Grand Duke Wanna Have A Baby

Summary: Duke Raynall Horn Penny Caesar, the hero of the Empire and the man called the Emperor’s Sword.
He had one secret and that was
It is the body of a positive manger!
Even though she takes a sabbatical year and tries to have an heir, she cannot get pregnant with most XXs.
Will Raynal and his mistresses be able to find the right Mr. Lee?!