Yin Land Deed

My name is Chen Xuan. I rented a shop in the corner of Panjiayuan to sell paper towels, but my business was bleak. Three days ago, a hunchbacked old man in a black cotton-padded jacket brought a yellowed old deed to pay off his debt, saying that it was the title deed of his ancestral home. It read - "In the third year of Jiaqing, there was a Yin House in Liujiagou, covering an area of half an acre." I just regarded it as waste paper and threw it on the counter. That night, I had a strange dream. In the dream, I was wearing a shroud, being carried by four paper figures, and wandering into an underground mansion. White lanterns hang on the red lacquer door, and four words are written on the lintel: Liu's Villa. The moment I opened the door, a faceless woman sat in the center of the main room, holding my land deed in her hand, and said with a hoarse smile: "Chen Xuan, now that you have accepted the deed, you are the new owner of this haunted house. Remember to collect the rent at midnight tonight." When I woke up with a start, my whole body was cold and my phone screen was on, showing the time - 23:57. On the land deed on the counter, the originally blank "lessee" column suddenly had a line of blood-red calligraphy: "The rent has been owed for a hundred years, and it must be paid today. There is a door in Liujiagou, under the old locust tree in the east of the village." I subconsciously touched my pocket and found a cold copper key - I swear, I have never bought this thing. Outside the window, all the street lights in Panjiayuan suddenly went out. In the distance, I heard the sound of chains mopping the floor, from far to near