A powerful entity known as Death Mask hurls Kujukuri City, Japan, and Dallas, Texas 10,000 years into the future, reshaping them into a ruthless battleground where only the strongest survive. Determined to shatter this tyrant's hold on time itself, Gai Tanbara ventures into the dystopian future. Along the way, he meets Emiya, a fierce warrior fighting to reclaim her city from the darkness. Together, they confront the horrors of a shattered world and the sinister forces threatening the fate of humanity!

The destruction of Earth is at hand! A pity that only one person knows it at the moment. Zule has announced his intention to take over Earth, and to demonstrate his resolved he's destroying interplanetary traffic. The warning is clear, stop expanding into space and prepare to be subjugated. Earth sends out their most competent troubleshooters: The Crasher Squad! Renowned for their skills at keeping the peace, they find their abilities are lacking against an opponent who can swallow star systems; and has. Not that the Earth represents anything more than a casual desire, but Zule has not gotten where he is by allowing the weaker species to flourish. Now, Earth's fate will be decided by Takeru Myojin, who is in the midst of discovering that his entire existence is a lie and his actual position is far more important than anyone would have believed. But he is only one, and Zule's armies are many. Even with the awesome power of the robot Gaia, how can he possibly win against Zule?