"Tobaku Mokushiroku Kaiji" is a Japanese manga series created by Nobuyuki Fukumoto. It follows the story of Kaiji Itou, a down-and-out man who becomes embroiled in high-stakes gambling to escape his debts. The series explores themes of desperation, risk, and the psychological aspects of gambling. The manga was first serialized in 1996 and has since inspired several adaptations, including anime and live-action films. It is known for its intense storytelling and complex characters, making it a significant work in the gambling genre within Japanese pop culture.