Iku Kasahara

Iku Kasahara is the main character of the series. She is twenty-two-years-old and is initially ranked Librarian First Class, but is later promoted to Chief Librarian. She joined the Library Defense Force's Kantō Library Base in 2019 after being inspired by a high ranking Kantō Library Defense Force member who saved a book she wanted to buy that was targeted for censorship. She holds this unknown person in high regard, thinking of him as her "prince", and she wants to be an "ally of justice" as he was for her. As such, she has a strong sense of justice when it comes to freedom of expression and...