Rihan and Kurotabo join forces in decadent Edo Period Japan, forming an otherworldly bond in order to vanquish their enemy. Little do they know that the Hundred Stories clan and its leader - the dreadful, dismembered Sanmoto - are far from defeated! Back in the present, a yokai named Kudan is spreading rumors that Rikuo is bent on world destruction and must be stopped by any means…