Satou and his friends have arrived in Satou's world with no way to return to Arnulus. Satou suffers from being unable to fulfill his duty as Ring King when Amber, the Ring Princess of Idanokan, the Land of Earth, appears before him

Satou and his friends return to Arnulus among countless corpses of imperial soldiers and monsters. Satou encounters the Abyss King in a hopeless situation. Using the Ring Princesses' power he challenges the Abyss King in a confrontation to save Arnulu

Hime's sister appears to teach the Ring Maidens how to use magic.