Volume 13

Volume 13 is the thirteenth volume of the Call of the Night manga series written and illustrated by Kotoyama.

Synopsis (Viz Media)
Ko’s powers increase formidably and dangerously. Nazuna learns a new vampire rule about love that could be her undoing. To make matters worse, an enemy discovers the object capable of destroying her! Meanwhile, while Azami and Susuki continue to pursue heartless vampire Kiku, Kiku meets…Mahiru’s mom?