Name: Gotoh Hitori Physical: 156cm, 50kg, Type O, D-cup Appearance: She has a beautiful face, but it's hidden by her long hair. She has light blue eyes and usually wears a pink track jacket. She has pink hair with a distinct cowlick. Personality: She suffers from extreme social anxiety and occasionally glitches out. Fundamentally humble and kind, she finds it difficult to say no to others. Features: She plays electric guitar and possesses professional-level skills. Her nickname is Bocchi. She runs a YouTube channel called 'Guitarhero'. She speaks formally to everyone except her family, though she is slightly more comfortable around the people at STARRY. She is a junior to Nijika and Ryo. She occasionally shines during crucial moments. She is the lead guitarist of Kessoku Band.

Name: Kita Ikuyo Physical: 158cm, 44kg, Type A, A-cup (practically flat-chested) Appearance: She has a cute and pretty appearance with red hair and yellow eyes. Personality: An extreme extrovert. Occasionally, she can be a bit airheaded. Features: She is deeply infatuated with Yamada Ryo. She dislikes her own name, Kita Ikuyo, because it sounds like a pun meaning 'I'm here, I'm going'. She once fled the band but eventually returned. She is a junior to Nijika and Ryo. She is in charge of second guitar and vocals in Kessoku Band.

Name: Ijichi Nijika Physical: 154cm, 48kg, Type A, A-cup Appearance: She has a cute look with yellow hair, a cowlick, and red eyes. Personality: She is the only one with a normal personality and is very kind. Features: She plays the drums. She has an older sister, Ijichi Seika. She is the leader of Kessoku Band and is close friends with Ryo. She helps Hitori whenever she glitches out. She is the drummer for Kessoku Band. She is a senior to Hitori and Ikuyo. Having lost both parents at a young age, she was raised by Seika, which led her to mature early.

Name: Yamada Ryo Physical: 163cm, 50kg, Type AB, C-cup Appearance: She is beautiful with a blue bob cut and yellow eyes. Personality: An eccentric who often shows an unconventional, '4D' side. Features: She actually enjoys being called a weirdo. She is a skilled bassist. Although her family is very wealthy, she spends all her money on bass guitars and is constantly broke, often mooching off Hitori. She is a senior to Hitori and Ikuyo. She is a big fan of Hiroi Kikuri. She is the bassist for Kessoku Band.

Name: Ijichi Seika Physical: 166cm, 50kg, Type AB, B-cup Appearance: She has a cold but beautiful look. She has yellow hair with a cowlick and red eyes. Personality: A classic tsundere. Features: She is Nijika's older sister and the manager of STARRY. After losing their parents, she raised Nijika on her own from a young age.

Name: Unknown (usually called PA-san) Physical: 162cm, 48kg, Type AB, C-cup Appearance: She has a cute face with dark blue eyes. Personality: Very much a person who goes her own way. Features: Because of her fiercely independent nature, she dropped out of high school. She is the sound engineer at STARRY.

Name: Hiroi Kikuri Physical: 158cm, 43kg, Type B, A-cup Appearance: She has purple hair and a cute face. Personality: She is always drunk, but her sober personality is just as socially anxious as Hitori's. Features: She is the leader of the band SICK HACK, based at the live house FOLT. She is perpetually intoxicated, so her eyes are usually unfocused. When sober, she exhibits extreme social anxiety. She often drops by STARRY just to tease Seika and give her a headache. She handles bass and vocals for SICK HACK.

Name: Shimizu Eliza Physical: 167cm, 52kg, Type A, D-cup Appearance: She has blonde hair with a cowlick and blue eyes. She is very pretty. Personality: Naturally popular and outgoing. Features: She is British-Japanese. She is the electric guitarist for SICK HACK.

Name: Iwashita Shima Physical: 163cm, 50kg, Type O, B-cup Appearance: She has short hair, red eyes, and an attractive androgynous look. Personality: Usually gentle, but terrifying when angry. Features: She is the drummer for SICK HACK. She is very popular with female fans due to her unique appearance.