Concubine of the Medical Immortal

She was the most beautiful medical fairy in the empire, but she was deceived by her skin and died miserably at the hands of a bitch. She was the crown princess destined by the current prince, but she was abandoned by her fiancé and sister and died tragically in a mass grave. After being reborn, she vowed to seek justice for the girl. But she accidentally discovered that the bitch who caused her tragic death in the previous life also came to this world and became an immortal master worshiped by thousands of people. In order to avenge her shame, she quietly approached, but she almost died tragically again. Only when she is strong can she protect the people she wants to protect, and she does not hesitate to use her own power to overturn the world. The male protagonist who has been hiding all this time, the sixth prince, undergoes a palace coup, seizes the world, and ascends to the throne as emperor. She is his concubine and the only empress of the Blood Moon Kingdom.