Chikage Rokuouin (鹿王院千景) is the EX-ARM Countermeasures Section Chief. She calmly takes command of the scene as an assistant to the chief of the Shiga section. She is good at FPS games.

Ex-Arm
Akira Natsume seems to almost have a phobia of electrical devices while also being very good at diagnosing them. He resolves to change himself for the better and get a girlfriend like his older brother did. ...But then Akira suddenly dies in an accident. 16 years later a special policewoman and her android partner retrieve and activate a highly advanced AI and superweapon called EX-ARM and put it into full control of their ship as a last resort. Turns out the AI is actually just Akira's brain!

Ex-Arm (Manga)
Akira Natsume seems to almost have a phobia of electrical devices while also being very good at diagnosing them. He resolves to change himself for the better and get a girlfriend like his older brother did. ...But then Akira suddenly dies in an accident. 16 years later a special policewoman and her android partner retrieve and activate a highly advanced AI and superweapon called EX-ARM and put it into full control of their ship as a last resort. Turns out the AI is actually just Akira's brain!

Ex-Arm EXA (Manga)
Sequel of Ex-Arm.