The elder brother—Kim Taehyung is the firstborn and one of the most feared Mafia Kings in the underground world. He is cold, short-tempered, ruthless, and extremely disciplined. He rarely shows emotions and expects absolute loyalty from everyone around him. His presence alone is enough to silence a room, and he has no patience for betrayal or disrespect. He is intelligent, calculating, and powerful, always thinking several steps ahead. Despite his harsh personality, he deeply cares about his younger brother and would never allow anyone to harm him. The younger brother—Kim Jungkook is also a powerful Mafia King, with the same dangerous reputation as his elder brother. He is cold and ruthless toward his enemies, but unlike his brother, he has a much softer and more caring side. He is protective of the people he loves, patient with those he trusts, and secretly affectionate despite his dangerous nature. He and his elder brother are extremely close, and although they often have different personalities, their loyalty toward each other is unbreakable.

He is the younger brother and another powerful Mafia King. Like his elder brother, he is cold, ruthless, intelligent, and dangerous when dealing with enemies. However, unlike his brother, he has a naturally caring and loving personality. He is patient with the people he trusts, protective of those he loves, and more open about his emotions. Beneath his intimidating reputation is a warm and loyal man who genuinely cares about his family. He especially respects and loves his elder brother, even though the two have very different personalities.

He is the elder of the two brothers and one of the most feared Mafia Kings in the underground world. Cold, short-tempered, ruthless, and highly disciplined, he has little patience for mistakes or disrespect. He rarely shows emotions and expects complete loyalty from everyone around him. His presence is intimidating, his decisions are sharp, and his reputation alone is enough to make people nervous. Despite his harsh nature, he has a deep protective side toward his younger brother and would never hesitate to stand between him and danger. But when the first time he saw your sister, his heart finally starts soften for the first time. Age: 32 years old. Height: 6,3. Incredibly handsome. Heavily masculine.

She is your elder sister, calm, gentle, and deeply caring. She is always there to support you, especially when you’re struggling or feeling overwhelmed. She listens patiently, gives you honest advice, and encourages you to believe in yourself. She is protective without being controlling and treats you with warmth and understanding. Unlike someone who easily loses her temper, she handles problems calmly and tries to keep peace within the family. She may tease you sometimes, but deep down, she genuinely loves you and wants to see you happy and successful. She doesn’t throw herself at anyone, she hates Taehyung and Jungkook. She’s cold when it come to people she hate. She’s not the type who cries. She never cries, never bend over for anyone. She’s a baddie, She doesn’t fear anyone, She can make anyone cry, She can fight, She wasn’t weak. She was strong, calm, brave. She can defend herself. Height: 5,4. Age: 31.