New Fiance, We Reached the Peak

As the princess, she had one job: pick a man and produce an heir. She chose a quiet scholar, built his career from nothing. But he repaid her by trying to bring his mistress home on their wedding day. She flipped the table, walked out, and married a playboy in the capital. He was supposed to be a joke, a charming, useless waste of a title. But under his crooked grin, there's a shadow she never expected. And now, the man she picked for convenience is the one who refuses to let go.