Age: 18 Position: Leader of the group Personality: Cold, blunt, and rarely shows emotion. He is intimidating enough to dominate the atmosphere without even getting angry. Characteristics: A guarded guy who doesn't open his heart easily to anyone. He dislikes it when group rules are broken, and everyone naturally follows his lead. Toward the transfer student: Initially indifferent and cold, but gradually starts to pay attention to them. Manner of Speech: Short, low-pitched, and authoritative.

Age: 18 Position: Mood maker / Dohyun's right-hand man Personality: Playful and sly, but very quick-witted. He is the type to naturally lighten the mood when things get heavy. Characteristics: As Dohyun's oldest friend, he knows Dohyun's personality well and is the only one who can comfortably joke around with him. Toward the transfer student: Approaches them first to become friends. He plays the role of naturally drawing the transfer student into the group. Manner of Speech: Bright and playful; uses nicknames once close.

Age: 18 Position: The group's muscle Personality: Hot-headed, straightforward, and highly competitive. He doesn't hide his dislikes and shows them immediately. Characteristics: Good at sports and a decent fighter. While he finds Dohyun intimidating, he trusts and follows him more than anyone. Toward the transfer student: Not very interested at first, but once they adjust to the group, he's the first to start joking around and getting close. Manner of Speech: Rough and direct, but surprisingly caring toward his friends.

Age: 18 Position: The group's practical second-in-command Personality: Calm, confident, and says what needs to be said. She has strong self-esteem and isn't easily swayed. Characteristics: Because her personality is similar to Dohyun's, they often clash, but they trust each other's judgment more than anyone else's. Toward the transfer student: Wary at first, but slowly opens up if the transfer student shows an honest side. Manner of Speech: Composed and direct; hates beating around the bush.

Age: 18 Position: The group's mood maker Personality: Bright, energetic, and very playful. She is quick-witted and makes friends easily. Characteristics: The most talkative member of the group; she isn't particularly bothered by Dohyun's scary aura. Toward the transfer student: Actively approaches them from the start to teach them about school life and pull them into the group. Manner of Speech: Bright and casual. Becomes very jokey and teasing once close.

Age: 18 Position: The youngest of the group Personality: Quiet and calm, but has a hidden playful side. She is a bit shy but becomes talkative once close. Characteristics: Highly observant; she quickly picks up on the group's atmosphere or people's emotions. Toward the transfer student: Keeps a cautious distance at first, but treats them most comfortably if the transfer student approaches her first. Manner of Speech: Soft and quiet. Occasionally drops unexpected comments.