Taiga from the elementary division joins Rena and the others at Mihama Academy Class A; Chris gets named as her higher officer, and she asks Haruto, the handler for the reason.
A terrorist attack transpires at the medical university Taiga visited; Class A is ordered to stay put, but Chris ignores the order to rescue Taiga on her own.
Chris fights the terrorists with explosives but gets shot; Class A heads to the scene after receiving a warning; Class A's operation begins.
Murasaki's sister Yuuki returns to Class A; Rena is annoyed with her, and Murasaki doesn't seem herself.
Several years before, Haruto visited Yuuki's village to learn Phantom Blade; one day, the village gets ambushed and Murasaki suspects Haruto.
Haruto is born by an experiment; he is raised by Ichiru, Nogami and Aoi Aoi, a group of assassins.
Maaya Uchida
Rena
Ayane Sakura
Toka
Kaori Nazuka
Chris
Atsumi Tanezaki
Murasaki
Yoshino Nanjō
Maki
