Hibiki and Hongo, who died after being shot suddenly from the Self-Defense Forces station, which was supposed to be an evacuation center, aim for Yokohama outside the blockade area in the extreme state of the absence of a leader. Meanwhile, evacuated to a huge shopping mall... There were new survivors! A mysterious beauty is seeking help, but behind that... a mysterious group armed with a sword! On the other hand, Kurumi jumps out of the camp to find your beloved partner, Hibiki!