Tatsuya Shiba is the main protagonist of the anime series Mahouka Koukou no Rettousei, also known as The Irregular at Magic High School. He is a first-year student at First High School, where students are segregated based on their magical abilities. Known as a Course 2 student or 'Weed,' Tatsuya is perceived as magically inept, yet he possesses extraordinary technical skills and combat prowess. Tatsuya's role in the series revolves around his protective relationship with his sister, Miyuki, and his involvement in various conflicts that challenge the magical status quo.