King Roman madly in love with his mate Celine he will do anything for her, no matter what. He would fight a whole army of demons if that's what it takes to protect her and keep her happy; he would go through hell to be with her.
That's why he didn't hesitate when he was told to marry a human princess. It was the only way for him to ensure Celine's happiness and the kingdom's safety. So, he took the plunge and agreed to this marriage.
He never thought the day would come that he'd be marrying someone from another land but when he found out who was going to...