In the year 2030, the end of the world happened with many people dying mysteriously, while the lone survivors were controlled by an app named “81 Fatal Questions”. After answering various questions and clearing the instance dungeons, survivors will be rewarded through the app. By competing against Death, only the ultimate winners will have a chance to survive. The genius heroine who has had a “bad luck debuff” since birth, takes her comrades with her on her journey. Can she clear the game and survive until the end?