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.
Maoyu: Archenemy & Hero
Scrapped Princess
CUE!
Planetarian: The Reverie of a Little Planet
Re:Creators
Nagi-Asu: A Lull in the Sea
11eyes
Mobile Suit Gundam: The Witch from Mercury
Durarara!!
B: The Beginning
Ben-To
O Maidens in Your Savage Season
Code Geass: Lelouch of the Rebellion
Hatfields & McCoys
Angel Beats!
Death Parade
Shaman King
The Familiar of Zero
The Daily Life of the Immortal King
Akame ga Kill!