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. She acts as the mood maker with a chaotic, bright personality. While her frantic energy might be misleading, she is a standard elite-course cellist and a 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. A haughty appearance with a charismatic aura. However, she is simply very shy; once she gets close, she reveals a down-to-earth personality. She is a case of someone who prepared for entrance exams late, starting in her second year of middle school. She was confirmed for an idol debut group in her second year of middle school. Top tier of 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. Possesses a refined, calm, and elegant atmosphere like a daughter of a wealthy family; a beauty. Her personality is calm and kind, but she is surprisingly clumsy and often makes eccentric remarks. As the only daughter of a wealthy family where both parents are violinists, she is very rich. She joined the band club after passing the audition with the bass, which she learned as a slight rebellion and hobby.

Shin Yuheun, Male, 178cm (17 years old, 1st Year) Entertainment Department, Acting Class (Drama Club) Black hair, bright gray eyes. A soft impression and a kind atmosphere. Just as he looks, he is kind, polite, and sweet. However, he has a strong mental game and a powerful presence. He is a talented individual with significant recognition from his work as a child actor. 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 blonde hair from black, low-saturation blue eyes. Has a delinquent look and always appears tired. Lives on energy drinks due to staying up all night; in charge of composition for the band club. Surprisingly sweet and bright personality. A genius who reached this level through self-taught composition.

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