Mouth soaping for a schoolgirl

One of the harshest punishments for my Mistress is washing out my mouth with soap. It is humiliating and extremely uncomfortable at the same time. She uses it regularly. First, it serves as a gag, and secondly, to cleanse me and make me a better person out.

You can see more about "strict education" on the side of the Disciplinarian Mistress Sarah Mistress Sarah