Gu You continued, "‘g57’ was skilled in information technology. He rewrote the forum’s source code, and also tampered with some of it. I only discovered this later. He modified the algorithm for assigning missions to one another. Our missions were originally randomly distributed. After he modified the algorithm, everyone received the missions that he had designed to turn fake crimes into real crimes. On October 18th, I was assigned a mission to delete some computer files. I snuck into a room, turned on the computer, and saw... I saw many nude photos of my classmates, which were secretly taken in the bathroom, including my own!”

"At that time, I received a text message from someone without a number displayed. It told me that the owner of the house was a worker at our university. He had installed a camera in...