Kazuma Kamachi is a Japanese light novel author and creator of themassively popular
series, A Certain Magical Index, its sequel, A CertainMagical Index: New Testament,
and a manga adaptation, as well as two spin-offmanga series, A Certain Scientific
Railgun and A Certain ScientificAccelerator.
"First published in Japan in 2021 by Square Enix Co., Ltd."--Colophon.