It all started in Aeris, capital of Ameria, in the midst of the summer festival. During the festivity, people started unexpectedly attacking each other and a large scale massacre took place instead of dancing and merrymaking. Under the strangest circumstances, Edward comes back to the living, just to find himself in a strange place inhabited by the Gray Guardians. Who are they? What do they want from him? What goal do they pursue? A grand adventure debuts here!