Kurusu still struggles to use his vampire powers in combat as Code Zero investigates a series of strange deaths in the Yoshiwara red-light district.

Takeuchi and Suwa follow the mysterious vampire units. Meanwhile, Yamagami and Kurusu return to base, where they are surprised to find Maeda. How will each of them react as Nakajima reveals his true plan?

Defrott appears before Maeda as he lies injured in the rubble. The sight of Maeda prompts Defrott to reflect on the time he spent with Misaki. What events led up to her death, and how did she become a vampire?