
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.




The Martians bombard the Earth with meteor attacks. Inhao and friends continue to travel with a Terran military squad when they are attacked by another Martian Kataphrakt.

The Emperor of Mars calls for a cease fire. Inaho and friends take the moment to rest aboard an Earth Navy Ship. Slaine tries to find a way to reveal the conspiracy of the Martian Forces true intentions.

The Emperor of Mars broadcasts an offcial declaration of war against Earth. Inaho and his friends are drafted into the military and Slaine is on the run.

Lord Saazbaum decides to hold back on chasing Slaine, and instead tracks as he flees to Earth. Meanwhile Inaho and friends have arrived at Tanegashima, a mysterious location.

Princess Asseylum reveals herself to the Earth forces and Slaine remembers the time he spent with the Princess whilst being tortured by Count Cruhteo.

Slaine wakes up in the Landing Castle of Count Saazbaum and learns the true intentions of the Count. Rayet and Lt. Marito must deal with with their individual memories of those they have lost to the Martians.


Count Saazbaum's Landing Castle descends down to Earth and begins an assault on the United Earth HQ. The Deucalion is under direct attack from Martian forces and Princess Asseylum must make her way to the ship.

The Deucalion has collided with Count Saazbaum's Landing Castle. Inaho, Yuki and Inko must now escort Princess Asseylum to the Aldnoah Drive. Meanwhile Slaine is rushing back to the Landing Castle and Count Saazbaum is still out there in the Dioscuria.



Both UFE and Vers forces prepare for battle on their respective asteroid bases. Meanwhile Slaine's influence between de Counts of the Vers Empire rises. The Trident and Marineros bases are close enough and the long expected space battle between both force erupts. Inaho and Slaine will encounter each other once again on the battlefield.

Yuki and Marito are reunited with the crew of the Deucalion. Meanwhile in the Vers Empire several Counts are plotting against Slaine, believing him to be unworthy of his new position among them. Count Mazuurek, who was reluctant to engage in battle due to trying to avoid any needless damage to Earth's resources and inhabitants, is ordered to engage enemy forces.

After the capture of Count Mazuurek by UFE forces, he is interrogated by Inaho. Meanwhile in space the Counts scheming to remove Slaine from their midst are making their move.

On the lunar base Slaine and Count Marylcian begin their duel, one that Slaine fears he might actually lose. Meanwhile on Earth, things are looking equally grim for the UFE forces who've encountered a Martian Cataphract that uses powerful laser weapons to keep enemy forces at bay.

Princess Asseylum's marriage to Slaine is officially announced. Meanwhile, Slaine organizes an unprecedented attack on Earth after rallying as many Counts to his cause as possible.

The Earth Forces are on the retreat after the Vers three-pronged attack. Meanwhile the relationship between Slaine and Lemrina grows in tense.

At a loss on how to deal with a multiple Kataphraktoi attack, the Terran forces rest their hopes on Inaho's abilities. However, they may be relying on him too much. Lemrina, meanwhile, makes a move after figuring out her sister has awoken.

The Terran forces prepare a two-pronged attack on the Martians. Inaho continues to feel the negative effects of relying on his cybernetic eye. Klancain meets with Slaine.

Both the Terrans and the Martians prepare for a massive final battle. Meanwhile, with her allies dwindling, Princess Asseylum makes a valiant last-ditch effort to end the war once and for all.

Empress Asseylum declares a cease-fire and, with Slaine's resolve seemingly shaken, a rift surfaces between the Orbital Knights. Inaho and Slaine finally settle their differences on the battlefield.
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