She was originally a carefree princess from a small and weak border country, but her country was destroyed because of an unknown thing. Her father and mother died tragically under the knife of Prince Apocalypse. She originally wanted to die, but she saw that her younger brothers and sisters had to carry her with them. They began to escape from a foreign country. The road ahead was bumpy and the life was difficult, but they never imagined that they would fall off a cliff and lose their memory. They would forget the hatred of their country and family, fall in love with a man they shouldn't love, and do things that deserve to be cut into pieces and sent to hell...