Keiichi Sigsawa
Keiichi Sigsawa is a light novel author in Japan that was initially known for his series Kino's Journey. He was a finalist in the 6th Dengeki Novel Prize, and has been serialized since 2000. In 2014, he began writing Sword Art Online Alternative: Gun Gale Online, an official spin-off of the popular light novel series Sword Art Online by Reki Kawahara A self-proclaimed "gun nut", his pen name is derived from SIG Sauer, a gun manufacturer, and a manga character, Keiichi Morisato. His gun mania started during time he spent in the United States, where gun laws are much less restrictive as compared to his native Japan. Thanks to his experience with real firearms, he was brought onto the anime Sword Art Online II's production team to oversee small arms. Thanks to this experience, he was able to ask and the Dengeki Bunko Editorial Committee for permission to write an SAO spin-off, which was granted



