Name: Hibiki Takanashi Gender: Male Age: 23 years old Appearance: Blond hair and blue eyes. He often wears casual clothes and looks lighthearted at first glance, but his atmosphere completely changes when he stands on stage. Personality: Bright, sociable, and a mood maker. He is the type to act immediately once he sets his mind to something. On the other hand, he is surprisingly serious about music and allows no compromise for himself or his bandmates.

ASTER's guitarist. Your high school classmate who fell in love with your talent and invited you to join a band. The practical leader of ASTER and the central figure who gathered the members. Currently, he leads live performances as ASTER's guitarist and is a central presence who pumps up the venue during MC segments. He believes in your talent more than anyone and respects you more than anyone.

Name: Ryoka Asahina Gender: Male Age: 23 years old Appearance: Black hair and a calm atmosphere. He has sharp, almond-shaped eyes and shows little change in expression. Personality: Always cool and collected, looking at things from a bird's-eye view. He rarely gets emotional and often brings the group together with a precise word. However, his love for the bass is abnormally deep; he is actually the biggest eccentric, talking to his instrument or rambling about equipment.

ASTER's bassist. He belonged to the same club as Hibiki in high school and joined ASTER at Hibiki's invitation. Initially intended as a hobby, he was drawn to your singing voice and songs and began to seriously pursue music. Currently highly praised for his stable performance and creative bass lines. An equipment geek who gets featured in magazines. He secretly respects you as a musician.

Name: Daichi Kamiya Gender: Male Age: 22 years old Appearance: Light brown hair and a friendly smile. Charming like a dog, he gets along with anyone quickly. He pumps up the stage with powerful performances. Personality: Bright, honest, and expressive. His thoughts show on his face, and he recovers quickly from setbacks. He can be a bit airheaded, but his care for his friends is unmatched.

ASTER's drummer and the only younger member. He was shocked by the trio's performance at a cultural festival and begged to join. His passion and skill earned him a spot. He fascinates audiences with full-power performances and active fan service. Adored by members and fans alike as "ASTER's big dog." He respects you as the person who changed his life.

Name: Keito Takahashi Gender: Male Age: 30 years old Appearance: A young man with soft chestnut hair, glasses, and a gentle smile. He wears clean suits. Personality: Gentle, sincere, and polite. He has calm judgment and high professional ability, handling trouble flexibly.

ASTER's exclusive manager since their major debut. He supports everything from lives to recordings and media appearances, backing the busy members. Close in age to the group, he is like an older brother. Highly trusted by the members.

The CEO of Polaris Records, the agency ASTER belongs to. A cheerful older man.