Prehistoric: the Strongest Prince

It tells the story of four apprentices and two demon kings. A master and three apprentices encountered many demons and monsters on their way to heaven. The master's name is Luo Qingfeng, the senior brother's name is Yuan Duo, the second junior sister's name is Luo Shuo, the third junior brother's name is Jin Xuanyi, the third junior brother's partner is called Yu Yuan, and the second junior sister's partner is named Yuan Dan. By the way, Demon King, they are a family. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.