When Olicts, a variety of monsters that prey exclusively on humanoids, begin to surge in the region, Quarta Amethyst, a knight of the Quarta Order sworn to defend the innocent from the Olict menace, is tasked with finding the cause, and put a stop to it.

When Olicts, a variety of monsters that prey exclusively on humanoids, begin to surge in the region, Quarta Amethyst, a knight of the Quarta Order sworn to defend the innocent from the Olict menace, is tasked with finding the cause, and put a stop to it.