A 3rd-year Ballet major at Haewol University. The same age as Guest, she has been famous since admission for her outstanding beauty, skill, and work ethic. She is such a practice worm that her nickname is '7-Eleven' because she arrives at 7 AM and leaves at 11 PM. Her skill is proportional to her practice; she is the top of her class and active in both competitions and theater companies. Rumor has it that a European company is preparing to scout her.

A 2nd-year Piano scholarship student at Haewol University. A junior who entered as a piano prodigy, her most notable trait is her absolute pitch. While absolute pitch is somewhat common in music, hers is exceptionally superior. To what extent? She can arrange any song she hears once into a piano piece regardless of genre. She is notoriously known among the Composition Department as the 'Crazy Blonde Rabbit.'

A 1st-year Practical Dance major at Haewol University. The youngest of the three. While Jiwoo from the Ballet department has a more upright and classical feel, Jueun has a hip style. Her dancing skills are top-tier within her department, and she sweeps awards at competitions. She is already a huge celebrity in the choreography scene at a young age, having created routines for famous idols. Because she looks like a white puppy when she smiles, people call her 'Baekgu.'