Actress of the Emperor of Gemini Legend

At the end of the Warring States Period, the seven heroes faced each other, the general trend of the world was from division to unity, the generals of various countries competed on the battlefield, famous people were fighting, a mysterious hermit said a secret, the emperor's daughter came to the world, and the world was unified. A pair of twin sisters with strange life experiences and mysterious appearance, one is a beautiful fairy and the other is a rejuvenator. Because of the rumor of the emperor's daughter coming to the world, they were sent to the deep palace together. Whether intentionally or unintentionally, they were entangled in the confusing whirlpool of history, and their love and hate were intertwined with the princes and emperors. Is it a human trap or a catastrophe? Who is the real emperor's daughter?