Supernatural Security Guard at School

During the Ten Thousand Demons Period of the Tang Dynasty, the ancient demonic beasts caused chaos in the underworld and were besieged by seven Taoist priests. In the end, six people died and one was injured, but they could not kill them. They could only seal the demonic beasts here and live for generations. Qing Ling is the descendant of this generation of evil beasts. During the day, he works as a janitor for people, and at night, he transforms into Mr. Yin Yang, a slayer of demons and defenders, catching ghosts and demons, exorcising evil spirits, and fighting evil cults. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.