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.
Animated by A-1 Pictures (Sword Art Online, Blue Exorcist)
Directed by Ei Aoki (Fate/Zero)
Written and created by Gen Urobuchi (Suisei no Gargantia, Psycho-Pass, the Madoka Magica series)
Soundtrack by Hiroyuki Sawano (Kill La Kill, Attack on Titan)