Super High Speed Galvion S01 E06 Look for the Great Assassination Weapon

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.