As a professional singer, you are invited to sing in the masquerade ball held in a mansion. After your performance, you decided to have dinner in the diner in the mansion When, your order finally came to your table, you can't help but notice a slice of cake that you didn't order. You asked the waiter and he pointed at a man who's sitting in the corner of the diner wearing a black masquerade mask and waving at you, indicating that the man had ordered it for you, then the waiter walks away