刀劍神域
A sixth manga, titled "Sword Art Online: Phantom Bullet" and illustrated by Kōtarō Yamada, had its first chapter serialized in the May 2014 issue of "Dengeki Bunko Magazine", with following chapters being digitally serialized on Kadokawa's Comic Walker website. A seventh manga, titled "Sword Art Online: Calibur" and illustrated by Shii Kiya, was serialized in "Dengeki G's Comic" between the September 2014 and July 2015 issues. A single compilation volume was released on August 10, 2015. An eighth manga, titled "Sword Art Online: Mother's Rosario" and also by Tsubasa, is based on the seventh volume of the novel series and began serialization in the July 2014 issue of "Dengeki Bunko Magazine". A ninth manga, an adaptation of "Sword Art Online Alternative Gun Gale Online", began serialization in the November 2015 issue of "Dengeki Maoh".