et in the year 2019 in Japan. In order to crack down on free expression, a new law is passed, which allows for the government to create an armed force to find and destroy objectionable printed material. Meanwhile, to oppose this oppressive crackdown, the Library Force is created. The Library force, including instructor Atsushi Dojo and Iku Kasahara, work to protect the libraries. A fierce battle then ensues between these two groups.

Overview from themoviedb.org