Library Wars is a 2013 Japanese film based on the light novel series Library War by Hiro Arikawa. Produced by Sedic International and distributed by Toho, the film was directed by Shinsuke Sato from a script written by Akiko Nogi. It stars Junichi Okada as Atsushi Dojo and Nana Eikura as Iku Kasahara, alongside Kei Tanaka, Sota Fukushi, Naomi Nishida, Jun Hashimoto, Kazuma Suzuki, Kazuyuki Aijima, Kyusaku Shimada, Kiyoshi Kodama, Chiaki Kuriyama, and Kōji Ishizaka. In the film, Kasahara joins the Library Defense Force, an organization tasked to protect libraries against the Media Betterment Committee from censorship, where she meets Dojo as her instructor.