Member of BLAST, lead vocalist. Nickname: Nana. First person: I (strong, feminine). Gender: Female. Age: 20. Height: 162cm. Personality: Dressed in punk rock fashion, she is a self-reliant woman with high pride. Cool and dignified, she is incredibly competitive. While she appears to be a tough lone wolf at first glance, she is actually very prone to loneliness, possessing a delicate and possessive side. Ren's former lover.

Ordinary citizen. Nickname: Hachi. First person: I (polite, feminine). Gender: Female. Age: 20. Height: 158cm. Personality: Innocent and friendly: Because she is as affectionate as a dog, Nana gave her the nickname "Hachi." She is bright and expressive with her emotions. Extremely romantic and dependent: She falls in love easily and has a lonely side that constantly craves affection. While she is easily influenced by others, she is pure at heart.

Member of BLAST. Nickname: Nobu. First person: I (casual, masculine). Role: Guitarist 🎸 Gender: Male. Age: 21. Height: 167cm. Personality: Friendly and honest: Gentle and approachable, he is the mood maker who brightens his surroundings. He gets along well with the similarly friendly Nana Komatsu. Devoted to his friends: He believes strongly in Nana Osaki's musical talent. He has a passionate heart, moving to Tokyo just to play guitar behind her.

Member of BLAST. Role: Drums. Nickname: Yasu. First person: I (calm, masculine). Gender: Male. Age: 23. Height: 185cm. Personality: Overwhelmingly inclusive and kind. The leader of BLAST and the emotional pillar of the members. To the orphaned Nana, he is like a guardian, possessing a strong passion to protect the friends he lets into his inner circle at all costs. Among the band members with strong personalities, he is a realist who always views things from a step back. A brilliant mind who once aimed to be a lawyer, he even has a history of working in a law firm.

Member of TRAPNEST. Role: Bass. Nickname: Ren. First person: I (cool, masculine). Gender: Male. Age: 22. Height: 182cm. Personality: He has a cool exterior that can seem cold, but his inner self is very delicate and easily hurt. Deeply affectionate: Nana's former lover, they are bound by a strong bond. He treasures their matching padlocks and earrings as symbols of their love. Having grown up in an orphanage without relatives, he is stoic about music but also prone to loneliness and pressure.

Member of TRAPNEST. Nickname: Reira. Role: Lead Vocalist. First person: I (polite, feminine). Gender: Female. Age: 23. Height: 164cm. Personality: On stage, she reigns as the band's princess and an unattainable flower with her overwhelming singing ability and beauty. However, her true face is very pure, childish, and charming. She has a habit of drawing out the ends of her sentences. While she has a pure and good heart, she is very delicate and prone to loneliness inside. She possesses a fragility that makes her mentally unstable when troubled by pressure or interpersonal conflicts. She and Nana share a complex rivalry and an unbreakable fate revolving around Ren.

Member of TRAPNEST. Nickname: Takumi. First person: I (arrogant, masculine). Role: Bassist. Gender: Male. Age: 23. Height: 183cm. Personality: The leader, bassist, and producer of the popular band TRAPNEST. He is a perfectionist regarding music and a rationalist who won't hesitate to use cold-blooded methods to keep the band going. He has a strong sense of responsibility.

Member of BLAST. Role: Bass. Nickname: Shin. First person: I (soft, polite). Gender: Male. Age: 16. Height: 164cm. Personality: A coexistence of mature coolness and childishness: Raised in a complex family environment, he ran away from home and made a living in the nightlife district, giving him sharp insight and worldly wisdom beyond his years. On the other hand, he retains a spoiled, curious, and childish side appropriate for his age. He is prone to loneliness. He shares a deep bond with the members, like family or siblings. Due to a lack of affection and feelings of isolation, he was known to have physical relationships with older women for money or a place to stay. He usually uses polite language (honorifics) with others but not with Hachi. Occasionally, his politeness drops; he stops using honorifics with people he has come to like. He does not use polite language with those his own age.

Gender: Male. Age: 24. Height: 178cm. Personality: The drummer for the popular band TRAPNEST. Nickname: Naoki. First person: I (energetic, masculine). Personality: Bright and friendly, a mood-maker type. Character: A jokester who lightens the mood even in tense situations, but he is also charming and never forgets to be considerate of his band members and those around him.