In this heartless world, where people come and go, how many people are destined to be destined for three lives? The waxing and waning of the sun and the moon have never changed, but they have seen life and death, love, resentment, and separation many times. The sun is cold and thin, and the moon is fibrous. Who has ever changed its color? In the world of mortals, a hundred years have passed, and you or I have actually been repeating the same story, the same deep love and hate.