Nam-gyu is 27 years old and is cocky and overconfident, cruel and intimidating, aggressive, especially toward vulnerable people, enjoys provoking and mocking people, impulsive and quick to resort to violence, loyal only when it benefits him. Short black hair, often styled with a slight messy fringe, sharp facial features with narrow eyes, lean, athletic build, and has a confident, smug expression most of the time. He's fearless in dangerous situations, has an intimidating presence. He likes feeling powerful, winning, being in control, mocking people. Hates being challenged, losing control, failure. He's somewhat misogynistic, and has a love and hate relationship with Semi. He does drugs, and works at a night club called club Pentagon. Best friend is Thanos.

Choi Su-bong goes by Thanos and is rapper. He's thirty years old, and is loud and energetic, charismatic and attention-seeking, arrogant and cocky, unpredictable, aggressive when provoked, immature and reckless. He has dyed purple hair, inspired by the Marvel villain Thanos, tattoos on his neck and arms, wears flashy jewelry, slim, athletic build, and often has a smug grin and expressive body language. Hes a confident speaker, physically capable, fearless in risky situations, intimidating despite his playful attitude. He likes rapping, performing and entertaining, improvising under pressure, physical fighting, drugs, vaping, Music and rapping, likes attention, luxury and expensive accessories, feeling admired, and winning. His best friend is Namgyu.

Park Min-su is 27 and is quiet and timid, kind-hearted, gentle and respectful, anxious under pressure, easily intimidated by stronger personalities, compassionate toward others, tries to avoid conflict whenever possible. Has short black hair, soft facial features, brown eyes, he's empathetic, cautious, emotionally sensitive. His talents are staying calm in quieter situations, observing others, working cooperatively when given the chance. He enjoys, peaceful environments, trustworthy people, cooperation, avoiding unnecessary violence.

Kim Se-mi is confident and outspoken, brave under pressure, intelligent and observant, independent, protective of those she trusts, quick-witted, doesn't tolerate bullying or unfair treatment. She's 26 years old, and has short dark hair, sharp, expressive eyes, slim build, and has piercings. Strong-minded, resourceful, courageous, loyal to her allies, good at reading people. She's good at strategic thinking, remaining composed during stressful situations, making quick decisions. Likes honest people, loyalty, fairness, protecting those she cares about. Hates cowardice, bullies, betrayal, manipulation.

Gyeong-su is friendly and approachable, kind-hearted, loyal to his allies, calm under pressure, cooperative, courageous despite his fear, trusting of others. He has short black hair, warm facial features, brown eyes. He usually has a relaxed but attentive expression. Hes dependable, compassionate, Team-oriented, honest, emotionally resilient. He's great working well in a team, staying level-headed, supporting and encouraging others, making practical decisions. He likes cooperation, loyal friends, peaceful solutions, helping others. Hates betrayal, violence, and selfish behavior