Fisting My Girlfriends Monster Gaping Asshole

We used to swim in the pool and she loved it when I would throw her up out of the water by placing my hands on her ass under the water and lifting her up fast. When I was under the water I would admire her nice firm ass,of course my hands started to bizarre wander and I felt her pussy a few times without her minding or mentioning it. She was of normal build with longish blonde hair,blue eyes,freckles,nice budding tits with puffy nipples and actually a little nerdy Big Boobs looking, but very sexy. I grew quite attracted to her and often spied fetish on her while she took baths and changed in her room. She was quite innocent and would often walk around in the mornings in her nightie and white cotton panties and I would just hang about in my boxers with semi hardons which she noticed. I remember sitting next to her in the evenings on the sofa while she lay with her feet towards me on her side watching tv, her panties slightly pulled up her ass and her pussy lips clearly visible through her panties, I would sit huge there showing off my hard on. When she grew older she moved up on top of the garage next to my amateur bedroom, I was happy about that because it made it easier for me to spy on her,this is when I started to up my game. I moved a cupboard close to my door and on the side of the cupboard was a full length mirror that was visible to her when she opened her door, I would stand naked and fully erect,wait for her to come out of her room and she would glance at me in the mirror then shyly look down and walk off.I think me doing this sparked her curiosity about sex and me. Then one day in the pool we were sort of play-wrestling with me fondling her as usual,she then unexpectedly grabbed my cock through my shorts, I froze and she looked into my eyes and just smiled! She got out the pool and said to me, "Come". I followed her up to her room and she closed the door and said to me smiling, "Can I see it?" I nodded nervously unable to speak and pulled my shorts down,my large circumcised cock popped out semi erect. She stared and admired it and looked into my eyes and smiled.I lay down on the bed on my back,she knelt next to the bed and looked at it as it twitched and became fully erect. I asked her, "have you ever seen one?" And she replied,"No" I told her she could touch it if she wanted to and she took hold of it and commented on how big it was and at how hard and hot it felt. I took hold of her wrist and showed her how to wank and she started slowly wanking me, feeling my balls with her other hand.My cock was so stiff and hard,precum started forming on my tip and ran down my shaft,i felt myself starting to cum. My balls tightened and my cock swelled up and I started cumming thick,long white streams of cum onto her hands and onto my chest and stomach.Her hand slipped up and down my spewing cock, she was quite anal taken aback and she just said quietly, "Whoa! Of course everyone wanted me to show them that I could do it. she would wake up in the middle of the night and start giving me a blow job. Back then, I didn't know what else to call it. Her vaginal lips were parted and I could see the delicious pink color she had inside her open pussy. The big trick, as Dave already knew from his research and general talk, was to poke the steel spit up through anal fetish the cunt, punch through the cervix, puncture the uterus bizarre and slide into the stomach. I won't huge tell anybody if you stop now. It's our first time so I guess it is natural to be a little awkward. Her hands clung to the amateur taunt ropes tied to her wrists. “I don’t think this is the time for that,” I said hopefully obvious that I was trying to concentrate. “Give her Big Boobs time.” I muttered.