A world crumbling to ruin. Demons have invaded earth, with seemingly no plans other than the annihilation of the human race. But one group of teenagers sets out to take back the world and save humanity... ...and then there's the other group. Chosen ones can't save everyone, and some people end u...

When an unknown series of airships begins to threaten the skyspace, a continent made up of grand airships housing ancient weapons with unknown power, three young adults must go on a journey of self-discovery while trying to prevent the weapons falling into the wrong hands.