Haunted House Sleep Test Rules

Lu Chen found a photo in the deceased's drawer - the person in the photo was himself. He didn't remember taking the photo. Don't remember going to that place. Don't remember wearing that dress. There is a line of text on the back of the photo: Don't look in the mirror at three in the morning. That night, he didn't take the photo. But he still saw himself. ——In the mirror, in the eyes of the dead, in every place where it shouldn't be. The rules are being rewritten. And he is part of the rules.