Super High Speed Galvion features mecha designs by Ohata Koichi (of Gunbuster fame). In the 23rd century billionaire Midoriyama Rei creates a secret organization called Circus to combat a hidden group called Shadow that is taking over the world. When she can't find qualified pilots for Circus' main mecha, the Galvion, she cuts a deal with two convicts, Mu and Maya, to lead the fight against Shadow.

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