Alf, one of the kingdom's official cursebreakers, is sentenced and punished to be thrown into the abyss for crimes he did not commit. Before his very eyes lies a never-ending labyrinth... In this dungeon, that no one has ever escaped from, Alf meets a mysterious beauty!? The curtains open to the grandiose revenge story of a man who lost everything after being betrayed by his own ally!! (Source: Shueisha, translated)