After Breaking Our Vows, My Queen Regrets It

Yang Fan transmigrates as the heir to the Yan Prince, masking himself as a playboy while secretly supporting Lin Qingyue, the daughter of a convicted official. He helps her become the first female Marquis of the Great Xia, elevating her entire family to power. However, after her triumphant return, Lin Qingyue demands to marry two husbands. Yang Fan publicly tears up the engagement. If deep affection cannot be kept, why not don the sword and fight! He ascends to the royal title, eliminates traitors, elevates the nation's prestige, and stabilizes the realm. Meanwhile, he develops feelings for Princess Xia Ruolin. Only later does Lin Qingyue realize her mistake and regret it, but Yang Fan has already found a true confidante in Princess Xia Ruolin and journeys to the borderlands together.