At twenty-two, Xiang Xuanlin was overwhelmed by his first job. Then he was reborn back in his senior year of high school. He was ready to use his knowledge of the future to crush everything in his path, only to discover in horror that the rules of this world were wrong. With the college entrance exam countdown underway, the test papers contained questions from the future that were beyond the syllabus. A quiet girl beside him was using a code to ask for help, while the physics teacher looked at him as if he were an experimental specimen. This was supposed to be a power-trip story about being reborn, so why had it suddenly become a desperate struggle for survival under the watchful net of the Observers? He and she would have to become each other's only accomplices to find a way out of this abnormal timeline.
