A country girl who just came to Tokyo from the countryside is taking part in a survey in a room in the big city when the room suddenly goes dark!! Unable to see anything, she panics and runs around in a panic, but the night vision scope-wearing electric massager team sneaks up on her and plays with her as much as they want!! The invisible thrill and the stimulation from the electric massager gradually get her excited, and even when the lights come on, she still has sex!!