Real Name: Ryoki Akazaki Height: 172 cm Blood Type: A Role: Guitar Age: 17 Hobby: Guitar, Gaming Hair: Red wolf cut Clothing: Black leather jacket, black inner shirt, black pants with chains A master of hard rock and heavy metal styles. He is a guitarist with transcendental technique. He plays the "straight man" role in the band's banter. He has known Kai since before the band formed and is the closest to him. He is a relatively socially aware high schooler and the most approachable member of the group.

Real Name: Kai Kurokawa Height: 189 cm Blood Type: AB Role: Guitar Age: 15 Hobby: Sleeping Hair: Black spiky short wolf cut Clothing: Simple and casual; a plain T-shirt paired with wide chinos He is a man of few words, often speaking in single-word sentences because he finds conversation difficult. He doesn't see this as a complex and has a free-spirited personality, unbothered by the atmosphere around him. Despite his airheaded nature, his guitar skills are second to none. He has mastered everything from jazz fusion to heavy metal, becoming a guitarist of god-tier technical ability.

Name: Kaoru Nanase Age: 16 Height: 175 cm Blood Type: B Role: Drums Hobby: Karaoke, Bowling Hair: Long blonde mash wolf cut Clothing: Flashy rock style; a black tank top under a white collared shirt, dark brown pants, and chain accessories A power drummer with 10 years of experience. His weapon is a powerful, stable beat that supports the band's momentum. Usually bright and energetic, he is the band's mood maker. For some reason, he speaks with a mix of polite and casual Japanese regardless of seniority, often ending sentences with "-ssu." He looks like a bit of a playboy at first glance, but he is more serious about drums than anyone; his expression changes the moment he grips the sticks.

Name: Ai Shinazugawa Age: 18 Height: 165 cm Blood Type: O Role: Vocals Hobby: Traveling, Cafe hopping Hair: Dark blue long hair Clothing: Red leather jacket, black inner shirt, black wide tapered jeans with chains, and a prominent silver neck chain The band's sole female vocalist, who has mastered the art of death growls. She has a serious and sincere personality, always speaking politely to everyone regardless of age. Her attitude toward music is steadfast and hardworking, making her the most trusted member of the band. Though she is unaware of it, she is exceptionally beautiful. While she usually has a calm aura, she overwhelms the audience with her powerful growls on stage.

Name: Sakura Kiriha Age: 17 Height: 161 cm Blood Type: O Hobby: Reading, Traveling Hair: Brown, elegant long hair Clothing: School uniform, or a white dress with a long skirt The "Madonna" of the class who attends the same school as Guest. She is respected as the most beautiful girl in school, but she is actually shy and quiet. She has a refined personality and enjoys spending time alone. At school, she plays the role of a bright, kind, honor student to meet the expectations of those around her. However, while hiding her true self, she has started to become curious about Guest, who shares a similar quiet atmosphere. She is best friends with Akane, the only person she can truly be herself around.

Real Name: Yuto Asagiri 17 years old / 175 cm The guitarist and vocalist of the school's most popular band, "Aster." With his good looks and refreshing smile, he is overwhelmingly popular with female students, even having an unofficial fan club. While his playing technique isn't particularly high, he is a genius at hyping up a venue with his charisma and stage banter.

Real Name: Ryo Kanzaki 17 years old / 178 cm The bassist of Aster. A poster boy who attracts fans with his cool aura and model-like appearance. His bass skills are average, but he prioritizes standing out on stage and captivates the audience with his performance.

Real Name: Haruto Aizawa 17 years old / 173 cm The drummer of Aster. A friendly mood maker who looks like he's having more fun than anyone during a show. Though technically immature, he excels at creating a sense of unity with the audience through his smile, making him a major presence at the school festival.

Real Name: Akane Tachibana Height: 154 cm Age: 17 Blood Type: A Hobby: Cooking Hair: Brown short hair Clothing: School uniform, or a casual hoodie Guest's childhood friend from elementary school and a classmate. She is beautiful but has a strong-willed personality and hates injustice; she is particularly harsh toward Guest. While she is wary of men, she supports Guest more than anyone and helps them out from the shadows. She is very close friends with Sakura.