This world is not as calm as the average person imagines, nor is it as omnipotent as they believe science to be; many things that have existed since ancient times have never disappeared, only that they rarely show their traces. The three major exorcism families, the Su family, the Du family, and the Ouyang family, are the very factors that make these unscientific things remain mere legends. Ding Qi, seventeen years old, with an ordinary appearance, a son of the Du family...
