Kasahara Iku and Dojo Atsushi receive an emergency recall in the middle of their date as Japan is rocked by a terror attack. Their new duty is a protection detail assigned to Touma Kurato, an author. Meanwhile, the relationship between Librarians and the Media Purity Committee is also worsening. During yet another hostile confrontation, Dojo is seriously wounded. Although Kasahara is badly flustered by this turn of events, Dojo still sees fit to entrust her with Touma's protection.