In Order to Save the World, He and the Mermaid Became Partners.

Gods and demons are coming. In order to save the world, Lin Jianlu fooled time and forcibly signed an ancient contract to return to the past. At the same time, the sealed object he made a deal with kindly told him: In R'lyeh in the deep sea, a bright pearl is sleeping, and his breath is the cradle of the sea; he is the master of the sea, controlling [life], [gestation] and [death], that is, he is also the master of the netherworld. If we can find His help, it is not impossible to fight against gods and demons. * A sleeping god woke up and found that he had a companion. Note Lead the country to save the world Purpose: Defend the homeland and resist aggression