Minami Kogori is Frau's mother in the Robotics;Notes franchise.
Minami Kogori is a member of the staff that produced the Gunvarrel anime. While she and 13 others were creating the anime, Minami's brainwashing had somehow weakened and she was able to regain her will. Unfortunately, her other staff members had noticed this and attempted to murder her. Minami was able to survive this attack by killing her her fellow co-workers. Since then she has been branded a murder and has not been seen since.
Minami Kogori is created by 5pb, and she has no information regarding any inspiration used to create her. She first appears in Robotic;Notes visual novel game and makes her first anime debut in episode 13. Minami is voiced by ?.