Kūbo Ibuki is a Japanese manga series written and illustrated by Kaiji Kawaguchi with cooperation by journalist Osamu Eya. It was serialized in Shogakukan's seinen manga magazine Big Comic from December 2014 to December 2019. A sequel, titled Kūbo Ibuki Great Game, began in the same magazine in December 2019. A live-action film adaptation premiered in Japan in May 2019. By October 2022, the manga had over 8 million copies in circulation.