Some gamblers even wager their lives as the ante. To ensure the integrity of these life-threatening bets, a violent and powerful organization called "Kagerou" acts as a neutral referee. Follow Bak Madarame, also known as Usogui (The Lie Eater), as he gambles against maniacal opponents in games such as Escape the Abandoned Building, Old Maid, and Hangman, aiming to ultimately "out-gamble" and take control of the neutral organization Kagerou.