The Irregular at Magic High School

is a Japanese web novel series by Tsutomu Satō. It was published between October 2008 and March 2011 on Shōsetsuka ni Narō. Shōsetsuka ni Narō is an internet web novel website. Satō started releasing his work in a light novel format from July 2011. In this story, magic exists and is made better through technology. The story is about Tatsuya and Miyuki Shiba, brother and sister. They both start studying at First High magic high school.
An anime series based on this manga was produced by Madhouse. It was aired between April and September 2014. An based on an original story by Satō was released in Japan on June 17, 2017. The second season of the anime series by Eight Bit it is was aired between October and December 2020.
The light novels appeared on Sugoi Japan's 2015 polls. Since 2011, it is one of the top-selling series in Japan with 10 million copies sold as of 2019. Its manga and anime adaptations also appeared on top-selling charts.