Mistress Sofi is a secretive person and she did not want her slave being overly friendly with her neighbors as she did not want them all up in her business. So she used her bare feet and her foot fetish to torture and dominate him. He was shocked that she could be so cruel and unforgiving. But she did it so that he would never forget and do it when she was not around.
Princess Kira was shocked to find out that her boyfriend had been lying to her about various things. She knew she could not go on like that and she had to make things change. So the mistress chose to gag him and get the truth from him. As he choked, he told her the truth and he also pledged that he would never lie to her again. He kept his word.