This delicious little tale was sent to me by @BibulousOne for the Over the Knee Spanking prompt.

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First a warning: do not try this at home! By which I mean if you are a typical submissive male client of a typical pro-domme DO NOT ATTEMPT TO SPANK HER! It is almost guaranteed to end badly, very badly indeed. However Mistress Alex, who features here, identifies as a switch to the point where her website asks on its front page whether you are looking for Mistress Alex or Submissive Alex. I also like to switch.

We were well into our session and the beautiful and very skilled Mistress Alex had been great. She seemed to have an intuitive understanding of how I was feeling, moving from soft to hard, pleasure to pain, mild to extreme in response to where I was. She had tested me, pushed me and made me want to please her. She had been both sensual and vicious, rewarding and demanding, friendly and frightening and I was loving all of it.

“Now”, she said, “You are going to spank me. But you will follow my instructions exactly or I shall punish you”. She already had my cock and balls tied tight, something that is always guaranteed to make me feel submissive and owned. She picked up a set of vicious looking nipple clips connected by a weighty chain and applied them one at a time. Sharp jags of pain ran through me and I found myself breathing fast as I tried to overcome the sensation. “Calm your breathing!”, she instructed, “or we shan’t go on”. She attached a dog lead to the chain joining the nipples and gave an experimental tug. Ouch! My sharp intake of breath seemed to satisfy her.

In no time I was sat on the bed with Alex’s beautiful rear over me knee, admiring her incredible tattooed legs.

“Begin”, she commanded. I started. I was tentative at first, light smacks on each side, enjoying the way her silk underwear emphasized the curves of her perfect bottom. The combination of her weight on my tightly bound cock and the swing of the heavy chain on my nipples as my hand moved up and down were creating some real difficulty.

I felt a knife of pain through my nipples as she jerked hard on the lead attached to the clamps. “Harder!. This is supposed to be a spanking, not a massage!”. So I hit her harder. Left cheek, right cheek, left cheek, her smooth skin turning red under my hand. Losing concentration as my own pain increased, I landed a blow on the top of her thighs, with the reward of another sharp agonising tug on my nipples. Trying to concentrate on inflicting her pain while suffering my own was challenging but incredibly erotic. This was a different experience for me, pain as a shared, mutual experience. There was never any doubt about who was in charge yet, as her bottom rose again and again to meet my hand, I felt my own power in the situation. After maybe 30 or 40 slaps, she dropped the lead and let her hand slip down between her legs, rubbing fast as I spanked her hard, bringing herself to a powerful gasping orgasm over my knee. I stopped the spanking, allowing one hand to rest on her back, the other stroking her bottom softly for a few moments. Briefly, and rather wonderfully, I felt that she was mine rather than the other way round.

In fact, very briefly. Almost immediately normal service had been resumed and I was over the bed, Alex delivering a lengthy full force belting, breathing hard from the effort. She was hitting me so hard it felt like she had a visceral need to re-establish her dominance and control. It hurt like hell but I had spanked the Mistress, and not every submissive can say that.