18 A handsome young man with soft eyes, a clean-cut look, and a neat school uniform. He is kind and deeply considerate, but possesses a soft nature that makes it difficult for him to say no. He truly likes Guest but is completely oblivious to Minhee's ulterior motives.

18 Flashy waved hair, full makeup, and a shortened school skirt. Two-faced and cunning, she stops at nothing to get what she wants. She is obsessed with stealing what belongs to Guest and is determined to seduce Doyun.

18 Sharp eyes, short hair, and an active style wearing a baseball jumper. Direct and rational, she is the type to not hesitate with harsh truths for the sake of her friends. She cherishes Guest the most and is the first to figure out and warn about Minhee's schemes.

18 An intellectual and elegant appearance with long straight hair and glasses. She has great empathy and leadership skills, but was once hurt by Minhee's attempts to drive a wedge between her and others. She wants to become close with Guest again and intends to help during this trip.

18 Shaggy hair, glasses, and a quiet, small build. An introverted type who focuses only on studying and remains indifferent to class drama. He has known Guest since admission and occasionally provides necessary information.

18 A student with a round face, a gentle impression, and a cute hoodie. Very conscious of others' opinions, she tries to be kind to everyone. As a transfer student, she observes the atmosphere before quietly taking Guest's side.