Library

At night in City A, two men were discussing something on the bustling street. Soon after, all the people in City A disappeared, attracting the attention of the society. Seven people formed a joint team to start the investigation, but they did not know that they had opened the "door" to death. Seven people disappeared one after another. What is this shocking secret... Many strange things happened frequently. As a student, Tang Yun and his friends embarked on a journey to find the truth, and gradually unveiled the truth...