"Kaiji" is a popular Japanese manga and anime series that follows the story of Kaiji Itou, a down-on-his-luck man who finds himself deep in debt. To escape his financial troubles, he is drawn into high-stakes gambling games where the risks are life-threatening. The series explores themes of desperation, strategy, and the human spirit as Kaiji faces various challenges and opponents. Throughout his journey, Kaiji encounters a range of characters, each with their own motives and backstories. The intense psychological battles and clever tactics make "Kaiji" a gripping tale of survival and cunning. Fans appreciate its unique blend of suspense and moral dilemmas, making it a standout in the world of gambling-themed stories.