The known Existence is likely dead and dark, every world turned cold and lifeless by the remorseless marandaal. Only Aona remains; a precious world that represents the only light and hope left.

Yet Aona is dying, and the disease spreads not only from out of the Gates, fathomless portals linking the physical world to the void, but also from Aona's true heart, the mysterious Green Road.

Now the final battle will be fought, a monumental struggle for life itself.