In the story, the seasons have changed, and it will soon be spring before the main characters’ second year in high school. The poor student/older brother Tatsuya and the honor student/younger sister Miyuki have finished their first year at their magic high school, and are on their spring break. The two go to their villa on the Ogasawara Island archipelago. After only a small moment of peace, a lone young woman named Kokoa appears before them. She has abandoned the Naval base, and she tells Tatsuya her one wish.
The Irregular at Magic High School, known in Japanese as Mahōka Kōkō no Rettōsei is a Japanese web novel series by Tsutomu Satō. It was published on Shōsetsuka ni Narō, an internet web novel website, between October 2008 and March 2011. Satō reached a deal with Dengeki Bunko and began releasing his work in a light novel format beginning July 2011. In 2013, each story arc received a manga adaptation with varying manga artists and publishers. That same year, an anime adaptation by Madhouse was announced and was broadcast between April and September 2014. The Irregular at Magic High School franchise had been localized for English by two companies: The light novels and one of the manga adaptations are licensed by Yen Press while Aniplex of America licensed the anime series. The anime series was simulcasted on four networks, and was later made available on Netflix.
Three video game adaptations have been made for the franchise. The first is The Irregular at Magic High School: Out of Order by Bandai Namco Entertainment. It is a 3D fighting game for the PlayStation Vita and was released on December 25, 2014. The second game is The Irregular at Magic High School: School Magicus Battle, a Japanese role-playing game by Mobage. It was made available for Android, iOS, and feature phone on June 9, 2014.The third game is The Irregular at Magic High School: Lost Zero, developed by BeXide and published by Square Enix. It was made available for the Android and iOS on September 4, 2014.