Demon King's Elf Princess

She is indifferent in front of outsiders, gentle in front of her lover, and sensible in front of her relatives. In front of her family, she is weak and lively, in front of her boyfriend, she is cute and cute, but in front of her only sister, she is used to being pampered. She was originally a noble princess in the elf world, but she came to the human world because of punishment. He is the devil king of the devil world, but he came to the human world to find the one he loves. She is the prince of the blood clan, and she came to the human world because she was unwilling to be separated from the person she loved. The grievances, love, hatred, and resentment of the two lives are played out again. In the end, who is her destined person!