As a young girl, Princess Taira Chiyo eluded capture by the Minamoto army with the help of her selfless mother's sacrifice. Now, at 15 years old, she roams the land in pursuit of eternal life. Despite hearing talk of an immortal being called Kijin-sama, Chiyo never expected to locate him so easily. However, to her surprise, Kijin-sama desires nothing more than to embrace death.