An Yan entered a general medical school due to abnormal performance. He was supposed to be settled as he came, but he didn't expect that a murderer would appear in his circle of friends during his junior year! As long as the report appears in the circle of friends, something will happen the next day. There seems to be a mysterious and huge organization behind this murderer, and the only one I can rely on is my friend in the lower bunk. I hope I can get through graduation safely, but I feel like I'm getting weird.
Purpose: protect