He is a king, and he is also the brother who once depended on each other. She is a subjugated princess and a killer. Just for his promise of three years, she has been pursuing him for ten years, and has fulfilled the Buddha's words: there are seven sufferings in life: birth, old age, illness, death, resentment, separation from love, and failure to seek. Even an emperor cannot escape. But, brother, between the country and me, you finally chose this world.