Iku is about to face her most difficult challenge—her parents are coming to visit the library where she works! When she joined the Library Forces, she told her parents that she was just going to be a librarian. Now they might discover that she’s on the ultra-dangerous Task Force. Can her parents ever accept that she’s a library warrior?

In the near future, the federal government creates a committee to rid society of books it deems unsuitable. The libraries vow to protect their collections, and with the help of local governments, form a military group to defend themselves—the Library Forces!