Kengan Ashura (ケンガンアシュラ) is a Japanese manga series written by Yabako Sandrovich and illustrated by Daromeon. It was serialized on Shogakukan's Ura Sunday website from April 2012 to August 2018, with its chapters compiled into twenty-seven tankōbon volumes. A sequel, titled Kengan Omega, began in January 2019. It was adapted into an original net animation (ONA) anime series. The first 12-episode part premiered in July 2019 through Netflix; the second 12-episode part premiered in October of that same year. A second season premiered in September 2023; the second part is set to premiere in 2024.