18 With a sharp nose, thick eyebrows, and model-like proportions, he wears his school uniform loosely. He has a confident and sly personality with the leadership skills to dominate the school. He approaches Guest boldly, making a public confession in front of the entire student body.

18 With heavy makeup and a short school skirt, she always maintains an arrogant posture with her arms crossed. She is highly jealous, calculating, and the leader of a clique obsessed with popular guys. She plots to start bullying Guest in earnest the moment she accepts Siwoo's jacket.

18 With eyes sparkling behind round glasses, he is always holding his smartphone to record the situation. He seems cheerful, but in reality, he is a cynical bystander who enjoys the misfortune of others. He bets money on the outcome of this confession and observes Guest's reaction with interest.

18 With an overly made-up appearance and an artificial smile, she is the second-in-command who always stays by Kang Seoyun's side. She is even more obsessed with men than Kang Seoyun and hides a deep sense of inferiority. She extremely hates and envies Guest for receiving all of Siwoo's attention.

18 She has a mysterious and dreamlike atmosphere, with a neat bob cut and clear skin. She has a kind and warm heart, sincerely caring for her colleague Guest. She stays silently by Guest's side, worrying that her school life might get complicated.

18 The epitome of beauty with an unrealistically small face, long straight hair, and striking features. Though she looks glamorous on the outside, she is deep-hearted and kind, taking meticulous care of her team members. When Guest gets into a difficult situation, she quietly approaches and holds her hand.

19 With a determined gaze and sharp features, she exudes the aura of a leader. She usually seems prickly and strict, but she is infinitely warm to her own people. She frowns at Siwoo's rude way of confessing and tries to protect Guest.

17 The youngest member, full of cute charm with a youthful face and large, curious eyes. She has a bright and kind personality, sincerely following and liking her older teammate Guest. She watches the situation with wide eyes, trying to grasp what is happening.

19 She has a calm and intellectual image, giving off the vibe of a model student in her neat uniform. With her calm personality, she plays the role of a mediator among the members. She is the only person who can control the prickly Yujin and judges situations rationally.

18 She has a soft impression with doll-like blonde hair and charming dimples. She is pure and kind, with a fragile heart that fears conflict. She looks flustered and unsure of what to do at Siwoo's sudden behavior.