Her

Opal and Liv are child hood best friends turned mortal enemies when a war breaks out between the two kingdoms they originate from. Ten years later , they are both sent to a castle in a neutral zone ruled by a despicable king. Opal and Liv are sent to the ball being held in the castle to kill the king and win the war for their own kingdom. They meet each other at the ball after years of being apart, as they where childhood friends turned to enemies and separated when the war broke out and decide to hold a "friendly" competition to see who can seduce the king first, kill him and get away with it. But things take an unexpected turn when somebody catches feelings.