The Price of a Bride: Harlequin comics

Mia, the daughter of a wealthy family, has just become the pawn in a cruel transaction. Due to the death of her older brother, her father now has no male heir. To remedy the situation, he promises his daughter's hand in marriage to a businessman named Alexander. However, this is not just an engagement, it's also a business deal. The purpose of this marriage is for a male heir. If one is born, then Alexander must deliver the boy to Mia's father, and in exchange Alexander will receive an entire island in the Aegean Sea. This arrangement that so resembles slavery makes Alexander angry, and the fact that Mia does exactly as her father says has him looking on both her and her father with disgust. Mia, however despicable the situation, complies with her father's wishes...