Broken Blade is a Japanese manga series written and illustrated by Yunosuke Yoshinaga. Flex Comix published the first tankōbon volume of the manga on April 10, 2007. The manga was previously licensed in North America by CMX, where three volumes were released before CMX shut down.The manga is licensed in Taiwan by Tong Li Publishing. The manga was adapted into six 50 minute animated movies. Sentai Filmworks has licensed the movie series and will release them on DVD and Blu-ray in 2012.