Summary
As if the Gastrea had not been bad enough. Now, a new virus is infecting mankind and, once again, the Cursed Children are the only ones who can save them all. The girls must find a way to stop the virus before they are no longer immune. With Aoki-san, they must survive and find a cure. But, the virus has a different effect than expected - Chances of survival are slim at best. (PT1)