Kazuma Kamachi

Kazuma Kamachi is a Japanese light novel author. He is best known for A Certain Magical Index, a series published by ASCII Media Works under its Dengeki Bunko imprint since April 2004, followed by the sequels New Testament and Genesis Testament. Its universe has grown into a large franchise: the manga spin-offs A Certain Scientific Railgun and A Certain Scientific Accelerator, written by Kamachi and drawn by other artists, and several anime adaptations. His other works include the light novel series Heavy Object. He keeps a very private public profile.