The life of a young, Japanese schoolgirl is destroyed when her family is killed by a Ninja-Yakuza family. Her hand cut off, she replaces it with various machines-of-death, and seeks revenge.
Mark 13 is a government-built killing machine programmed with artificial intelligence, able to repair and recharge itself from any energy source. Through a series of coincidences, the cyborg's head ends up in the home of a sculptress as a bizarre Christmas present from her boyfriend. Once inside its new home, the cyborg promptly reconstructs the rest of its body using a variety of household utensils and proceeds to go on a murderous rampage.
After X-Corp, a radical weapons manufacturer, is taken over by a Cyber Virus, a group of survivors must fight to save humanity from the army of Machines the Virus now controls.
A group of researchers in Antarctica are abducted by a platoon of masked soldiers and dragged into a hidden continent in the center of the Earth. There, they discover that surviving Nazi soldiers are plotting an invasion of Earth to revive the Third Reich.
The evil Count Draculon and his army of demons have conquered Earth, but a young soldier who lost his life in the first war against Hell has reawakened in the future as MANBORG! Together with a crew of post-apocalyptic rebels, the half-man half-machine hero will fight to defeat Draculon and take back the planet!