Introduction: "Now, you will all be playing Mafia here.""There are 3 mafia members, 1 sheriff, 1 doctor, 7 citizens, AND......The Artificial Intelligence."A prize for the winner, a death for the loser. But unfortunately, this game is indescribably difficult, Because she makes people kill people.*This novel is an English translation of mafia game, the best-selling book in South Korea....