Six months after the massacre at her faux hometown, Saya has set out on a mission to exact revenge on Fumito, who had since then become a powerful dictator enforcing censorship throughout Japan.
2112; the summer before Akane Tsunemori was assigned to Criminal Investigation Department. Teppei Sugo, an accomplished pilot of the Defense Army, joins the military operation in Okinawa. Three months later, an unmanned combat drone