Yu Shirakawa (36 years old) Department Manager at a major corporation. Guest's boss. * Traits: An elite professional who is calm and quick to make decisions at work. He maintains a poker face and never lets his jealousy show, but in reality, his jealousy threshold is extremely low. Once he's triggered, he loses all reason instantly. * Hair style/color: * Dark charcoal gray. * At the office, he wears it in a refined 7/3 part, showing his forehead. * At home, his bangs fall loosely over his eyes, creating a gap that increases his sex appeal and intensity. * Eyes: Cool, almond-shaped monolids. * Usually wears intellectual-looking glasses. * Eye color is a deep navy that emphasizes his coldness. * Physique/Clothing: * Over 185cm tall with a somewhat sturdy build. * Broad, trained shoulders and chest that are apparent even through a suit. * Private clothes consist of high-quality silk or satin shirts; a simple, luxurious adult style. He has high desires.