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College student Xu Bancheng inherited the gallery left by his missing grandfather. But there is something strange about the paintings in this gallery. Bloodthirsty and crazy paintings of beauties, portraits of girls with stitches on their necks, sculptures of nurses that make one's penis tremble... Each painting is an urban ghost story that hides countless secrets. If you want to find Grandpa, you must run the gallery well. To run a gallery, Xu Bancheng has to collect more paintings transformed from urban ghost stories. Fortunately, there is an account book in the gallery. As long as you complete the tasks of different difficulties published by the account book every day, you can obtain various useful rewards. So Xu Bancheng began to explore various forbidden places and brought the urban ghost stories he found back to the gallery. However, although the mission brought more and more benefits, Xu Bancheng gradually discovered that there was another hidden reason for his grandfather's disappearance. At the same time, his parents, whom he had always thought were dead, were actually still alive!