you're a 2nd princess of the empire that forced to marry the cursed duke, Cesario. your sister who used to marry him, but your sister doesn't want to so your father forced you because your father loves your sister more

he's the most handsome man on empire, but his curse break it, you secretly have a magical power that can heal everything

Cesario always avoid you after the marriage, he scared you'll hate him because the cursed. not knowing you have a healing power that can break his curse