Rent Gravion: Vol.1 (2002)

When mankind faces an alien force with technology light years ahead of its own, it may take a man obsessed with the past to save the Earth. The fate of humanity rests on whether the eccentric billionaire Sandman can build a machine as great as the myths of old. His creation is a god for the modern age, a forged circuits and steel - it is Gravion! Only a young band of orphaned misfits are born with the ability to pilot this top secret weapon. All life on the planet depends on how well they can fight the Zeravire - if they can only stop fighting amongst themselves! Contains Episodes 1-5.