Smother Homework Control

How extensively did the slave practice his task? Princess Serena will find out. She covers his mouth and nose with her arms. How long can he hold his breath now? His homework was to learn to hold his breath for a very long time. Now the training is over. Now we are going to get serious! Princess Serena checks his homework and takes his breath away. He cant breathe and is defenselessly trapped in this smotherbox. Now the slave has to showcase his training and prove to his mistress Princess Serena that he has been a good student for her.