When I felt the pointy head of the canine cock shallowly pierce my anal opening, I clenched down like never before. That was the one barrier which was had not been defiled, and I wanted to keep it that way. However, it was a little too little, and a little too late. Had it been any other time of today, I probably could have fought him off. But at the moment, not only was I physically exhausted, but the hard the cock trying to force itself inside of me was already well-lubricated from the base to head. The short time he had been exploring my pussy had given him the coating he needed. The dog was adamant about his task to drive himself into me and would not stop until he had claimed his bitch. The nails of his paws scratched my sides, leaving long red marks when trying to hold me in my place. I whimpered and tried to endure.
I could sense my sphincter opening slowly and allowing the beast behind me to reach further and further. He was compulsively shooting precum at my tight anus and thus lubricating the way forward for him. Second after second, the agony was becoming worse, but I was still staying strong. “Eve, you have to fight this!”, I ordered myself. I clung to the hope that he would give up or at least have a go with my pussy instead. However, he had made up his mind. There was a warm hole at the end of his cock, and he would make that hole his. And bitch better respect his decision. In my current position, my neck was exposed. When I felt his heavy breathing at the back of my head and his teeth touching my neck, I froze in terror. He was reminding me that there was only his will and I better obey it. The moment was all it took. I was far from relaxed, but when I stopped clenching my ass for a second, he was able to pierce the head of his cock through my tight hole. ‘AAAAAAAAAAAH! NOOOOOOOOOO!’ I screamed when my rosy ring gave up the fight. The next violent push forced the full length of him deep into my bowels.
Every single fuckable orifice of my body had now been violated at least once this afternoon. Before these events took place, I had given some thought about trying anal at some point, but those plans did not include having a massively thick cock shoved fully in one go. It felt like having hot poker pushed through my asshole. Threatening growls at the behind of my head reminded me to not try anything stupid. I could not stop whimpering, but I did lower my head in submission. I might’ve been in pain, I might’ve been fucked senseless, but still, something primal in my mind told me to take one more round like the little bitch I was.
When satisfied with my obedience, the dog mounting me made his move. To my surprise, he started slowly. I guessed that even he had some issues with my extremely tight sphincter. So, without any hurry, he started calmly moving his dick back and forth in my rectum. This fortunately gave me time to get accustomed to the thick cock. I did my best to relax since at any given moment he might pick up the pace and I better be ready for it. Just like his mates before him, he kept releasing a ridiculous amount of precum inside of me. This further lubricated the veiny tool, and it made every following thrust meet less resistance from my asshole. It was definitely not a comfortable experience, but with a proper amount of lube, it was at least tolerable. My once wrinkled anal ring had become a smooth opening which the dog took full advantage of. After a few minutes of my first anal experience, I could sense him speeding up. It is funny how much can our bodies handle given enough time, lubrication, and foreplay. Even though he was fucking me harder than before, my ass was able to take it. I would not say that it was effortless, but it was already easier than I had imagined it to be. Before I could fully realize it, he was humping me with a similar effort as the two dogs before him.
Since I was no longer leashed and forced to keep my head up, I took a look between my legs to get a better understanding of what was happening. The view that opened in front of my eyes was the wildest, the most perverted thing that I had ever seen. I stared in awe at how the big gray dog was making his giant shaft disappear into my rectum. How he was able to shove it so deep, so fast, was beyond me. At that moment, it was difficult to determine the actual dimensions of that cock, but what I could see was at least 20 centimeters long and as wide as my wrist. His massive balls swung in motion of his grinding and then smashed right at my pussy. For a while, I had been feeling that something was stimulating my clitoris, and now I knew why. While watching the abuse of my ass, I could not help to notice how every violent thrust was still pushing sperm out of my vagina. I knew that I was soaked by the canine semen, but it was another thing to see it with your own eyes. Lastly, I noticed how my tummy had bulged from all the spunk spewed inside of me and how my breasts rocked lewdly and erotically back and forth in the rhythm of his thrusts. I looked like a dirty whore. However, the biggest shock for me was probably how hot I found it all. I do not know if I was suffering from Stockholm syndrome or something. I should have felt wrong and disgusted, but I did not. At that very moment, I found it all very arousing. And no, it was not something I am proud of.
