What? My "Poor" Ex is a Tycoon?

Synopsis

Ethan Hale, the hidden heir of the Hale Family, married into the Sullivan family incognito, only to be betrayed by his wife Clara Sullivan, who left him for another man. After the divorce, the former "son-in-law" unleashed his true power, humiliated the traitors, and crushed family power struggles. Will this underestimated genius seize the Hale Family’s throne and make all who looked down on him regret it?