Lulufina, called "the villainess" by those around her, was stuck in an infinite loop repeating from the week before to the week after the ball in which the prince breaks his engagement with her. However, one day a mysterious voice acts as a guide to return her to when she was four years old. It was the very day her life began its spiral out of control. The young girl who is referred to as "the villainess" will make every effort to hold a life of happiness in her hands...!