In a small quiet village – There is a folk story of a beautiful female demon; nobody knows who she is but the locals calls her “Oni.” The story has it that she killed people and collected parts of their body to make a perfect human figure.  A young man named Sho, is spending his summer with his grandmother and meets Oni while he’s taking a walk in the woods.  Blinded by his beauty, he is lured into Oni’s house… she is about to add his legs to her collection… Nobody can hear him crying for help…

“My father’s last words were a curse, binding me even after his death.” Genkyou is a city-state ruled by status and comprised entirely of nobles. Crime and underhanded deals seem to be an everyday occurrence and one in which many turn a blind eye. To fulfill his father’s dying words, Iori travels to Genkyou determined to do whatever it takes to extract his father’s revenge. However, there may be more to Iori than meets the eye.