A school dropout accidentally returns to the ancient Primordial World, when heaven and earth first came into being. He experiences firsthand the splendor and downfall of the ancient Heavenly Court, and witnesses the Wu and Yaoguai turning the heavens upside down, the myriad races slaughtering one another, and the realms thrown into chaos. As a member of the human race born in modern civilization, how will he survive step by step in that turbulent age of rampant Wu and Yaoguai and clashing gods and demons, before finally suppressing the turmoil and resolving the boundless catastrophe?
(No System, no harem, humorous references, low-key growth)