In this manga adaptation of the popular light novel series, the world's strongest sage will stop at nothing to get stronger... not even reincarnation! The demons are scheming to revive an ancient chaos demon, and Matthias's party will need a Man-Eater Blade to oppose this one! The sword happens to be kept near a beachside resort town, where an elite demon awaits all challengers!! What will Matthias's strategy be to confront this foe? Along the way, even Gillas and a Matthias impostor show up!