There are gamblers out there who even bet their lives as ante. But to secure the integrity of these life-threatening gambles, a violent and powerful organization by the name of “Kakerou” referees these games as a neutral party. Follow Baku Madarame a.k.a. Usogui (The Lie Eater) as he gambles against maniacal opponents at games – such as Escape the Abandoned Building, Old Maid, and Hangman – to ultimately “out-gamble” and control the neutral organization of Kakerou itself.
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Links:
<ul>
<li><a href="https://www.animenewsnetwork.com/encyclopedia/anime.php?id=14163">OAV on ANN</a></li>
</ul>

Read the comic Usogui online, along with others like The Beginning After the End, Solo Leveling, Omniscient Reader's Viewpoint, Jujutsu Kaisen, The Greatest Estate Developer, Revenge of the Baskerville Bloodhound, The Swordmaster's Son, After Ten Millennia in Hell, I’m the Max-Level Newbie, My Blasted Reincarnated Life

Action

Drama

Gore

Mafia