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The Web Novel Mahouka Koukou no Rettousei (魔法科高校の劣等生), lit. "The Poor Performing Student of a Magic High School", and also known officially as "The Irregular at Magic High School", is a Japanese light novel series written by Satou Tsutomu (佐島勤), with illustrations by Ishida Kana (石田可奈), published by ASCII Media Works under their Dengeki Bunko label.
The novel began as a web novel serialization in "Let's Become a Novelist" on October 12, 2008.