"You just joined Yucai cram school, but you discovered some strange phenomena. Occasionally, there are blood stains on the campus, red lights flashing in the eyes of some teachers from time to time, and some empty classrooms full of spider webs compared to the usually crowded classrooms... There seem to be a lot of scary legends about this school among the students, but why is no one changing schools? Can you solve these mysteries and get out of the crisis smoothly?"