Manji, a highly skilled samurai, becomes cursed with immortality after a legendary battle. Haunted by the brutal murder of his sister, Manji knows that only fighting evil will regain his soul. He promises to help a young girl named Rin avenge her parents, who were killed by a group of master swordsmen led by ruthless warrior Anotsu. The mission will change Manji in ways he could never imagine.

When Alice Hayashi, the youngest person ever to go into space crashes her shuttle at the North Pole, she is thrown thirty years into the future. But her trip through time is far from accidental. The world is now ruled with an iron fist by Nero and his supercomputer, the SS10X. And because of a common link between her, Nero and the SS10X, Alice may be the future's only chance for freedom....