My first session of dog sex but not the last! Train your ass first before taking a dog like Danny!

Although I had many feelings about anal sex, I had never experienced it with another man. I guess I was always reluctant to acknowledge my bi side. But that was to change.
Living on my own as a young man my shyness prevented me from approaching another man for sex but I had been satisfying my urges with dildos, even being able to take 12″ by training my ass to take the dildo and
through the bend in my intestines.
I had been left a small rural property and moved there when I was 20. Being pretty isolated, I decided to buy a suitable guard dog. After considering which breed to buy, I came across and ad for a great dane, whose owner said she could no longer keep as she was moving. When I met her and the dog, I was immediately impressed by its massive size – he stood 5′ high with massive front and hindquarters and the head the size of a young horse! Its owner said that he had been trained as a guard dog but was very gentle in the house.
His name was Danny and he looked just what I needed.
Over the next few months Danny and I became close friends. I had no intention of using him for anything else until one fateful morning. I was in the habit of working out at my home gym, and being on my own never bothered to wear any clothes. I was bending over my appliance when I felt something pressing into my anal area. Turning around, I saw Danny close behind me and dangling down was his cock. I had seen it before of course, when he was grooming himself but not this big. Curiously I took it into my hand, and I could not close my fingers around it. It was massive – bigger than my dildo, and he started moving excitedly.
I knew about people who had sex with animals – especially women and hadn’t considered men the same way.
Would it work? I thought I would try it with Danny. I prepared my asshole with some of my lube and knelt beside him whilst I worked some lube on his dock. It became even larger and I was a bit frightened of its size. But I was excited now and got my hands and knees as I had seen on porn vids. Danny immediately moved behind me and I felt his hot tongue licking my cock and balls. He seemed to know what to do! I found out later that his previous owner had trained him for this.
I felt his body weight on my back and his front legs straddled my chest. He was so big I nearly collapsed under him but his long front legs actually reached the floor and took his weight. He started lurching forward and I could feel his cock attempting to enter me. Then he found the spot and pushed his cock past my asshole muscle. I yelped as it hurt! But he was gentle as she had trained him. He pushed and slowly I felt him slide right up me. The feeling as he slide over my prostate gland was magic! I pushed back on him and felt him fully seated – could feel his huge ball sack tight against my ring.
He now started to move much faster, his cock moving in and out while I pushed back on him. I was wanking my cock and Danny was bringing me to my first anal orgasm! But something else was happening. I had forgotten the knot! I tried to move out from under him but he now held me tight with his front legs. I could feel this hard lump pushing against my arsehole but I thought he would not be able to enter me with it. Wrong! Pulling back. he then pushed hard – my hole was expanding and the pain was bad. This was too much but I could not get out from under him. Then he was through and I was knotted! Pushing harder he now had the whole length inside me, including his knot, which I later saw was about the size of an orange. He now went to work on me – thrusting the whole thing in and out of me and ignoring my whimpers of pain. But the pain soon turned to pleasure and I came strongly.
Finally he became still, fully bedded in me. I felt a scalding feeling deep in my bowels and realised he was now breeding me. The heat of his cum felt wonderful and I could feel it going deep into my belly. He became still then and we remained locked for a long time. I tried to pull away but he was too firmly knotted. After several minutes he had shrunken enough to pull out and a gusher of cum followed.
What a rush! My ass was on fire but I knew now what anal sex should feel like and Danny used me many times after that. When I approached his previous owner about this, she admitted her role in teaching Danny how to do her. She even agreed to let him fuck her whilst I watched. She would only let him fuck her ass though…What a dog!
I did agree to share him with her at my home and we also enjoyed sex together and threesomes with Danny. But more of that another time……..

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