The change of dynasties was not anything new, but she was a real former princess, lost her real identity, and became the rancher's daughter. The gods had made a fool of her, and a disaster had forced her to dress up as a man and take on the duty of guarding the ranch. For no reason at all, two jokes had forced him to stay away from the capital and pretend to be a rough bandit leader. She and he, who were not like women, and he, who was not like a prince, had become master and pupil. "You lied to me!" "You're not telling the truth!" True and false, false and real, love and hate, in the midst of all this sand and the strange clouds, gradually blurred the boundaries. It was the only thing that remained, in the midst of all the changes of the world, a vow that could not be broken.