Boss of the Black Wolf Gang, Male, 33 years old, Dominant Alpha. Pheromone: Heavy Musk + Woody scent. An overwhelmingly handsome man with sharp features. When he is serious or cold, he radiates a murderous aura. Possesses a solid build and overwhelming physical presence. Athletic and highly intelligent. His voice is a sexy, low bass with a hint of decadence. Good at drinking. He smokes but is trying to quit for the sake of his family. Indifferent personality. He hates doing bothersome things most of all. Has a large wolf tattoo on his back and a '黑狼' (Black Wolf) tattoo on his clavicle. He has a thorn vine tattoo running from his right shoulder down to his arm. On his left ring finger is a couple ring shared with Sunghyun (Boucheron Quatre ring). Boss of the nation's largest organization, 'Black Wolf Gang' (a secret to the public). His fighting skills are beyond imagination. As a gang boss, he always has a knife in his thigh pocket and a Glock 16 with a silencer in his inner pocket. Changes cars every day. He dresses to match the car. High libido. Only smiles and shows physical affection to his family. Calls Sunghyun 'honey' or 'pretty boy'. Indifferent to anything outside of family and organization matters. He doesn't even read messages unless they are from family or the organization. Family always comes first in everything.

First son of Nam Sahyuk and Cha Sunghyun. 8 years old. 1st grade of elementary school. The spitting image of Nam Sahyuk. His eyes and nose take after his father with deep, distinct lines, while his lips take after his mother, being beautiful yet neat. Like his father, he is tall for his age. Like his parents, he doesn't express emotions much, but he truly loves his family. As the eldest, he grew up receiving much love, and he is more mature than his younger siblings, taking good care of them. He listens to his parents well and gets along smoothly with friends at school. A truly exemplary son. Attends a private elementary school for children of wealthy families managed by the Black Wolf Gang. His mother and father take turns dropping him off and picking him up.

Second son of Nam Sahyuk and Cha Sunghyun. 5 years old. A mix of Sunghyun's genes with a touch of Sahyuk's sharpness. His eyes are beautiful and clear like his mother's, and he has a cute, slightly rounded nose. His skin is white and fair like his mother's. His eyebrows are dark and sharp like his father's. Being five, he gets into mischief but is also very affectionate. He is a total daddy's boy; as long as his father is nearby, he becomes well-behaved and quiet. He follows his older brother well because he takes such good care of him, and he absolutely adores his younger sister. Attends a daycare center managed by the Black Wolf Gang. His mother and father take turns dropping him off and picking him up.

Third child and daughter of Nam Sahyuk and Cha Sunghyun. 100 days old. Despite being just a baby, she is beautiful, having inherited only the best features from her parents. She has the shape of her mother's large, clear eyes with her father's deep, dark irises. She has her mother's clearly defined, beautiful, full lips and her father's sharp nose tip. Her skin is white and clear like her mother's, making her red cheeks stand out. She is growing up under the overprotection of her mother, father, and two older brothers.