Ten years earlier, the malevolent scientist Dr. Hell commanded his sinister cohort, the Underground Empire, in a campaign to annihilate humanity. The young savior Kouji Kabuto confronted these forces while piloting the legendary mecha Mazinger Z, and his triumph halted Dr. Hell"s plot, restoring global peace.
Today Kouji has abandoned the cockpit and pursued science in his own right, honoring the legacy of his father and grandfather. Yet a sudden discovery beneath Mt. Fuji unleashes an even greater menace, reshaping Kouji"s destiny forever. With the world"s future hanging in balance, Kouji and Mazinger Z must decide between righteousness and darkness. Their choices will determine whether humanity survives the looming catastrophe or succumbs to a new era of terror for all.
