This Is Destiny: I Will Bring You to the Underworld.

"There is a Yang Dingtian in Shoucheng. If you come to me for anything, you will pay for it. I will not do any business that is unfavorable. I will always come forward to punish evil and promote good." A familiar limerick, a family that has declined. A yin-yang man, a spokesman for the underworld. The family that has protected the human world for thousands of years has withered away. When the world is unfair, demons are rampant. Accepting the destiny, I will carry the underworld with me across the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.