The Level-Up Addict Becomes Unstoppable in the Dungeon

In the early days of a fantasy-reborn Japan, dungeons have suddenly emerged.

Along with them come levels, skills, and magic. The “mana stones” harvested from within these dungeons have rapidly spread across the globe as a new energy resource with unparalleled power-generation efficiency.

The world is undergoing a transformation of unprecedented scale and speed.

The protagonist, Takeo Samejima, was possessed by a singular, burning desire: to level up in real life. He spent all three years of high school in meticulous preparation. Upon graduation, he chose neither higher education nor a career, instead registering as a professional “Seeker.”

Takeo burns with a pure, obsessive passion for nothing but raising his level. However, the chaos of this new era cannot ignore the contradiction of an “ordinary citizen who is also high-leveled.” Precisely because of the immense power he has acquired, Takeo finds himself relentlessly dragged into the heart of various incidents and world-altering conflicts.