KaijiKaiji.

Gambling Apocalypse: Kaiji (Japanese: 賭博黙示録カイジ, Hepburn: Tobaku Mokushiroku Kaiji) is a Japanese manga series written and illustrated by Nobuyuki Fukumoto. The story centers on Kaiji Itō, a consummate gambler, and his misadventures around gambling. It was serialized in Kodansha's seinen manga magazine Weekly Young Magazine from 1996 to 1999, and has been followed by five series: Tobaku Hakairoku Kaiji (2000 to 2004); Tobaku Datenroku Kaiji (2004 to 2008); Tobaku Datenroku Kaiji: Kazuya-hen (2009 to 2012); Tobaku Datenroku Kaiji: One Poker-hen (2013 to 2017); and Tobaku Datenroku Kaiji: 24 Oku Dasshutsu-hen (since 2017).