Youko Nakamura

In 1966, five kids were abducted by an extra terrestrial group known as the Alien Hunters for the Reconstructive Experiment Empire Mess for the purpose of experimenting on human subjects. The kids were rescued by the Flash alien race an arch enemy of the Mess, and were each take to a different planet for safe asylum in the Flash solar system. Each child was trained separately with a different form of super power as a way for each of them to defend themselves from the Mess Empire. (imdb)

Big Rally! Titan Boy! is the second movie of Choushinsei Flashman. It is a theatrical edit of episodes 15 to 18: The Giant Robo is Worn Out, The Human Minimini Plan, The Mysterious Giant Reckless Car! and Big Turnaround! The Transforming Robo.