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After two hours of academic instruction on the male anatomy Mistress stood up, inviting the ladies to finish their water.
"Partly full bladders only ladies, not so full that we are distracted by the urge to empty ourselves. Remember, we need to be able to punish if necessary, and pissing into your sub's mouth is both unbelievably degrading for him as it is empowering for you. Don't forget though, in the next hour only one of you will get to relieve themselves into him. The one who makes him cum despite himself!"
She led the four ladies and Miss down into the dimly lit playroom. There, still attached to the bench was the most pitiful sight. Pet, still blindfolded, was moaning and thrusting at an imaginary hole, desperately trying to fool the masturbatory sleeve into finishing him off. It was a never ending cycle of edging right up until release before the sleeve stopped stimulating. Once his heart rate slowed sufficiently to indicate the approaching orgasm had been cancelled, the sleeve would begin again.
"Ladies, watch this pathetic man trying to force himself to get off. I could watch him for hours". She laughed, and the trainee Doms echoed her mirth.
Pet, suddenly realizing he was not alone, froze, then almost immediately began begging for relief.
"Mistress, please! No more. I can't stand it any more. My balls ache terribly, and I'm going mad with lust. Please, I'm begging you, let me fucking cum!"
Mistress quickly strode over to him and slapped him soundly around the face hard.