Rules of Horror: Emperor Fengdu Keeps Low Profile

High school student Hua Wuju accidentally travels to the underworld, rising from a low-ranking ghost official to the throne of Emperor Fengdu through ten thousand years of perseverance. With an unbreakable obsession spanning five millennia, he finally finds his way back to Earth, only to be dragged into a game of rules and horror. As the ruler of the netherworld, he calmly faces the eerie rules, using his underworld power to protect his homeland, solve mysteries in the horror world, uncover the source of the strange phenomena, and safeguard his loved ones and peace.