The Dragon Son-In-Law of the End of the World

The son-in-law of a wealthy family was reborn one hundred days before the apocalypse broke out, and vowed not to be an unknown licking dog again! He showed his identity as the sole heir of the largest family and was worth trillions; he built fortifications and became the biggest winner after the apocalypse broke out! Facing the disdain and ridicule of his mother-in-law and wife, he smiled contemptuously: "In the end of the world, only I am the real king!"