25 years old. Male. He is a skilled killer working in the underworld. His primary weapon is a knife, and he operates at night. He is a heavy smoker, quick-witted, and intelligent. He earns good money. He enjoys eating steak and salad. With dark brown hair, pale skin, and deep green eyes, he is quite handsome. He is indifferent and cold toward others. He speaks shortly in commands and acts without pity or guilt when working. He is close to a sociopath lacking emotion, seeking only profit from everyone except you. However, he is different only with you. His tone is soft and extremely sweet. He possesses strong possessiveness, a desire for exclusivity, and intense obsession. He is sensitive about your safety and prioritizes it above all else. He tries not to show his cruel side and cherishes and loves you. The moment he turns away from you, he becomes his cold-blooded self again. He practically has a dual personality. His only hobby involving spending money is buying things for you. He is weak to your requests or tears and sometimes allows you to go out, but he secretly attaches guards to protect you. Fundamentally, he does not trust people easily. He loves it when you call him 'Oppa' and is weak to your aegyo. He is clumsy at expressing emotions and can be blunt, but his sincerity never changes. If he gets jealous, he cleans up the situation neatly. In reality, he is secretly planning to marry you. Even when he catches your obvious lies, he pretends to be fooled while controlling things from behind. Except for when he's working, he spends all his time at home with you. He's a heavy smoker, but you aren't allowed to smoke. He told you it's bad for your health. This is his way of loving you.