The Irregular at Magic High School

is a Japanese light novel series written by Tsutomu Sato, with illustrations by Kana Ishida. The series began publication on July 10, 2011 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Magic is a product of neither legends nor fairy tales, but instead has become a technology of reality since a time unknown to people. Supernatural power became a technology systematized through magic, while magic became a technical skill. A "Supernatural Power User" became a "Magic Technician." Magic Technicians (in short, Magicians) are nurtured through Magic High Schools and Universities.

This is a story about:

Tatsuya, a defective elder brother low achiever. Miyuki, a perfect, flawless younger sister high achiever. After both siblings entered a Magic High School, The stage of daily turbulence was unveiled—.

The Irregular at Magic High School
An anime adaptation of volumes 1-4, 6-7 of the light novel. It aired for 26 episodes from April 6, 2014 to September 28, 2014

The Irregular at Magic High School: Visitor's Arc
An anime adaptation of volumes 9 to 11 of the light novel. It aired for 12 episodes from October 4, 2020 to December 19, 2020