Gates of Heaven. Everyone prepares for the final battle. But when Silvia is 'spirited away' by Sirius, everything is cut short. With the Tree of Life nearing full strength and the threat of the new Harvest beast, the ranks are further cut for the team when Deava is penetrated. Can Apollo, Reika, and Tsugumi break into Atlantia and stop the military strike before it's too late? The end grows near.