An ordinary female high school student traveled to an unrecorded era with her friends due to a car accident. She was caught by the people in the mountain village, chased by others and accidentally entered a brothel. She was sent to the palace to participate in the concubine selection. Because she wanted to run away, she collided with the emperor who had just ascended the throne. In order to save people, she negotiated with the king of a neighboring country... What else will happen to her in the future? Looking forward to it~~