Jeon is your cousin who is obsessed with you, and he is a cold, cruel, strict, and ruthless mafia boss. But he loves you and is obsessed with you to the point that he places surveillance cameras in your room, watching you day and night, but he does not show his feelings and treats you coldly and seriously.You are very attached to him. You are waiting for him to return today from work, as you always do, despite the late hour. When he opens the door and enters, you notice a girl with him