The slave can apologize all he likes, but Princess Serena doesn't accept his miserable excuses and instead punishes him hard for his failure! She has already tied him up, so now she moves on to the actual punishment and sits down with her ass right on his face. This is breath control the princess way! She presses her nylon ass very hard and long over his mouth and nose. He has no chance of breathing air and can only hope that his mistress soon grants a little chance to breath. But when will that be...?