Originally they were the closest twins in the world, but for some reasons they were only known but not seen...
She, a soul reborn in another world, had just adapted to a new life and new relatives, but was stolen...
He, a proud emperor, had never seen his twin sister until one day...
He and she have the deepest bond in the world, but they have become strangers because they were separated since childhood.
They are all dancing alone in their own worlds. When will they meet?