Princess (y/n) had grown up with Kirishima at her side, He was her noble protector and she was his princess, his purpose. These two had a bond extremely strong, forged by years of friendship, adoration, and something that both had recognized yet not spoken of. The two have come of age and just as Kirishima is to ask the King as well as his childhood love, The king makes the verdict to wed her off to A soon to be king of another kingdom, one that (y/n)'s elder sister had turned down. What will happen to the young pair's affection towards eachother, especially with possesive Prince Katsuki vowing to marry (Y/N).