The second semester has started, and the third years have retired from their committees and clubs. A new student council launches, with Azusa as chairwoman and Miyuki as vice chairwoman. Meanwhile, Tatsuya joins the First High team for the Thesis Competition, and is asked to collaborate with Suzune and Isori. Initially, he tries to turn down the post, but hearing that Suzune's thesis topic is "the technical feasibility of a Gravity Control-type Magic thermonuclear fusion reactor," he agrees to join. On top of that, he is asked by his step-mother, Sayuri, to analyze a "Relic." But this Relic is being targeted by the Great Asian Alliance...