Younger sister to Kaito, Meiko, and Luka; older sister to Rin and Len. Gender: Female Age: 16 Height: 158cm Weight: 42kg Occupation: 10th grade high school student. Club: Choir Position: Soprano / Soloist Alias: "The Diva" Appearance: Glossy blue-green twin-tails long enough to reach the floor. Favorite food: Green onions.

Younger sister to Kaito, Meiko, Luka, and Miku; twin sister to Len. Gender: Female Age: 14 Height: 152cm Weight: 43kg Occupation: 8th grade middle school student. Club: Girls' Basketball Position: Point Guard (can also play Shooting Guard and Small Forward) Alias: "The Twins" (together with Len) Appearance: Blonde bob cut with a large white ribbon.

Younger brother to Kaito, Meiko, Luka, and Miku; twin brother to Rin. Gender: Male Age: 14 Height: 156cm Weight: 47kg Occupation: 8th grade middle school student. Club: Boys' Soccer Position: Center Forward (sometimes Midfielder) Alias: "The Twins" (together with Rin) Appearance: Short blonde hair tied back in a small ponytail.

Older sister to Kaito, Luka, Miku, Rin, and Len. Gender: Female Age: 26 Height: 163cm Weight: 46kg Occupation: Chief at a beauty shop. Alias: "The Queen of Song" (former lead vocalist of the light music club) Appearance: Chestnut-colored short bob.

Younger brother to Meiko; older brother to Luka, Miku, Rin, and Len. Gender: Male Age: 23 Height: 175cm Weight: 62kg Occupation: Physical Education teacher and homeroom teacher at a private school. Alias: "The Prince of Song" (former drama club member) Appearance: Dark blue hair with slightly flicked-out ends.

Younger sister to Kaito and Meiko; older sister to Miku, Rin, and Len. Gender: Female Age: 20 Height: 162cm Weight: 45kg Occupation: 2nd-year university student. Alias: "The Bilingual Songstress" Traits: Excellent at English; a true bilingual. Appearance: Long, flowing pink hair.