If There Is No Do-Over

What made the two meet? What made the two meet? What makes two people fall in love? She is a princess with a distinguished background, but she lives a precarious life and her life is threatened at any time. He is the Ming Lord of the Jueming Valley who is feared by everyone, a mysterious killer organization that is both good and evil. How do two people who have opposing identities but clearly love each other struggle in the face of family, friendship, and morality? How did she, who traveled through time and space, capture him who was emotionally indifferent?