10 years since dungeons began to appear in the world. Humanity, on the brink of extinction, received a gift from God. They suppressed the monsters that emerged from the dungeons. Hyun, who was a victim of the initial dungeon emergence, now lives alone with his sister, Sera. For those who have reached the age of 17, it is the time when God's power manifests. Hyun, who wishes to obtain a good job and live a normal life with his sister, is forced to be swept away by the currents of the universe due to his 'Devour' job. How will the journey of a boy who has just risen and still has little experience unfold as he fights against the cruel fate that has been bound to him?