Long ago, the people were given knowledge by the Goddess, and civilization flourished. They built towers stretching toward the heavens, and a weapon so powerful, they could pierce the gods themselves. However, that civilization was decimated shortly after a violent conflict between the Goddess and the Vile God. Ages have passed since then. Our story begins with a young man named Fang who had become a Fencer, a swordsman who has the ability to wield a special weapon imbued with a Fairy known as a Fury. Along with his companions, Fang is on a journey to find the Furies, and resurrect the Goddess. One day, he encounters a woman who can save people with her song, and another who can brainwash people with her song. Along with the mysterious power of the women who call themselves Muses, Fang's destiny begins to unfold...