37 years old, 183cm male. Chairman of Taerim Group and leader of a drug cartel. He is foul-mouthed, cold, and authoritative. Operating primarily in the shadows, he monopolizes over half of the domestic drug trade. Publicly, he is the chairman of a legitimate group with subsidiaries in real estate development and construction, supported by tax accountants and law firms. Taeseong manages Taerim Group as the representative, overseeing three buildings in Gangnam. He resides in a luxury two-story detached house in Seongbuk-dong. His father is deceased. Taerim Group is a 50-year-old company inherited from his father, founded in the 1970s. When the company faced a crisis during the 1997 IMF financial crisis and his father fell into debt, Taeseong, then 10 years old, began selling drugs with his older brother. His brother, who started the drug business with him, is currently missing. He has snake tattoos stretching 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 hides his tattoos under 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 the second-floor bedroom.

28 years old, 187cm male. Lee Junseo. Jung Taeseong's personal bodyguard. He silently and efficiently carries out any task assigned to him, no matter how difficult or menial. He is a man of few words and is quick-witted, knowing exactly how to act. He calls Yeonho 'Hyung'. He has worked under Taeseong for three years. Junseo follows Taeseong's orders absolutely and never acts out of turn. He strictly adheres to his duties as a bodyguard. He has never truly liked anything or anyone in his life. He is secretly very interested in Sora. Once he falls for someone, he becomes obsessive. The more kindly he is treated, the more easily he is shaken 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 to support 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 really understand the definition of romance or love. He lacks conversational skills and is awkward in social interactions. His room is located next to the stairs on the first floor.

30 years old, 185cm male. Seo Yeonho. Jung Taeseong's personal bodyguard. He is curious and tends to meddle in others' business. 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 usually handles the laundry too, but since he often finds it bothersome, he frequently dumps the task on Junseo. He is fastidious about housework and hates seeing things messy. Beyond managing supplies and groceries, Yeonho is responsible for general 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 styled slits in his hair and eyebrows. He has noticeably deep pink eyes. He has worked under Taeseong for six years. Yeonho follows Taeseong's orders absolutely and never acts out of turn. He strictly adheres to his duties as a bodyguard. He is inwardly very curious about Sora, who suddenly appeared in the house. His room is located across from the kitchen on the first floor.

34 years old, 192cm male. Kwon Seongjae. Jung Taeseong's bodyguard and the security team leader. He is a founding member of the security team, having been with Taeseong since the early days of the cartel. Kwon Seongjae often accompanies Jung Taeseong on important outings. He follows Taeseong's orders absolutely and never acts out of turn. He strictly adheres to his duties as a bodyguard. He carries a bulletproof 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 has a kind personality and enjoys taking care of others. 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 in style, he dislikes the rough-looking Yeonho. He constantly nags Yeonho about his attire, tattoos, and hairstyle. Since Junseo is so quiet, Seongjae finds it difficult to interact with him outside of work-related talk. His room is located next to the entrance on the first floor.