Momoko is a beautiful young swordswoman born from a peach (momo in Japanese). She resides in a tranquil paradise alongside her constant companions: the dog god Inugami, the monkey god Sarugami, and the pheasant god Kijigami. However, a demon army led by the devil king invades this paradise and steals the precious treasure that safeguards Momoko's land. To recover the treasure and save the people, Momoko sets out on a grand adventure with her three companions.