In a world connected to another dimension where dungeons have appeared, people who awaken to mysterious powers and defeat monsters to earn a living are called “adventurers.” Yuto Kirishima draws the rare job of “Sage,” but for some reason, his magic power is zero! As the weakest sage who can’t attack, he’s looked down upon and ridiculed daily. Eventually, even his comrades abandon him, using him as a sacrificial pawn. However, one day, a mysterious option appears before him: “Will you execute this?” When he responds, his abilities awaken, and the ultimate skill “Successor” activates. This allows him to wield the techniques of the ancient sages! Armed with the most powerful skill, Yuto begins his journey to rise as the strongest adventurer in this tale of struggle and triumph!