Fantasy PM Dare. Prompt: pup play, chastity, and humiliation.

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I took a deep breath and let it go as I relaxed my muscles, feeling the cold lube and the rubber pressing, then pushing, then parting and entering my hole with some resistance at first, and once the thickest part of the plug was through the rest slipped in, securing itself within me. I resumed my breathing and got up, looking at the full-body mirror on my wall: Pup hood, collar, cage, and now tail plug,...

I anxiously awaited, kneeling naked on my bedroom floor. I had messed up a few days ago, not only having ejaculated without permission, but also right on my master’s leg too. When that happened, he looked at me with a scolding look, made me clean up, and only told me one thing before we ended the session: “3 days, pup. And then I’ll punish you.”. That was 3 days ago.
We did not do or talk about anything related to sex in these 3 days, but his actions towards me were still the usual, and he made...