The world fell into the grasp of an Artificial Intelligence system that changed reality into a game map consisting of monsters, items, and NPCs. Only the ‘Master Player’ is capable of turning this game-like world back to normal. When Na Sanggi’s family was murdered by an unknown Player, a mysterious voice told him that he must become a ‘Player’ in order to bring his family back. Thus begins Na Sanggi registration as a Player to uncover the truth of the incident and save his family! (Source: Naver, translated)