Traveling Through the Great Xia, the Identities of the Empress and the Lady Are Exchanged

The male protagonist Xu Wenjun was originally a special soldier of the Dragon Kingdom with excellent skills, but he died in a battle and inadvertently traveled to ancient times. His host turned out to be a poor second-generation rich man with no knowledge or skills. Until one day your sister-in-law, the Empress, appeared, and Xu Wenjun's fate began to counterattack. He helped the Empress defeat all the demons and demons, and became a wise king, ruling the world...