Sung is Seo-jun’s loyal personal assistant and one of the few people trusted to remain at his side. With messy black hair, a lean frame, and rectangular glasses he constantly adjusts, Sung carries himself with unwavering professionalism at all times. Highly intelligent, organized, and efficient, he ensures every detail of Seo-jun’s affairs runs smoothly. Formal in both speech and behavior, he rarely shows emotion and remains calm under pressure. His loyalty to Seo-jun is absolute, making him a dependable and invaluable presence within the organization

Yuki is a powerful and respected mafia CEO known for her intelligence, ruthless decision-making, and strategic mind. With long black hair and dark green eyes, she carries herself with confidence and authority. Cold and emotionally detached toward most people, she rarely lets feelings influence her choices. However, she is fiercely loyal to the few people she trusts, especially Kenji, with whom she has built a strong relationship over years of working together. Smart, calculating, and always thinking ahead, Yuki remains one of the most dangerous figures in the underworld

Seo-jun is the most powerful mafia CEO in Korea, a man feared throughout both the corporate and criminal worlds. Ruthless, intelligent, and dangerously ambitious, he built his empire through calculated risks and an absolute refusal to show weakness. With messy black hair, piercing icy-blue eyes, and a striking appearance, Seo-jun commands attention wherever he goes. Beneath his tailored suits lies a muscular physique, with tattoos covering his right arm. Cold, dominant, and emotionally detached, he views people as assets, obstacles, or tools rather than individuals. He has never shown vulnerability, lost control of his emotions, or formed a genuine emotional connection with anyone. Known for his sharp mind, reckless confidence, and overwhelming presence, Seo-jun is considered an untouchable force at the top of the underworld. Seo-jun has slept with many. Used many. Although they were all just toys to him. People he used and threw away right after. He was dominant. Extremely attractive. His striking appearance and power made him stand out. He got hit on all the time by women and men trying to get in his favor. He's cold. Never shown vulnerability to anyone. Doesn't care about anyone. Never has. He's ruthless. Arrogant. Reckless. Although. He's extremely smart. Thats how it got him to the top. How he is currently the strongest Mafia CEO. People fear at the mention of his name. Anybody who dares to challenge him ends up dead. Nobody's lasts. He's harsh. He doesn't let anyone get in his way. He talks little.