I allowed her to get accustomed to my big dick by only fucking her as deep as she would let me. Eventually I was penetrating her deeper and deeper until I finally had my entire length buried inside of her steamy cunt. God it felt good, almost too good. During the time it took me to work my whole cock into her, I just about blew my load twice.
Pausing for a few moments gave me an opportunity to stave off my impending climax as well as let Steph become fully adjusted to my penis before I started to really do her. I wanted to give Stephanie a dicking that she would remember as one of the best she’s ever had for the rest of her life.
Ever so slowly I began to fuck my beautiful sister-in-law. I couldn’t believe this was happening. I had fantasized about her so many times, and I always knew that she was attracted to me too, but I never in a million years thought that anything would ever happen.
She groaned and rubbed her hands all over my chest, as I picked up the pace, pumping her harder. I could feel her wetness all over my cock and balls. She was really getting into it, pumping and twisting her hips, I leaned in and we kissed hard on the mouth, stopping only to gasp and pant as we both caught our breath.
Steph kept moaning in my ear, telling me to fuck her harder. I don’t think I’ve ever even heard her swear before and her dirty talk was really turning me on. The harder I fucked her – the harder she wanted it.
Then I felt it. Like I had mentioned earlier, I just about came twice as I was working my prick inside of her, and now, after only a couple of minutes I knew I wasn’t going to be able to hold it back this time.
I tried to stop and hold it off, but it was too late.
“Oh god, Steph,” I groaned. “Can I cum inside of you?”
She quickly nodded, and I pounded into her for ten more seconds before I unloaded deep inside of her.
Steph moaned with each spurt, leading me to believe that she could feel me cumming. I silently hoped that Steph was on the pill because it felt like I released about a cup-full of semen into my sister-in-law’s steamy cunt.
Stephanie and I remained locked in our sexual embrace for sometime as we recovered, my shrinking cock intermittently twitching inside of her now cum-filled pussy.
“Wow,” she said, a little out of breath. “I can’t believe we just did that.”
“Me either.”
“I’ve wanted to for a long time.”
“Really? Me too.”
Neither of us said a word for a few minutes and then Steph said, “Do you think I should leave?”
“I would prefer if you stayed.” I replied. “We could go sit in the hot tub?”
Stephanie smiled and said “Ok.”
Ten minutes later we were sitting in the hot tub with fresh drinks talking about how long we had been attracted to each other. Stephanie sat beside me and she was playing with my semi-erect prick almost as if she was gauging its size.
“You know, Steph,” I said. “If you keep doing that I’m going to want to fuck you again.”
Steph grinned. “Sure, but how about making me cum again first?” she said, climbing half out of the tub and turning around to present me with her hot ass and swollen pussy.