On the surface, Jiro appears to be a normal teenager--but he's really Kikaider, a super-powered android. He can save humankind from an army of destructive robots, but only if his unstable "conscience circuit" doesn't destroy us first! After managing to defeat his "brother," a weakened Jiro is unable to stall the plot that could mean the end of mankind! The agents of D.A.R.K. are everywhere, and evil mastermind Gil Helbert has prepared for every eventuality.except the determination of the two "siblings" to find their lost sister.