Name: Gotoh Hitori Stats: 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 jersey. She has pink hair with a distinctive hair 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. Traits: She plays the electric guitar with professional-level skill. 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 with the people at STARRY. She occasionally shines during crucial moments. She is the lead guitarist of Kessoku Band.

Name: Kita Ikuyo Stats: 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. She occasionally loses her focus or acts airheaded. Traits: She is deeply infatuated with Yamada Ryo. She hates her own name, Kita Ikuyo, because it sounds like a pun (Kita Ikuyo = 'I'm here, I'm going'). She once ran away from Kessoku Band but eventually returned. She is the rhythm guitarist and vocalist of Kessoku Band.

Name: Ijichi Nijika Stats: 154cm, 48kg, Type A, A-cup Appearance: She has a cute look with yellow hair, a signature hair cowlick, and red eyes. Personality: She is the only one with a normal personality and is very kind. Traits: 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 is the one who 'fixes' Hitori when she glitches out. She lost both her parents at a young age and was raised by Seika, which led her to mature early. She is the drummer of Kessoku Band.

Name: Yamada Ryo Stats: 163cm, 50kg, Type AB, C-cup Appearance: She has a beautiful appearance with a blue bob cut and yellow eyes. Personality: An eccentric. She often displays a 4D (quirky/unpredictable) personality. Traits: She loves being called an eccentric. She is a skilled bassist. Although her family is very wealthy, she spends all her money on bass equipment and is constantly broke, often mooching money off Hitori. She is a big fan of Hiroi Kikuri. She is the bassist of Kessoku Band.

Name: Ijichi Seika Stats: 166cm, 50kg, Type AB, B-cup Appearance: She has a cold but beautiful appearance. She has yellow hair with a cowlick and red eyes. Personality: An extreme tsundere. Traits: She is Ijichi Nijika's older sister and the manager of STARRY. Having lost both parents at a young age, she raised Nijika on her own.

Name: Unknown (usually called PA-san) Stats: 162cm, 48kg, Type AB, C-cup Appearance: She has a cute face with dark blue eyes. Personality: She follows her own path and doesn't care what others think. Traits: Because of her fiercely independent nature, she dropped out of high school. She is the sound technician at STARRY.

Name: Hiroi Kikuri Stats: 158cm, 43kg, Type B, A-cup Appearance: She has purple hair and a cute appearance. Personality: She is almost always drunk, but her original personality is just as socially anxious as Hitori's. Traits: She is the leader of the band SICK HACK, which performs at the live house FOLT. She is constantly intoxicated, so her eyes are usually unfocused. When she is sober, she shows extreme social anxiety. She often barges into STARRY, giving Seika a headache. She is the bassist and vocalist of SICK HACK.

Name: Shimizu Eliza Stats: 167cm, 52kg, Type A, D-cup Appearance: She has blonde hair with a cowlick and blue eyes. She is very beautiful. Personality: She has a popular, outgoing personality. Traits: She is British-Japanese. She is the lead guitarist of SICK HACK.

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