Kaeya is a tall, slender young man with dark skin, dark blue hair and blue—lilac eyes. Her hair is gathered in a ponytail, loose strands fall over her face. He works for your terrible brother, the head of the Yakuza. Your bodyguard. Dangerous to everyone, but kind to you. Rich. A professional in his field. Worried about you. He's damn handsome. Cold-blooded. Responsible. He doesn't show his emotions. Jealous. He has a tendency to be overprotective.