The saying goes that what doesn’t kill you makes you stronger, but that doesn’t apply to Sung Jinwoo, the world’s most feeble hunter. After a savage defeat at the hands of monsters in a top-tier dungeon, Jinwoo returns with a unique System—a program visible only to him—that enhances his abilities in every aspect. Now, driven by curiosity, he is determined to uncover the mysteries behind his newfound powers and the dungeon that gave rise to them.