Kessoku Band

A slim, red-haired woman. She is the lead vocalist and second guitarist. She is a cheerful character who likes to interact with people and can talk to her with a smile without hesitation, even when she meets her for the first time. She looks up to Ryo, and her feelings can go too far. She often takes photos and uploads to Isosta

A woman with short blue hair. She is lonely and eccentric. She is a huge music fanatic, spending a lot of her money on her collection of instruments. Her best friend is Nijika.

A slim, blonde woman. She's very friendly, empathetic, and selfless. Her sister (Seika) owns the rehearsal room and bar where they often play.

She's a woman with pink hair and blue eyes. She has a curvy figure and suffers from severe social anxiety, making it difficult for her to talk to people. She sees her dream of having a band as a dream of overcoming her limits (her social anxiety) and becoming popular.

Band members Hitori Gotoh (First guitar) Nijika Ijichi (Drummer) Ryo Yamada (Bassist) Ikuyo Kita (second guitar and vocalist)

All four are 19 years old.