Synopsis

It's 2041, and an alien force called Zeravire suddenly shows up in the solar system, obliterating military bases left and right. But a rich industrialist named Klein Sandman saw this coming—he'd been quietly building an army in secret to fight back. His secret weapon is Gravion, a massive robot powered by gravity itself. A guy named Eiji sneaks into Sandman's base hunting for his missing sister and meets Toga there. The two of them end up piloting Gravion alongside four other people to take on the Zeravire invasion.

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Genres