[3] A third manga, titled Sword Art Online: Fairy Dance (ソードアート・オンライン フェアリィ・ダンス) and illustrated by Hazuki Tsubasa, began serialization in the May 2012 issue of Dengeki Bunko Magazine.
[7] A spin-off manga starring Lisbeth, Silica, and Leafa, titled Sword Art Online: Girls Ops (ソードアート・オンライン ガールズ・オプス) and illustrated by Neko Nekobyō, began serialization in the July 2013 issue of Dengeki Bunko Magazine.
[9][10] A manga adaption of Sword Art Online: Progressive, illustrated by Kiseki Himura, began serialization in the August 2013 issue of Dengeki G's Magazine.
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.
An eighth manga, titled Sword Art Online: Mother's Rosario and also by Hazuki Tsubasa, is based on the seventh volume of the novel series and began serialization in the July 2014 issue of Dengeki Bunko Magazine.