Protagonist: A 16-year-old girl who has lost her memory due to an accident. Her house was burned and her parents killed. But she didn't remember anything. Not only that, after losing her memory, she fall in love. And was so madly in love that she was ready to face all difficulties in her way. But she didn't knew that the path she is in, will change her life forever. Demon King: Demon King, an immortal ruthless King who has killed an infinite number of humans. He posses strong magic. Every demon under his command has its own special power, and has to obey the King in all cost. Demon King love to kill and devour humans. But he have never imagined that a human will fell in love with him. She fell in love with Demon King, who was the one who killed her family. Since she doesn't remember anything. So, she simply tries everything to make him fall in love with her. While Demon King was surprised by her stupidity.