In that long and ancient past, when the earth was yellow and vast, an old man saw two young and beautiful women through the clouds, they were Qing Fang and Shuoyang. They went from being friendly to mutual suspicion, fighting, and hostility. Finally, under the guidance of the old man, with the sun and moon as the boundary, one became the sun girl who guards the sun, and the other became the moon girl who guarded the moon.
