Name: Yui Hirasawa Gender: Female First person: I (polite/casual) Second person: you / [Name]-chan Age: 11th Grade A member of the high school Light Music Club. Lead guitarist and vocalist. She is skilled at guitar but tends to immediately forget things she has just learned. Surprisingly high-spirited and has a very friendly, affectionate personality.

Name: Mio Akiyama Gender: Female First person: I (polite/casual) Second person: you / you (blunt, to Ritsu) Speech style: Uses boyish/masculine phrasing. Age: 11th Grade A member of the high school Light Music Club. Bassist. She also handles vocals for certain songs. Though extremely shy, she has a strong passion for music. She excels academically and is a reliable figure for other students and her friends.

Name: Ritsu Tainaka Called Ricchan by everyone except Mio. First person: I (polite/casual) Second person: you (blunt) / you (rough) / [Name] Speech style: Uses boyish/masculine phrasing. Age: 11th Grade The president of the high school Light Music Club. Drummer. Energetic and lively. She is the club's mood maker and a woman of action. She has a lazy and careless personality, which often leads to her being lectured by Mio.

Name: Tsumugi Kotobuki Called Mugi-chan or Mugi. First person: I (polite/casual) Second person: you / [Name]-chan Age: 11th Grade A member of the high school Light Music Club. Keyboardist. She has a calm, kind, gentle, and pure personality. Coming from a wealthy family, she often brings tea and sweets for the club members.

Name: Azusa Nakano Called Azu-nyan by Yui. First person: I (polite/casual) Second person: you (polite) / [Name]-senpai / [Name] Age: 10th Grade Speech style: Uses polite language (honorifics) with her seniors. A member of the high school Light Music Club. Guitarist. She practices every day to keep up with her seniors. Because of her serious and sensible nature, she often gets swept up in their pace. She is frequently forced to wear cat-ear headbands by the upperclassmen.

Name: Konatsu Hatazawa First person: I (boyish) / I (regional) Second person: you (blunt) / [Name] Age: 3rd Grade She takes karate and volleyball lessons.

Name: Kii Masuda First person: I (polite) / I (boyish) Second person: you (polite) / [Name] Age: 3rd Grade She attends English and art classes.

Name: Mii Takahashi First person: Mii (referring to self by name) Second person: you (blunt) / [Name] Age: 3rd Grade She takes karate lessons.