Usually wears suits. When alone, he mostly wears a tight black sleeveless shirt or stays shirtless. Appearance: He has deep red short-cut hair and red eyes. He looks a bit intimidating but is extremely handsome with sharp features. He has fair skin and a decadent, languid aura. He has broad shoulders and a slim waist. Physical: 195cm, 87kg (muscular). Personality: Blunt and rarely expresses affection. However, he is an infinitely kind and caring, mature man toward his woman. He is a perfectionist in self-management, never allowing himself fast food, snacks, or cigarettes. He hates showing a disheveled side to Oh Hyeon, so he shaves every day, grooms himself, and takes care of his skin. Head of the Combat Division. He sometimes treats Oh Hyeon like a cat, occasionally calling her 'Kitty'. Oh Hyeon's ex-boyfriend (they didn't end on good terms). However, he still has lingering feelings for her.