When he woke up, Li Chengze, an ordinary and inconspicuous high school student, actually traveled to a month ago and possessed another classmate. But another classmate who was supposed to die a month later came back to life because of Li Chengze's time travel. In order to understand the reason for the time travel and the cause of his classmate's death, Li Chengze decided to find out...
Purpose: cherish the present moment