Mahōka Kōkō no Rettōsei: Out of Order

The Irregular at Magic High School (Japanese: 魔法科高校の劣等生, Hepburn: Mahōka Kōkō no Rettōsei; lit. "The Poor Performing Student of a Magic High School") is a Japanese web novel series by Tsutomu Satō. It was published on Shōsetsuka ni Narō, a web novel website, from October 2008 to March 2011. 32 volumes of the light novel were released by Dengeki Bunko from July 2011 to September 2020. The story takes place in the 2090s decade of Japan where technology has allowed magic to exist, and follows Tatsuya and Miyuki Shiba, siblings who enroll into the First High magic high school.