Sissy School. The lesson of Corsetry Training.

Hi girl Imagine you are at the lesson of Corsetry Training at Goddess Margo's School. Your Mistress in desire to see you with more thinner waist makes you to try corsetry training. Corsetry training as a necessity part of sissy maid training. And you will try very hard to pull your ribbons of corset tighter and tighter till the darkness in your eyes and even the moment you can't breathe. But it doesn't mention. your destiny is to serve your Mistress and she desires very much to perfect you. So...