College Life of a Reserve Agent

There was a murder case in the school where the body was buried at the bottom of the lake, and there have been a series of suicides in the past five years. What is it that connects them? What makes those long-extinct monsters appear in R at the same time? How did Zhang Chi, a young reserve agent with a secret mission, get involved with these things? The main text is over and the extra story begins. Three thousand daily updates, 11:30 in the evening.