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.

Natsuki Hanaeas Inaho Kaizuka (voice)
Kensho Onoas Slaine Troyard (voice)
Sora Amamiyaas Asseylum Vers Allusia (voice)
Mikako Komatsuas Inko Amifumi (voice)
Sayaka Oharaas Yuki Kaizuka (voice)
Sachika Misawaas Rayet Areash (voice)
Kazuya Nakaias Koichiro Marito (voice)
Ai Kayanoas Darzana Magbaredge (voice)
Toru Okawaas Saazbaum (voice)
Show Hayamias Cruhteo (voice)
Gen Urobuchi
Shinsuke Onishi
Hiroyuki Sawano