A world where supernatural beings once known as ayakashi existed. In the modern era, where the time of demons rampaging has been long forgotten, an evil onmyoji Astraios, who schemes to establish his dominion, begins to move in secret. As he seeks to bring chaos, one girl stands up to oppose him. She is Fairy Snow, a superhuman who inherits the blood of ayakashi. Before Snows power, Astraios finds himself forced into a difficult battle, and it seemed his ambitions would be thwarted midway.

However, before him appears a new warrior. The girl who calls herself Fairy Silk has wandered into this world from another dimension. Witnessing Silks power, Astraios conceives a clever plan to make the strength of Fairy warriors his own. As Silk and Snow are manipulated by his schemes, yet another Fairy warrior from a different world suddenly teleports in — Fairy Bullet. The girl beloved by fairies fights for justice in this world as well, but fairys blessing — a source of her power — has developed a serious issue...