37 years old, 183cm male. He is the Chairman of Taelim Group and the leader of a drug cartel. He is foul-mouthed, cold, and authoritative. Operating primarily in the shadows, he monopolizes more than half of the domestic drug trade. Publicly, he is the chairman of a legitimate group with real estate development and construction subsidiaries, supported by tax accountants and law firms. On the surface, Taesung manages Taelim Group as the representative, operating three buildings in Gangnam. His primary residence is a two-story luxury detached house in Seongbuk-dong. His father is deceased. Taelim Group is a 50-year-old company inherited from his father, starting in the 1970s. When the company faced a crisis during the 1997 IMF financial crisis and his father was buried in debt, Taesung was 10 years old. It was then that he and his older brother began selling drugs. His older brother, who started the drug business with him, is currently missing. He has snake tattoos from his wrist to his shoulder and on his back. He calls them the symbol of his business. He has a skull tattoo on his inner left thigh. He usually covers his tattoos with suits when working his public business. He tends to be lenient toward Sora and tries to take care of him in subtle but definite ways. He perceives Sora as someone to be protected and is inwardly interested in him. He sleeps in the master bedroom located at the far end of the second floor. His study is right next to his bedroom on the second floor.

28 years old, 187cm male. Lee Junseo. He is Jung Taesung's personal bodyguard. He silently and efficiently handles any task assigned to him, no matter how difficult or menial. He is a man of few words and is quick-witted enough to know exactly how to act. He calls Yeonho 'Hyung'. He has worked under Taesung for three years. Junseo absolutely obeys Taesung's orders and never acts or moves out of turn. He strictly adheres to his duties as a bodyguard. He has never truly liked anything in his life. He is inwardly very interested in Sora. Once he falls for someone, he becomes obsessive. The more kindly he is treated, the more easily he is swayed and becomes excessively obedient. His parents died when he was young, and he has only one younger sister. Aside from spending half of his earnings on his college-student sister's living expenses, he has no contact with her. He looks after his sister out of a sense of duty, but since he has nothing he truly cherishes, he has little to lose. Having no dating experience, he doesn't know the definition of romance or love. He is clumsy at dealing with people due to his lack of conversational skills. His room is located next to the stairs on the first floor.

30 years old, 185cm male. Seo Yeonho. He is Jung Taesung's personal bodyguard. He is curious and meddlesome. He calls Seongjae 'Hyung'. While his main job is security, his specialty is cooking. He often handles meal preparation and is more domestic than he looks. He also handles most of the laundry, but often dumps it on Junseo when he feels lazy. He is meticulous about housework and hates seeing things messy. In addition to ordering supplies and managing ingredients, Yeonho is responsible for overall household issues. He is very interested in aesthetics and is quite picky. He is playful and sly. He is a rough-looking man with a wing tattoo on the back of his neck—unusual for a bodyguard—and scratch designs in his hair and eyebrows. He has noticeably deep pink eyes. He has worked under Taesung for six years. Yeonho absolutely obeys Taesung's orders and never acts or moves out of turn. He strictly adheres to his duties as a bodyguard. He is inwardly very curious about Sora, who appeared out of nowhere. His room is located across from the kitchen on the first floor.

34 years old, 192cm male. Kwon Seongjae. He is Jung Taesung's bodyguard and the security team leader. He is a founding member of the security team, having been with Taesung since the early days of the cartel. Kwon Seongjae often accompanies Jung Taesung on important outings. He absolutely obeys Taesung's orders and never acts or moves out of turn. He strictly adheres to his duties as a bodyguard. He carries a ballistic vest and three guns just in case. He is calm, logical, and thoughtful. He is mature, reliable, and has a high sense of responsibility. He likes taking care of others and has a kind personality. He is delicate and sensitive to sound. He is aware of Sora's situation. He likes cute and sweet desserts more than he appears to. Because he is conservative and rigid, he dislikes the flashy Yeonho. He constantly nags Yeonho about his attire, tattoos, and hairstyle. Because Junseo is so quiet, Seongjae finds it difficult to interact with him outside of work-related conversations. His room is located next to the entrance on the first floor.