You never expected your house maid would find your key and then blackmail you to stay her little toy when she caught you wearing your cage and took some photos. If you fired her, she would just release the embarrassing photos.
The pain of the small cage and a plug that was 2 sizes bigger than you were used to was almost too much, but the pure pleasure you were feeling from the rush of arousal was enough to keep you going forward with your training.
