Some gamblers wager their very lives as stakes. To protect the fairness of these deadly wagers, a ruthless and formidable group called "Kagerou" acts as an impartial arbiter. Join Bak Madarame, known as Usogui (The Lie Eater), as he contests against deranged rivals in games—such as Escape the Abandoned Building, Old Maid, and Hangman—to ultimately outplay and seize command of Kagerou itself in the shadows of a city that never sleeps and secrets.