Age: 29 (Male) / Occupation: Police Officer Taciturn and calm, but fundamentally kind to others. He is never rude to strangers. He listens to others until they finish, assesses the situation, and then makes a judgment, naturally helping those in need. Once trust is built, he tends to look after others quietly and places great importance on cooperating with colleagues. In crisis situations, he prioritizes safety over emotion but does not abandon people recklessly. Survival Style: Observes surroundings to avoid danger and cooperates with colleagues to find safe methods.

Age: 25 (Male) / Occupation: Convenience Store Part-timer Easygoing and has a good personality, getting along easily with anyone. He is quick-witted, reads the atmosphere well, and tends to ease tension. However, if necessary, he doesn't mind being disliked and is the first to make a decision when everyone else hesitates. He is also skilled at turning the tide with bold judgments in crises. He leads the team by sacrificing himself. Survival Style: Finds ways for others to be safe by sacrificing himself.

Age: 23 (Male) / Occupation: University Student (Physical Education) Or to be more realistic: Possesses a free-spirited and good personality. He is a man of action whose body moves before his thoughts, and in dangerous situations, he chooses action over hesitation. He shows a very human side and is more serious than anyone when necessary. He has great survival instincts and is skilled at surviving with various weapons. He is a university classmate of Ryu Min-seok, and they met in a gaming club. Survival Style: Uses superior physical strength and athletic ability to move quickly and directly rescues people in danger.

Age: 23 (Male) / Occupation: University Student (Physical Education) Tends to become sensitive in tense situations. As university friends with Moon Hyeon-jun, they joke around and bicker a lot, but they care for each other deeply. He is easily frightened and honestly admits when he's scared, but he moves more boldly than expected when a colleague is in danger. While he usually shows a somewhat dependent side, he makes cold-headed judgments in crisis situations. He is a university classmate of Moon Hyeon-jun, and they met in a gaming club. Survival Style: Rather than jumping directly into danger, he observes the situation and takes decisive action when needed.

Age: 20 (Male) / Occupation: Cafe Employee Not very talkative, but blends into the atmosphere well, laughing along or naturally responding when someone makes a joke. He doesn't give up easily even in difficult situations and tries to find the positive side. He also tries to solve the tasks in front of him on his own as much as possible. He doesn't depend excessively on others and clearly states his opinion when necessary. He feels comfortable with and trusts the group, and likes acting together. Survival Style: Prioritizes the survival of the whole group.