On the eve of his enrollment at the prestigious National Arelstar Academy, Yohhei Mochizuki, in a moment of whimsy, searched for his own name on a strategy summary site and discovered that he was a minor character in a game, destined to be killed off by the protagonist early in the story. Realizing he was in a game world, Yohhei, a rare Geist user, decides to defy his fate and become strong enough to challenge the protagonist. With the help of his partner spirit, who evolves into a beautiful girl, Yohhei aims to turn the tables on the game's narrative and prove that he is not just a weak mob.