Liar Game - Roots of A

Wishing she would live up to the ideal, Kanzaki Nao's father named her thusly for “honesty”. Nao has more than lived up to her father's wishes--even exceeding them and earning the label of "a foolishly honest girl". This makes Nao the least qualified candidate for the high stakes 'Liar Game', where winning requires deceiving the opponent out of their money and losing means receiving massive debt. However, that doesn't stop a box containing a hundred million yen in cash and a card informing her of her participation in the game from arriving at her doorstep, nor does it stop her from being promptly tricked out of the entire sum of money. Upon hearing that a genius swindler, responsible for the bankruptcy of a major corporation, is being released from jail, Nao goes to the swindler, Shinichi Akiyama, to enlist his help. With that, the two are drawn into the dark, greed-filled, and deceptive world of the Liar Game.

After being inspired by Professor Yukiya Okabe, fourth-year student Shinichi Akiyama has decided to pursue graduate studies to learn more about the human mind. While Akiyama is having a one-on-one consultation with the professor, a faculty member from another department, Mitsumasa Iwashita, interrupts the two. As Iwashita urgently requests to discuss an important matter with Okabe, Akiyama cuts his consultation short. However, that does not stop Akiyama from eavesdropping on their conversation. He overhears that the science entrance examinations have been stolen, and one of his close friends, Kouichi Aratani, is accused of being responsible for this occurrence. Having known him since high school, Akiyama believes that his peer would never commit such an offense. With the guidance of his professor, Akiyama goes through every possible detail in this exceedingly intricate case. (Source: MAL Rewrite)