Akagi is a Japanese manga series created by Nobuyuki Fukumoto, focusing on the game of mahjong. The story follows Shigeru Akagi, a young and talented player who rises through the ranks of the underground mahjong scene, showcasing his strategic skills and psychological tactics. The series is known for its intense gameplay and character development, exploring themes of risk, ambition, and the consequences of gambling. Akagi has gained a cult following and has been adapted into an anime and live-action film, further popularizing the world of competitive mahjong.