Aka：图书馆战争2：最后的任务 / 도서관 전쟁: 더 라스트 미션 / Library Wars: The Last Mission / 圖書館戰爭2：最後任務 / Toshokan Sensou 2 / Cuộc Chiến Ở Thư Viện: Nhiệm Vụ Cuối Cùng
Summary：Set 18 months after movie Toshokan sensô (2013). After the government's enactment of the Media Betterment Act, battles wage between the Betterment Squads and the Library Defense. The Library Defense resists censorship and advocates freedom of expression. The biggest battle awaits for the Library Defense.
