Getter Robo: Armageddon E 7

Their efforts, however, are in vain as they fail to stop a nuclear warhead from hitting shin dragon, resulting in a massive getter ray contamination that wipes out 99% of the planet's population. With remnants of the japanese military by his side, go - along with co-pilots kei and gai - must use shin getter to exterminate the invaders once and for all.