Dengeki Kamachi Kazuma 10th Anniversary Bunko (「電撃鎌池和馬10周年記念文庫」,Dengeki Kamachi Kazuma 10th Anniversary Bunko?), full name Ichiban Kuji Lottery Limited Dengeki Kamachi Kazuma 10th Anniversary Bunko (一番くじ限定「電撃鎌池和馬10周年記念文庫」,Ichiban Kuji Lottery Limited Dengeki Kamachi Kazuma 10th Anniversary Bunko?), is a collection of eight stories written by Kamachi Kazuma, which had previously only seen limited release. It is given by winning S-Rank Prize of Ichiban Kuji Lottery. Ichiban Kuji Lottery is a part of 10th Anniversary Project #5, Kamachi-themed Ichiban Kuji Promotion.
Toaru Majutsu no Heavy na Zashiki-warashi ga Kantan na Satsujinki no Konkatsu Jijou is a crossover novel written by Kamachi Kazuma and its preview was released on November 25, 2014.
Toaru Majutsu no Index Gaiden Toaru Kagaku no Railgun Ore no Mikoto ga Konna ni Abare Mawaru Wake Ga Nai is taken from Ore no Imouto to Railgun Collaboration Project which was published on Dengeki Bunko's page on the Nico Nico service. It is a crossover web novel series written by Fushimi Tsukasa and Kamachi Kazuma. The first series was released on June 14, 2013 and the second series was released on September 5, 2013.
Sandy Short Program >> Second Oceanian Struggle is a short story that was published shortly after the release of Heavy Object, as part of the Heavy Object: First Contact book included in Dengeki Black Maoh Volume 10, released on December 17, 2009.
Killer Queen and Deep End was originally submitted for but did not win a Dengeki contest before Toaru Majutsu no Index was published. It was later published in Dengeki h onSeptember 2004 in response to Index's popularity.
Killer Device and Never End was written and published in Dengeki hP Vol. 37 in August 2005 due to the popularity of the first story.
Beyond the Mystery is a short story written by Kamachi Kazuma which was published in Dengeki hp Special 2005 Spring in March 2005.
Toaru Hourou no Imagine Breaker was supposed to publish in Dengeki hPa in October 2005, but it was unpublished due to unknown reason.