Naos father named her "honesty" because he wanted her to live up to an ideal. Despite exceeding her fathers expectations, Nao is not qualified for the high stakes "Liar Game," where winning requires deceiving opponents and losing means receiving debt. However, a box containing a hundred million yen in cash and a card informing her of her participation in the game arrive at her doorstep. Despite being tricked out of the entire sum of money, Nao goes to Shinichi Akiyama, a genius swindler responsible for the bankruptcy of a major corporation, to enlist his help with the Liar Game. This draws them into the dark and deceptive world of the game.
The first four volumes of Liar Game were published in Spanish by Planeta DeAgostini between 2009 and 2011.