No Game No Life (ノーゲーム・ノーライフ) is a Japanese light novel series by Yuu Kamiya. It is published under the MF Bunko J imprint with twelve novels released between April 25, 2012, and February 25, 2023. The author and his wife, Mashiro Hiiragi, adapted the novels into a manga series for Monthly Comic Alive in 2013. Later that year, an anime adaptation of No Game No Life by Madhouse was announced. It premiered on AT-X between April and July 2014, and was simulcast outside Japan by Crunchyroll. An anime film adaptation of the sixth volume, No Game No Life: Zero, premiered on July 15, 2017. A spinoff manga, No Game No Life, Please!, focusing on the character Izuna, ran from May 27, 2015, to November 27, 2017. A second manga adaptation, focusing on volumes two and three of the light novel, ran from November 27, 2021 until January 2025, when it went on an extended hiatus. The No Game No Life franchise was localized in North America by several companies: Seven Seas Entertainment licensed the first manga adaptation, Sentai Filmworks the anime, and Yen Press the light novel series, as well as the second manga adaptation and spin-off manga.
The series follows Sora and his younger stepsister Shiro, two hikikomori who make up the identity of Blank, an undefeated group of gamers. One day, they are challenged by the god of games to chess and are victorious. As a result, the god summons them to Disboard, a world where stealing, war, and killing are forbidden, and all matters are decided through games, including national borders and even people's lives.