I Said, You'd Better Be a Proper University

【Supernatural】+【Infinite Flow】+【Rule-Based Deduction】 “Senior, isn’t this meeting a little too sudden?” Gu Yan had graduated years ago when he suddenly received a phone call. His former senior hoped he would return to school and help her deal with some trouble. But Gu Yan never imagined the school would have changed beyond recognition. It had become a haunt for vengeful ghosts. The students trapped inside had no choice but to take on one bizarre mission after another, slaughtering one another under merciless rules. Gu Yan pinned yet another vengeful ghost beneath his foot and said, “Since when did this school get so out of hand?”