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Since the beginning of time, monstrous Demons and noble Guardians have battled for Earth - the everlasting gift of the one great Mother, creator of all life. A deep hatred burns between Demon and Guardian; the Guardians prevented the Demons from destroying humanity and the world itself. Eons later, Neo-Shinjuku City: few Demons or Guardians remain to continue their epic war. Humans rule the Earth, with no real memory of either Demons or Guardians. Yet deep within the dark underworld of the city, one supreme Demon is alive and plotting to subjugate mankind. Only one Guardian is left to do battle, and the fate of the human race is at stake. Based on the Graphic Novel "Twilight of the Dark Master (Shihaisha no Tasogare)" (Shinshokan) by Saki Okuse (Source: DVD Back Cover)

The disappearance of the Spearhead Squadron beyond the horizon does little to hide the intensity of the Republic of San Magnolia's endless propaganda. Vladilena Milizé continues to operate as "Handler One," the commander of yet another dehumanized 86th faction's squadron in the continuous war against the Legion. On the Western Front, Shinei Nouzen and his squad are quarantined in a military base controlled by the Federal Republic of Giad, formerly known as the Giadian Empire. The newly-established government grants the saved Eighty-Six full citizenship and freedom. Housed by the president Ernst Zimmerman himself, the group meets his adoptive daughter and the last Empress, Augusta Frederica Adel-Adler. However, within the calm of this tender society, Shinei and his team feel that their purpose is on the battlefield. Before long, they are once again in the midst of the Legion's onslaught as a part of the Federacy's Nordlicht Squadron, accompanied by Augusta Frederica. But, as history repeats itself, they realize that no matter the side, death and pain on the front lines are the only comfort they know. [Written by MAL Rewrite]

The cyborgs are no longer on duty, they live normal lives until a mysterious space ship lands on earth. The only survivor on the ship warns about an evil conqueror called Zoa that wants to conquer the universe, which means the cyborgs are back in action... (Source: ANN)

Aoba is a young girl who loves to build models of robots. She lived alone with her grandmother until her grandmother passes away. Shortly after she is kidnapped and brought to a secret base where she discovers a huge robot. The piloted robots fight against Ancient-Jinki in The Grand Savanna, but the true meaning behind the fights is hidden. Aoba works hard at the base so one day she can pilot one of the robots and discover these secrets.