In the midst of defeating the notorious Necromancer, The Corpse God, a renowned hero faces an unforeseen obstacle in the form of the sorcerer's last and desperate attempt at reincarnation magic. Caught off guard, the intrepid warrior finds himself transported to an entirely unfamiliar world, reborn as the youth Polka Shinoyama. The previously anticipated conflict between the forces of good and evil has now elevated to an epic battle.