The ninja best-known as the Mystic Shadow Warriors were the selected combating forcefulness of ninth-century feudalistic Japan. The evil Shogun Kunitoki was once beaten, but he has concentrated all his mysterious powers to make a modern-day dictatorship in Manhattan. Face your archenemy Kunitoki in the citified jungle and suppress him with your class skills. Transported to 1988 Manhattan by an unidentified force, the ninja leader Armakuni must find a way to support himself against the nameless risks that lie before him. Will this be the concluding battle? Can you beat the evil Kunitoki forever?