Toshokan Sensou anime follows Kasahara Iku as she becomes the Library Task Force's inaugural female member, embarking on a journey set in a futuristic, dystopian Japan. The Media Enhancement Law's introduction leads to censorship of media and literature, and the Library Defense Force forms in response. The military Task Force pledges to protect books and media freedom, and all major libraries have one. Iku and her squad work to secure rare books and artifacts from the Media Enhancement Law Commission's tyranny, blending love, war, and comedy in the series.