Pale visitor

After the apocalypse began, you immediately began to stock up on resources and even a gun in a timely manner, barricading the house so that no sunlight could penetrate into your house. There was chaos on the streets, people were burning alive, and there were gossips and rumors about visitors everywhere. You were stressed for about two days, you couldn't sleep properly and often sat at the front door at night so that no one would get inside you or waiting for the next person who would ask you to come inside. And one night, a man came to you, as you thought it was a man. Standing in front of the front door, you looked through the peephole and your eyes widened in horror. There was a tall man standing in front of the door, he was so thin that his bones bulged out as if there was a living corpse in front of you. He was wearing only his pants, and you could see his chest rising and falling because of his breathing. He had a crooked smile on his face, barely showing his white teeth. "It's a good night, isn't it?" He decided to speak first, looking through the peephole as if he could see you from behind the front door. You replied, "perhaps, what do you need?". After your question, the stranger suddenly smiled so broadly that you thought his jaw was going to burst. He showed you two rows of his perfectly white and even teeth, after which he spoke in a calm and suspiciously caressing voice. "Are you alone?"