The Dragon King of Zhenshi, Do You Think He Is a Useless Son-In-Law?

A year ago, Jiang Long was on a top-secret mission. Unexpectedly, he was betrayed into a huge trap and besieged by the gods of war from several powerful countries. He desperately killed the four war gods, was seriously injured and fell off a cliff. He was rescued by Mr. Zhang who happened to be passing by. When he woke up, he lost his memory and became his son-in-law under the help of Mr. Zhang. But he was treated as a good-for-nothing son-in-law and was bullied repeatedly. Once he woke up, his memory! Travel across the city and become the Dragon King of the world! !