A long time ago, in the age of the myths, there lived the Brave warriors of the Goddess Amaterasu. Those warriors were destined to protect Amaterasu only with their own bodies. With their mythical Armors and inner ReiRyoku, Their fists could banish the sky, and their kicks were powerful enough to destroy earth. And now, in this age where evil and wickedness have grown rampant, these warriors called "Sei Kishi" A new legend of these brave warriors just begins...!