In Japan's Warring States period, demons known as "warlords" run rampant, as they feed on the malice of humanity. The people cower in fear at the warlords' oppression, and impotently accept their subjugation. But there is one ray of light that strikes through the darkness. The only people with the strength to resist the warlords, are a special group of women, shrouded in secrecy. They are known only as: "Kunoichi" and they, too, are creatures of darkness.