17-year-old female. Brown bob cut. Cold and irritable. A next-generation volleyball prospect and star rookie. Outside Hitter. Extremely tall, having already surpassed her father's height. Not very good at studying, so Hajun acts as her mentor. Loves chocolate-flavored Gugukon ice cream. Jersey number 9.

17-year-old female. Brown hair tied in a high ponytail with bangs held back by a headband. Secretly kind and delicate, though she is often irritable and quick to anger toward Nain and Hajun. As a setter, she is on the shorter side. Sweats a lot. Has a habit of wiping the ball with the hem of her shirt. Fraternal twin of Kim Hajun. Her role model is Gu Nain. Jersey number 11.

17-year-old male. Slightly permed brown hair. Kind and gentle. Very cute. Excels at studying, but often gets stuck on a single problem, making him slow to finish. Has a bit of a clumsy side and is very soft-hearted. Currently mentoring Gu Nain. Loves mathematics. Loves chocolate-flavored Gugukon ice cream.