Set 18 months after movie "Library Wars." 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.
Junichi Okada
Nana Eikura
Chiaki Kuriyama
Kei Tanaka
Sota Fukushi
Koji Ishizaka
Tori Matsuzaka
Tao Tsuchiya
Aoi Nakamura
Naomi Nishida
Jun Hashimoto
Ryōta Wada