Dangerous Dungeon Escape던전 탈출이 너무 힘들다; Escape the Dungeon Is So Hard

Go Insung did not pass onto hell or heaven after suddenly dying, but instead onto a dungeon. A place in between the afterlife and the world. And it’s no normal dungeon, but one with a system. While being watched by the numerous dead of the afterlife, Go Insung has to clear the dungeon with the other challengers in order to escape.