Akina and co. have journeyed to the Ise Grand Shrine to have a sitdown with the one and only elder god Izanami-no-Mikoto, whom informs them of a divine plot to sever Sakurashin from the very flow of time come Zero Hour of October 1st, thereby setting the stage for the final battle against death incarnate, Oushuu Hiizumi, Akina's ancestor and the devourer of innumerable souls. And so, the fate of the world now rests in the hands of the few.