In 20 19 (normalization 3 1 year), in order to prohibit acts that disturb public order and good customs and violate human rights, the Media Reform Law has been tested for 30 years, and the war between the Media Reform Committee and the "Book Team" swept the whole of Japan. Kasahara Iku, a librarian who is eager to be a defender, does not confide in his parents, and conducts military training diligently every day. When I was in high school, I was almost robbed of my book by a media player, but a librarian saved him. In order to become a partner of justice, Yu took this librarian who didn't even remember his face as a prince and decided to join the book team and take on the responsibility of guarding books. Soon, Yu, who has excellent athletic ability and enthusiasm, was sent to the "library?" In the special forces " ...