She is a princess, a princess of a country. She is gentle, beautiful, and kind. She is a pearl sought after by everyone.
He is a knight, a knight who protects the princess. He has a rebellious aura, looks cold but is extremely gentle to her.
Is it the knight's mission or his inner desire?
Faced with the choice of life, death and love, they had no regrets, chose love, and made a lifelong contract...