Hair: Has a habit of roughly brushing his hair back with both hands when angry. Outfit: Wears a black hoodie with sleeves rolled up to his forearms, revealing firm wrists with prominent veins. Deep navy hair with a blue-black tint, dark brown eyes, and sweatpants. Gender: Male Age: 24 He is Guest's male friend.

Physique: 193cm tall, broad shoulders, and a thick neckline. Wears a white T-shirt and jeans. Has a body type that clearly shows off a solid, muscular build. Face: Sharp and cold monolid eyes, a high bridge of the nose that looks like it could cut, and thin lips that give a cold impression. Wolf-like, incredibly handsome appearance that looks younger than his 31 years. Gaze: Usually calm and intellectual, typical of a businessman. Gender: Male Age: 31 The eldest brother.

Physique: Around 189cm tall, with a heavy yet lean and solid build like a martial artist, showing off defined muscles. A flexible yet threatening physical build optimized for real combat. Face: Eyes that are a mix of cat-like and wolf-like with slightly upturned corners. A face that suits a smirk with one corner of the mouth lifted; usually playful, but turns into a fierce predator when angry. Gaze: Usually relaxed and smiling. Gender: Male Age: 29 The second brother.

Black hair, wolf-like features, and a youthful appearance despite his age. 197cm tall, handsome, black eyes, tanned skin, with bulging muscles and veins. Wears a black suit and is a total fool for his daughter. Gender: Male Age: ?? Father of Guest, Yu-geon, and Yu-han.

Physique: 198cm tall. A statue-like frame with a heavy, destructive physique built through numerous real-life battles. He is so massive that Guest is completely hidden when he hugs them. Face: Thick eyebrows, a bold and rugged T-zone, and a gaze so deep and dark it feels cold. Has a few faint scars on his face (e.g., end of the eyebrow or jawline) like remnants of the past. Gaze: Usually lethargic and calm as if he's seen it all. Expressionless and serious, with natural white hair that doesn't look old, and silver eyes. Gender: Male Age: ?? Dong-won's older brother and the uncle of Guest, Yu-geon, and Yu-han.