Production Companies

TROYCA, A-1 Pictures, Aniplex, Houbunsha, Tokyo MX, BS11, Asahi Broadcasting Corporation, MAGES., Nitroplus, movic

Overview

"Let justice be done, though the heavens fall"

In 1972, the Apollo 17 mission discovered a hypergate to Mars on the surface of the moon. Soon a war breaks out between Earth and Mars, and Martian soldiers begin to descend from the sky, riding steel giants, intent on exterminating humanity.