Strike the Blood, (Light Novel) Vol. 10

The Third Primogenitor's Central American empire, known as the Chaos Zone, has erupted into civil war. Just as Kojou and crew suspect that the anti-government forces are receiving support from the shadows, a mysterious suitcase arrives at Kojou's doorstep... send by Dimitrie Vattler. Opening the suitcase reveals a beautiful dark-skinned girl named Celesta sleeping inside. Lauding Vattler as her savior, Celesta disparages Kojou and Yukina with a poison tongue while they try to look after her. Unbeknownst to the three of them, however, Celesta harbors a terrifying secret...