After saving the captured people from vampires, Yu and his unit reach Shinjuku. However, by the time they reach there, the war had already begun and some vampires had gotten through. To prevent Shijuku from falling, they must fight off the vampires.

Finally, Mika and Yu reunite, but their circumstances does not allow for much time. Mika tries to "save" Yu from the humans, who have been experimenting on him, but Yu wants to save his squad. Torn between Mika and his squad, something in Yu is awaken...