The Mischievous Demon King's Many Lives

This is the first book in the urban “Demon King of the World” series by author Nan Hua Zhenren. It is unconventional and stands out from the crowd.

[Urban Fiction, God of Wealth, Live-in Son-in-Law, Dragon King, Romance] Nan Guo Liu, a driven young man named as successor by the previous generation's “Demon King of the World,” turns an ordinary boy into a global tycoon. He ventures into workplaces across every industry to experience the lives of ordinary people, and even becomes a live-in son-in-law to experience ordinary love.