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.
A popular fashion model, Hikari Fujimi, has more than one identity. To avenge her parents, who were killed by the leader of a crime syndicate, she received training to become an assassin from Nirasaki, her father’s right-hand man. With multiple personalities-- herself; a woman with superhuman skills; and an innocent girl who repents her sins-- she changes at will.