Grayback, as I named the bastard inside of me, kept pounding my anus more violently after every second. Thundering *THUMP* *THUMP *THUMP* sounds could be heard when our bodies clashed against each other in a savage rhythm. I was now able to handle him better, but nerve-endings around my now-spread asshole were telling me that the pressure was still building. Thrice today I had experienced the knot one way or the other, so I was very well aware that we were not done yet. “I just hope that I will be ready for him”, I thought while being genuinely worried.
Now that my tight hole had gotten accustomed to Grayback’s cock, continuous humping was starting to make me feel aroused. As I said, I had never tried anal sex, so it was difficult for me to describe the sensation. I had experienced clitoris and vaginal orgasms but getting turned on by being fucked in the ass was something very different. When I normally touch myself, I feel the heat building from my pussy, like it was localized in that one area. However, having a huge cock pistoning at my butt made me feel like my whole body was part of the action. Although, I have to admit that having your every hole screwed for a while, does crank up your sensitivity settings on its own.
Our session had reached the point where I was now panting and moaning like an animal. ‘Aaah! Aaah! Aaah!’, I wept whenever the full length of his cock penetrated me. For a while already, my body had accepted being a fuck toy and was craving it. But it had been my mind which had prevented me from descending to full depravity. Ever since the danger of hanging myself had passed and when the Grayback had asserted his dominance over me, I had been submitting myself more and more for being ravaged. Basically, my mind had been given “a pass” to take the backseat while my body dictated the lustful way to satisfy his and my animalistic urges. I did not know when I was going to climax, but whenever it was going to happen, it will break me down. Something was still screaming at the corner of my mind, but it was being silenced by the pleasure that was steadily taking over.
After a while, I needed Grayback to pummel my anus harder. My hips started to move on their own to try to match the tempo of his loins. He was mercilessly pounding my formerly virgin ass and I was now loving it. Pleased with my behavior and becoming an active partner in this ungodly copulation, he granted my wish and shifted in one more gear. With a blinding speed, he started a savage ramming. My moans were becoming louder and deeper as the moments passed on. Sounds of raw sex filled the dog house and the backyard. It would have been evident to anyone witnessing the act that I was willing and enthusiastically being fucked in the ass by a random dog.
‘Oh god, oh god, oh god…’ I whimpered when the knot was in the process of forming and was now prying my asshole wider. Every determined lunge pushed the knot a little bit further until it suddenly and surprisingly just popped in. But Grayback was not done. Right after my sphincter had closed the way out, Grayback forced it back open. He kept fucking my asshole with a still-growing knot. It had been years since he had just a nice bitch, so he would fuck her as long as law of the physics and biology allowed him. The next minute or so, the knot crashed through my asshole tens of times, always spreading me a little bit wider. The pressure I felt from the deed was a lot, but it was not yet anything I could not handle. ‘Fuck… you are big… fuck, fuck, fuck…’ I moaned when the final moments crept near.
Soon I felt him failing a few attempts. He tried harder, and the strain was about to become too much for me. My body reacted on its own. I pushed my body against his loins and relaxed my asshole to help him. But it was not enough for him. I could sense from his behavior that he was becoming frustrated and rough. Then I got an idea that I’ve been trying to justify to myself ever since. Back then I kept telling myself that I did not want to have my ass torn or I feared what the big dog might do to me if he did not knot me properly. But I cannot shake off this feeling that I was lying to myself. I believe that on some primordial level, I wanted to be dominated and filled by him. Either way, I reached my hands at my back until I could reach my ass. I took a hard grip on the firm butt cheeks and pulled those globes apart. Grayback could feel my barrier giving in and strengthened his effort. ‘AAAAAAAAAAH!’ I screamed when a fist-sized ball forced my asshole wide open and shoved itself fully inside of my rectum.
At the moment when I could feel his knot inside of me, I clenched my ass to make sure that he stayed inside. After experiencing how difficult it was to get in, I did not think that he could pull it out. “I’ve never felt this full in my life”, I thought when Grayback had finally buried to the hilt within my bowels. But I knew there was still more to come. My spasming anal opening recovered quickly and soon it made a tight ring around the cock. I could feel it pulsating and my body knew what was going to happen next. I noticed that I had started to shake from the anticipation or something else. Grayback was still making sure that we were properly tied together, and those ever-so-slight movements were sending shivers through my spine. Even though he was no longer fucking me crazy, I could not stop moaning. It was like I had lost the ability to calm down when I understood the power of an approaching orgasm. My body was like homemade explosives that were waiting for the trigger. And that trigger was soon arriving.
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