Mistress Evgenia did not want her ex to think that it was ok for him to try and come back to her life as if what he had done was nothing. She did not want to let any of that piss her off and so she used her pee to punish him. That is how he learned his lesson and he never tried to sneak up on her. He moved on.
Madame Ellen was tired of tolerating her husband's infidelity. She had to get the message to him that she would not be condoning it any further and that is why she used her domination fetish to punish him. He was whipped after he was tied up and he was in a lot of pain. But instead of letting him go, the mistress peed on him and laughed at him as he cried.
Mistress Nemezis loves to humiliate and today she chose to do it with her pee. She loves to pee on people because it is a cool way to have fun and also to humiliate if she chooses that. This guy did not cooperate with her so she did not feel anything when she dominated as well as humiliated him with her pee. The poor guy had learned his lesson the hard way.
Mistress Penelopa wanted to experience what it was like to pee on herself. That is why she went to the bathroom and she did it. She also had her slave on hand to clean up after her as she peed on the floor. The mistress wanted it to be something fun for her but a punishment for the slave. It happened as she wanted because the slave had no say in the matter.