Set in the near-future, a little-understood form of matter known as "Mile One" allows a powerful and influential Japanese family, the Gowa, to produce a bipedal weapon which they refer to as a Tactical Armor...

In the mid-1990's, Yasuhiro Imagawa adapted Mitsuteru Yokoyama's original manga, Giant Robo, into a 7-part OVA series entitled Giant Robo: The Animation - The Day the Earth Stood Still. Imagawa's adaption...