On a strange night, a night of full moon, a strange rainbow light and a reverse rainbow attracted the girl and led the girl to complete her mission. In another time and space, she was the unified "White Emperor". For this mission, she turned into a man. She didn't understand all this. She was In order to end the separatist scene, she will lead the world to unification, and her talents are necessary. She will let the emperor in her heart be praised throughout the ages. She turns into him, turns into a cocoon and turns into a butterfly, showing off her style, looking for her true love, and finding her own happiness in various colors. The rainbow is beautiful.