E-rank hunter Jinwoo Sung thought he would die in the double dungeon, but instead, he heard a mysterious voice telling him that he's now a Player? This new leveling system is something he's never seen or heard of and comes with its own set of rules, monsters, and even dungeons! Jinwoo's not sure how or why this is happening to him, but if it can make him stronger, he's ready to give it everything he's got!