A CERTAIN SCIENTIFIC RAILGUN VOL. 20

THE MASTERMIND FINALLY MAKES THEIR MOVE!A new academic year begins at Tokiwadai Middle School, bringing in fresh faces! But just as they dust off their books, a spate of incidents involving abilities occurs in Academy City, and the entire student body falls under suspicion. Meanwhile, Shirai Kuroko, a member of Judgment and a new student at Tokiwadai, begins investigating the incidents, only to find a mysterious message left on an office computer…