Sword Art Online Alternative Gun Gale Online Novel Volume 9 was written by Reki Kawahara and Keiichi Sigsawa with illustrations by Kohaku Kuroboshi.

Sparks fly as the fourth Squad Jam barrels towards its pulse-pounding conclusion. But are they the sparks of romance or high-grade explosives? With a marriage on the line, Fire is determined to win by any means necessary, and manages to win SHINC’s assistance in overthrowing LPFM. Meanwhile, Llenn’s team finally meets up with Boss’s crew, but Fire’s squad is there and ready to rumble as well! Who will emerge the victor?!