She was raised as a boy and has been burdened with invisible hatred since she was a child. But when she found out how her parents died and her true identity...
It turns out that she is just an excuse and tool for revenge, satisfying other people's ambitions... But hurting the people who love her; they missed her and became farther and farther away. But he still ignored anyone's objections and promised her a major wedding. He was the prince and she became the princess! What about revenge?
Until the end, after playing with that heart so much, he couldn't see clearly that he still had love for her...