Gambling Apocalypse: Kaiji is a Japanese manga series written and illustrated by Nobuyuki Fukumoto. It has been published by Kodansha in Weekly Young Magazine since February 1996. The story centers on Kaiji Itō, a consummate gambler and his misadventures around gambling. The series has currently been divided into six parts. The current part Tobaku Datenroku Kaiji: 24 Oku Dasshutsu-hen started in 2017.