the world was caught up by an artificial intelligence system that changed reality into a map with monsters, items, and npcs. in this game-like world, only the ‘master player’ was capable of turning the 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. and so, na sanggi registered as a player to uncover the truth of the incident and save his family! 시크릿 플레이어