It's the year 2053. Invasion by a mysterious creature emerged from the universe, the Earth lost a majority of the population. Fail entirely in the human counterattack strategy, beat the final mission in the enemy base Army base in Japan, Mount Fuji, "Z-Plan" is planned.
Akira Shima and his crew of robotic weapons aspirations is ordered to defend the base in this strategy as failure is unacceptable. Before the battle, the families of Koyomi sister alone, and aspirations to Mars evacuate safely. Start the "Z-Plan." But their aspirations before the sortie was an overwhelming number of enemies spread ....
Action, Adventure, Science Fiction