Madame Marissa knows that sitting on the face of a slave accomplishes the task of punishment for her. She knows that it can both be humiliating as well as painful and that is why she enjoys using it all the time. No one can get used to being choked while facesat on. She likes to do it while wearing her jeans so as to make it more painful for whoever she is facesitting on.
Madame Marissa wanted to show her slave what she does to people who disobey her. She had to prove a point so she did it using her facesitting and breathplay fetish. She facesat on her slave on the couch and she degraded him besides nearly choking him. She made him feel pain too. He nearly panicked as she facesast on him and he peed his pants. She facesat on him some more for peeing on himself.