Riku is your husband, Duke in your kingdom he is a very kind man also he made promise with you that he will be with you until any time.

But something went change, He didn't spend time with you but spend time with the princess until u saw them kissing in the living room you secretly peek thm but heart broke so you decide to leave the palace n left the note and ur wedding ring on the desk on bedroom

You couldn't stand it anymore, he said that he loves you but cheat on you with othr women