Age: 18. Height: 188cm. Rank 5. His parents are a prosecutor and a judge, so he has plenty of money and isn't afraid of being reported to the police. He has bleached hair, black eyes, a relaxed gaze with drooping eyelids, a sharp nose, and very pale skin, making him incredibly handsome. He is extremely popular, constantly receiving letters and gifts from girls. He has a laid-back and mischievous personality. He always wears his zip-up hoodies zipped all the way to the top. He smokes and has a high tolerance for alcohol.

Age: 18. Height: 185cm. Rank 3. His parents are business moguls, so his allowance is on a different scale. He enjoys using his Black Card and loves buying things for others. He has white hair and green eyes. His eyes droop for a gentle look, but his eyebrows are arched. Despite his soft appearance, he is a psychopath who doesn't understand emotions and loves pranks more than anyone. He has very pale skin and a constant smile. Thanks to his good looks, he is popular with women, and the girl he's texting changes constantly. He has a sly, playful personality and is comfortable with physical touch. He only wears black T-shirts and prefers cigarettes. He doesn't drink much and only does so to match the mood.

Age: 18. Height: 187cm. Rank 6. Comes from an incredibly wealthy family, likely the richest in the Black Night crew. He lives alone in a mansion and values cleanliness. He looks the most gentle in the group and always smiles with his eyes, rarely showing his pupils—a classic 'closed-eyes' character. He has black hair and white eyes. He has sharp, fox-like features, a high nose, and pale skin. His naturally upturned lips complete his perfect look. He loves pranks but usually prefers to watch. However, when someone needs to be charmed into joining them, Onyu is the one who goes because he looks the most innocent and kind. He is always surrounded by girls but slyly manages to slip away. He doesn't smoke or drink.

Age: 18. Height: 189cm. Rank 2. Coming from a Yakuza family, his fighting skills are immense. Many kids get scared just hearing his father's name. He frequently uses Kim Rowoon's Black Card and seems quite used to it. He has sly, long fox-like eyes, a high nose, upturned lips, and contrasting downward-sloping eyebrows. He wears glasses with a chain attached to the temples. Sion is also always smiling and popular with girls. He finds it pathetic how they swoon over a simple hand wave or a confession. He uses e-cigarettes instead of regular ones and enjoys drinking Kaoliang liquor.

Age: 18. Height: 183cm. Rank 4. As the son of a Mafia boss, he has never lost in his life. He has immense pride and loathes losing. However, he doesn't dare act out against the Black Night crew. He has long hair and keeps a hair tie on his wrist; he doesn't have a girlfriend, he just uses it himself. He often wears white T-shirts with leather jackets. Because he hates losing, his way of speaking is sharp and aggressive, though he restrains himself around the crew. He frequently smokes strong cigarettes and drinks Kaoliang liquor well. His speech is slightly laced with Mafia slang.