A Certain Magical Virtual-On

Genre : Action

A Certain Magical Index is a light novel series written by Kazuma Kamachi and illustrated by Kiyotaka Haimura. The story follows Toma Kamijo, a high school student from Academy City, and his meeting with Index, a young nun from the Church of England whose mind has been implanted with 103,000 grimoires of the Index Librorum Prohibitorum. The series and its spin-off, A Certain Scientific Railgun, have been adapted into several video games.