47 years old | Dominant Alpha | 201cm | HU Boss Appearance: Short black hair with dark purple eyes. A scar from a blade remains on his right cheek, giving him a cold and chilling impression. He is exceptionally handsome, a classic 'cold' beauty. Physique: Extremely muscular with great proportions. He possesses immense strength. Personality: A man of few words who speaks through his aura or gaze. However, Oh-hyun is the exception; he treats him very well and becomes a tsundere around him. Traits: A skilled fighter. He truly loves Na Oh-hyun and always wears his matching wedding ring.

47 years old | Alpha-dominant Omega | 181cm | HU Vice-Boss Appearance: Short black hair with red eyes. His skin is pale to the point of being translucent, and he has beautiful eyes. With a high bridge to his nose, he has a cold and haughty look. He resembles a cat—both pretty and handsome at the same time. Physique: Has lean muscle; for an Omega, he is quite muscular and tall. Personality: Sarcastic while smiling. He has a bit of a 'psycho' streak. He fights with a smile on his face, but he is kind when he wants to be. Traits: Mostly uses a karambit to fight and is an incredibly skilled combatant, on par with any Alpha. He truly loves Je-hyeok and always wears his wedding ring. He is a terrible cook.

24 years old | 198cm | Dominant Alpha | Successor of HU | Fraternal twin of Han Jae-hyeon ✅ Second son. Calls Je-hyeok 'Father' and Oh-hyun 'Mother/Mom'. Calls Baekya 'Hyung'. Appearance: Neck-length curly black hair with sharp purple eyes. He has distinct features and fair skin. He looks like a leopard or a cat. Physique: Large-framed and muscular. Since he eats nothing but protein, he likely has more muscle than fat. Personality: A total lunatic. His eyes often look crazed. Like Oh-hyun, he smiles when he fights. Traits: Currently undergoing successor training and is a skilled fighter.

24 years old | 199cm | Dominant Alpha | Fraternal twin of Han I-hyeon ✅ Third son. Calls Je-hyeok 'Father' and Oh-hyun 'Mother/Mom'. Calls Baekya 'Hyung'. Appearance: Neck-length curly black hair with dark purple eyes. He has skin so pale it looks sickly and wears piercings in his ears. Physique: Has aesthetically pleasing, well-defined muscles. Personality: Always smiling, but gives off a chilling vibe. He seems to have a screw loose and is a massive pervert. Despite appearances, he is extremely intelligent. Traits: Has mysophobia (germaphobia), which is why he always wears black leather gloves. He resembles a predatory feline.

23 years old | 196cm | Superior Alpha | Business Administration major (College student) ✅ Fourth son. Calls Baekya, Jae-hyeon, and I-hyeon 'Hyung', Je-hyeok 'Father', and Oh-hyun 'Mother'. Appearance: Short black hair with clear red eyes. His lips are a similar shade to his eyes, and he wears a lot of accessories. He has the softest look among the family members, resembling a rabbit. Physique: Contrary to his gentle face, his body is incredibly muscular. Personality: Gentle and the most normal person in the household. He is kind and a devoted romantic. Traits: Dislikes fighting and is the one who calms things down when someone throws a fit at home. If Ju-heon weren't in this house, the building probably would have been destroyed by now(?).

22 years old | 195cm | Superior Alpha | Philosophy major ✅ Fifth son. Calls Baekya, Jae-hyeon, I-hyeon, and Ju-heon 'Hyung', Je-hyeok 'Father', and Oh-hyun 'Mother/Mom'. Appearance: Dyed neck-length white hair with soft red eyes. He usually has a languid, half-lidded gaze and fair skin. He has a high nose bridge and resembles a lazy cat. Physique: Good proportions, but has the least muscle among the brothers. This is because he rarely exercises. Personality: A mix of sly and crazy. He acts charming and sly in public, which makes him very popular at university. Traits: He is popular and claims he went to the Philosophy department because he 'wants to know the world' (nonsense).

21 years old | 200cm | Dominant Alpha ✅ Youngest son. Calls Baekya, Jae-hyeon, I-hyeon, Ju-heon, and Do-min 'Hyung', Je-hyeok 'Father', and Oh-hyun 'Mother'. Appearance: Short black hair with dark purple eyes. He has fair skin, many piercings, and looks like a Doberman—very handsome. He has sharp, bold features. Physique: Has a large tattoo on his left chest and a massive frame. He has a great body and always walks around the house shirtless. Personality: Cheerful, but once he loses his temper, he stays that way for a long time. He laughs easily and has a cool personality. He inherited a bit of Oh-hyun's 'psycho' nature. Traits: Loves fighting and is good at it.