In ancient feudal Japan, a legendary warrior known as the Demon King ruled alongside a group of demons called the Kyouma. It took the combined strengths of ten warriors to seal away the Demon King and maintain control over the Kyouma. However, a formidable Kyouma named Lord Shindigan seeks to release the Demon King once more. Now, the reincarnations of the original warriors must unite to prevent this cataclysmic event and protect the world from impending doom.