My Brother-in-Law Is the Crown Prince, So What If I'm a Playboy?

What happens when you're reborn as a notorious wastrel in ancient Chu Kingdom—but your sister married the crown prince? Xu Xian embraces the playboy life with zero shame: he corrupts dukes' sons, profits from brothels, and defies powerful ministers with impunity. In a world where commerce is forbidden, he builds a business empire that turns the capital on its head. Officials submit impeachment memorials daily, but when confronted, Xu Xian just shrugs: 'My brother-in-law is the crown prince. Problem?' With imperial protection and family backing, this shameless rogue rewrites the rules of power.