Rin Itoshi, The prince of the Itoshi kingdom found himself in love with The knight, Isagi yoichi. There wasn't anything logical about it, not how his heart beats for him, there was just... Love.

One day, Rin had to choose a bride, From five noble women. He didn't choose either of them. Instead, he pointed at the knight standing beside the large oak door,

I want him to be my husband.

Not wife, Not knight. HUSBAND. everyone in the room fell silent.