One Outs is a Japanese manga series written and illustrated by Sōsuke Kaidō. It follows the story of Toua Tokuchi, a skilled gambler and former professional baseball player who uses his strategic mind to manipulate games. The plot revolves around his involvement with a struggling baseball team, where he employs his unique gambling techniques to turn their fortunes around. The series explores themes of risk, strategy, and psychological warfare, as Tokuchi faces off against various opponents. It combines elements of sports and gambling, making it a compelling read for fans of both genres. The manga has also been adapted into an anime, further expanding its audience.