Kusanagi Kimamura is a Tokyo heiress whose greedy relatives and even the yakuza are in pursuit of her life on a daily basis. Due to this threat her Grandfather hires her a Samurai Butler bodyguard. Ranmaru is a stoic yokai (demon) man with a dark past while Kusanagi is a high school girl with a fiery temper and her own unique supernatural powers that allow her to predict a person's death. Sparks fly when these two conflicting personalities meet. Will opposites attract? Or will Kusanagi give a hard slap to Ranmaru's face first?