"Restricted areas" have been breaking out in universities across the country - it is forbidden to turn on the lights in the library at midnight, you cannot look down at the water in the deep water area of the swimming pool, and the name of God can be heard on the 13th step of the old teaching building. The protagonist discovers that every rule is the "last words" left by a dead ancient god. Taiyi in the East and Lucifer in the West have both fallen, and their remains are polluting reality.
