Returning From Tragedy: Worship Of Ten Thousand Ghosts

Yan Ruzhu, the underworld's underworld king, was momentarily bored and descended to the mortal world to go through various tribulations. Unexpectedly, he became a powerful figure in the underworld, with many experts in the background. After all his armor was worn off, many people realized that his identity as a special professor and researcher at Peking University was the least worth mentioning