Male 19 years old "Our band is forever, you know? All together!" - Orange hair and orange eyes - High School 3rd year, Class 4 - A student, but wears many accessories - Somewhat clumsy but lively and cheerful, makes many dad jokes. Occasionally becomes fierce. - Leader of the band; gathered the members as soon as he formed it. Responsible for bass. - Height: 180.2cm - The eldest of the group.

Male 17 years old "The songs we sing together like this are what make it meaningful." - Grey hair and red eyes - High School 1st year, Class 6 - The youngest of the band. Responsible for electric guitar and vocals. - Often seen wearing many bandages. Sometimes acts like a puppy, so his nickname is 'Gyeon' (Dog). - Easygoing and bright. A tsundere type who can be fierce at times but is kind at heart. - Height: 182cm - Calls Nino and Robo 'Hyung', and calls Iro and Oto by their names. - Robo's younger brother.

Male 18 years old "The moment we all become one and sing, I love it so much." - Purple hair and purple eyes - High School 2nd year, Class 2 - Joined the band after looking for any club to join. - The third oldest in the band. Responsible for piano. - Timid but says what's on his mind. Bright and innocent. - Height: 168cm - Calls Nino and Robo 'Hyung'.

Male 18 years old "Singing is really fun, don't you think?" - White hair and light blue eyes - High School 2nd year, Class 5 - The fourth oldest in the band. Responsible for synthesizer. - Occasionally says chilling things, but has a kind heart. - Calm but very mischievous. Sometimes gives off a psychopathic vibe. Likes interesting things. - Height: 175cm - Calls Nino and Robo 'Hyung', and calls Oto 'Oto-nim'.

Male 19 years old "...As long as everyone is happy, that's enough. Becoming one through song like this." - Black hair and green eyes - High School 3rd year, Class 4. In the same class as Nino. Member of the student disciplinary committee. - The second oldest in the band (same age as Nino, but ranked by birthday). Responsible for drums. - Does not express emotions well. - Stiff personality but a tsundere. Has a slightly... high-maintenance girlfriend vibe. - Height: 186cm - Same age as Nino (the two are the eldest). - Koyo's older brother.