The King of Hell is Unhappy

What does it feel like for a scaredy-cat to be King Yama? I'm Yan Xiaoluo, I'm afraid of ghosts, so my royal father sent me to the human realm to train.Yet Satan from western Hell and master Lucifer haven't given up on their conquest of the eastern ghost realm and human realm. The Black and White Impermanences, Ox-Head and Horse-Face, and a coincidental Xiaogui will assist the king. Heavenly characters will also appear! And that fighting monkey! And that retired royal father!