The story takes place in the age of turbulence. After the emperor is down with the sickness, the society falls into disorder. Yes, people just want a peaceful world. The main character lost her mother when she was a kid. Her father also passed away several years ago. She just now lives alone in the town. One day, she meets a winged rabbit, a legendary creature that appears when the world is turbulent and settles everything down. When she is at a loss what to do, the rabbit says, "You are the one who will watch the fate of this world to the end...." and disappears into her body. After she meets the winged rabbit, her life dramatically changes....