Jeong Dawoon is thrust into a deadly, dungeon-style survival game with a nearly useless skill. After falling into a death trap, the dungeon resets—but Dawoon doesn’t. Labeled an anomaly, he gains repeated freedom in the same dungeon. Armed with creativity, resourcefulness, and a broken-but-useful skill, Dawoon begins his quest to survive, adapt, and uncover the secrets of this repeating nightmare.