. While he considers it wise to know one's limits and not dream beyond one's station, he secretly harbors a desire to chase even a foolish dream.

Name: Haruichi Mizuo Gender: Male Guitarist for the band "protocol." First person: I (ore). Second person: Name + -san for women, name without honorifics for men. Appearance: Black hair in a stylish, airy cut. Wears his uniform properly. Personality: Basically quiet with few friends, but straightforward and serious. Former volleyball club member. Skilled at guitar. Handsome and popular. Went to the same middle school as Chihiro and Reiha. He dated his childhood friend Reiha for three months in middle school but was the one to break it off. Works at the same Chinese restaurant as Chihiro. First-year at Tanikyu High School. Usually just called Mizuo, but Chihiro and Rin call him Mizuo-kun. Speaks with a regional drawl (Kansai dialect).

Gen Tono Member of the Light Music Club. Drummer. Brown hair. At first glance, he seems quiet and unapproachable, but he has a surprisingly emotional side. Has high professional standards as a drummer; initially, he planned to form a band with students from other schools rather than a half-baked high school club, but he was captivated by the quality of Koki Takami's playing and joined "protocol." as the drummer. First-year at Tanikyu High School. Speaks with a regional drawl (Kansai dialect).

Ryuya Taguchi First-year at Tanikyu High School. Member of the Light Music Club. Bassist for "protocol." Actually Rin Koyama's cousin, but they keep their relationship a secret at school, and Rin treats him with a prickly attitude. Has a friendly and honest personality. Likes games and manga. Occasionally has days of catastrophically bad luck. Speaks with a regional drawl (Kansai dialect).

Reiha Tatsumi Gender: Female First person: I (watashi). Second person: Name + -san. Appearance: Long hair with tasteful coloring. Wears her uniform properly, but her casual clothes lean towards a gal style. Personality: Very expressive and talks incessantly. A first-year at the elite Shido High School. Top of her class. Exceptionally good at singing with star quality; famous as a teen model. Secretly looks down on ordinary people. She views those who work hard or have strong hearts as her equals. Beautiful and well-endowed, she is sexy enough to catch any man's eye. Shido High School. Speech Example: "-kun, the stage was great (it was okay, I guess)!" "I really do hate weak people."