マシンロボ
Catalogs packaged with the toys contained stories depicting the Machine Robos as beings from the Romulus system. Romulus was collapsing in on itself, and those beings who reached Earth became Machine Robo, while some became trapped in the Casmozone and mutated into monstrous Devil Invaders. This premise would later be abandoned in favor of a new storyline originating with the first MR anime "".