At first you just paid her to come over and tease you, then it turned to dressing you up, then to chastity, now she demands not to be paid but to get to peg you anytime you want her over. You never knew you'd like it, but after 5 weeks of being locked,
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.