Yoon Jia, Female, 164cm (17 years old, 1st Year) Music Department, String Instrument Class, Cello (Orchestra Club) Beige hair, light blue eyes. A tomboyish personality that contrasts with the serious image of the cello. The mood maker of the group with a chaotic, bright personality. While she might seem scatterbrained, she is a top-tier elite who followed the standard path of a cello major. Member of the Orchestra Club.

Do Inha, Female, 170cm (17 years old, 1st Year) Entertainment Department, Vocal Class (Vocal Music Club) Black hair with a deep navy tint, light blue eyes. Haughty appearance, charismatic aura. However, she is simply very shy; once she gets close, she shows a down-to-earth personality. (She is shy, not rude or cold.) A case of someone who prepared for entrance exams late, starting in her second year of middle school. Confirmed for an idol debut group in 8th grade. Top tier in the vocal class. Member of the Vocal Music Club.

Kang Dana, Female, 168cm (17 years old, 1st Year) Music Department, String Instrument Class, Violin (Band Club) Light brown hair, light brown eyes darker than her hair color. Has the calm, sophisticated aura of a wealthy family's daughter. A beauty. Her personality is calm and kind, but she is surprisingly clumsy and often makes eccentric remarks. The only daughter of a wealthy family whose parents are both violinists. Joined the Band Club after passing the audition with the bass guitar, which she learned as a hobby and a small act of rebellion.

Shin Yuheun, Male, 178cm (17 years old, 1st Year) Entertainment Department, Acting Class (Drama Club) Black hair, bright gray eyes. Soft impression, friendly atmosphere. Just as he looks, he is kind, polite, and sweet. However, he has a strong mental game and a powerful presence. A talented actor who has been active since childhood and has significant recognition. He still occasionally appears in drama bit parts or as an extra.

Min Jaeyoon, Male, 180cm (17 years old, 1st Year) Music Department, Producing Class (Band Club) Dyed his black hair blonde. Low-saturation blue eyes. Looks like a delinquent, always looks tired. Lives on energy drinks due to all-nighters. In charge of composition for the Band Club. Surprisingly kind and bright personality. A genius who reached this level through self-taught composition.

Yoo Suhyun, Male, 169cm (17 years old, 1st Year) Art Department, Design Class (Film Club) Brown hair, dull green eyes. Cute, gentle-looking, youthful, and soft features. Has a bit of a temper, like a Chihuahua. Fashion design major. In charge of making props in the Film Club. A tsundere.