He, the Richest Man in the World, Begged Me to Sign a Prenuptial Agreement.

The iron-blooded empress of the world of female supremacy disguises herself as the heroine of a sadistic novel, gives the male protagonist a "Male Morality Manual" and a divorce agreement, then turns around and uses modern business rules to cause a financial storm. When the male protagonist finally wakes up and pursues his wife, he finds that she is already his biggest competitor in the world. He smiles and hands over a new contract: "To acquire your company, please sign."