Natsumi Becomes a Robot?

You're Under Arrest! – Season 3

Bokuto Station receives a visit from a research company who is hoping to facilitate the police officer's tasks with some of their latest and greatest robots. They have Miyuki demonstrate manipulating a large robot that could be used for disaster rescues, and Natsumi gets to dress up in a body suit that boosts her muscular power. The robots are demonstrated at a convention but something goes wrong when someone named Doctor Suu shuts them down and brings in another robot.