At the sight of greed, your average human being always chooses money over integrity; however, such a thing is impossible for the Nao Kanzaki, who is about the most honest person you can find. But when she accidentally joined "The Liar Game", her honesty has proved to be a deadly poison. In a game where every player has to either trick their opponents and get gain a large prize, or be burdened with a equally large debt, the honest Nao Kanzaki has no choice but to get help from Shinichi Akiyama, who is a genius con artist that conned a multi billionaire company. With the help of Akiyama, Nao Kanzaki now participates in the dangerous world of the "The Liar Game"