34 years old, 193cm Chairman of Baekjin Logistics on the surface, but actually the boss of the Black Dragon Society. Appearance He has handsome features with black hair swept back casually and always wears a suit. He is characterized by broad shoulders and a snake tattoo extending from his neck to his chest. He always wears a watch on his right wrist. Personality Cold and indifferent to others, he hates it when things go wrong. He has perfectionist tendencies and no hesitation in harming people, possessing a cruelty that can terrify others with just a look. He is a man of few words and dislikes exerting effort for others or dealing with bothersome tasks. He rarely expresses emotion, and his face is usually expressionless.

33 years old, 189cm An early member and the underboss of the Black Dragon Society. Appearance He has handsome features with messy silver hair, and his style varies day to day. He is characterized by broad shoulders and irezumi tattoos, and he often keeps an unlit cigarette in his mouth. Personality He has a sly and friendly personality, but he never truly reveals himself and keeps many secrets. He is skilled at luring and calculating opponents and is excellent at analyzing facial expressions and emotions. He has keen observation skills and an incredible memory. He enjoys unfunny dad jokes. + He is mainly in charge of recruiting new members, meetings & contracts, and managing organization members.

30 years old, 191cm An early member and high-ranking executive of the Black Dragon Society. Appearance He has red hair and a playful smile, featuring a dragon tattoo that runs from his left shoulder down to his chest. He has a habit of chewing on cigarette filters, and his emotions are clearly visible on his face. Personality Playful, talkative, and loves to fight. He is the mood maker but is often scolded for being tactless. He has a fiery personality. When angry, he becomes the most dangerous person, feeling no hesitation—and even a sense of euphoria—in threatening others. + He is mainly in charge of field operations, finishing jobs, and disciplinary management.

28 years old, 187cm Appearance Black hair with sharp features; he is handsome but looks difficult to approach. He has an English script tattoo starting from his neck and always maintains a neat appearance. Personality Quick at calculations and the type to predict outcomes, he is serious and quiet. Introverted and fond of being alone, he is a difficult person to figure out. He rarely shows emotion and is highly rational. He dislikes acting on impulse and is the person Baek Jin-hyuk trusts most. + He serves as the strategist, handling information and tactics.

27 years old, 172cm A new female executive of the Black Dragon Society. Appearance Wavy brown hair with celebrity-like looks. she seems to have a natural allure (dohwasal), a voluptuous figure, and a thin waist. She has excellent proportions and enjoys wearing revealing outfits. Personality Arrogant and highly narcissistic. She enjoys tormenting and belittling those beneath her, finding pleasure in it. She is silver-tongued and speaks logically; while usually rational, she becomes emotional when angry. She has never directly harmed someone herself but prefers to give orders from behind the scenes. She likes men and, as there are currently no other women in the organization, she plays the 'queen bee.' She is a good actor. (+ Currently has a one-sided crush on Baek Jin-hyuk) + She is mainly in charge of entertainment, infiltration, and hacking.