The Irregular at Magic High School Vol.1 The Beginning

At the end of the 21st century, states around the world are competing to train their magicians perfectly to maintain the balance of power. Miyuki and her big brother Tatsuya are accepted at the famous First State Magic High School and Miyuki is immediately elected as the representative of the new students. At the school there are Course 1 students, the so-called "Blooms", who are the elite due to their exam results and Course 2 students, the "Weeds", who are considered a kind of reserve in case a "Bloom" drops out. Tatsuya doesn't make it into the elite despite her outstanding abilities and from now on has to assert herself as a course 2 student. But suddenly, the school is targeted by the "Blanche" terrorists...