So I asked jokingly “should we try?” She laughed and said “you?” And I said ” yeah you’re pretty comfortable talking about this with me so...I thought why shouldn’t we try?” So she laughed and thought for a while and she felt shy. So it looked like the signal was green for me and I was surprised coz I asked jokingly. And she said shyly” uhm okay” so my heart pounded due to excitement. So I sat slowly next to her. Ans she was feeling shy. So I asked her again if it’s okay. So she said “we got this. Jenna licked a finger, and gently began to probe around Ben’s anus, she knew this was one of my favourite things she did for me and I usually did not last much longer after this stimulation. She told me that Ben’s cock got even harder and she could feel his balls tighten. Ben warned her that he was about to cum and Jenna clamped her lips on the base of his cock, his cockhead now deep down her throat. She made a vacuum in her mouth, and was rewarded with a stream of Ben’s hot cum shooting. My sister shared a tent with her boyfriend. I was in a tent by myself. This was absolutely one more reason to hate my sister's boyfriend.It was only a couple hours drive to the campground. We arrived mid-morning. We set up camp and ate lunch. The afternoon was mine to do as I pleased. The next thing I did was become bored out of my skull. I walked around the woods. I investigated the nearby river. There was absolutely nothing to do!There was no one my age to hang around with either. There were. But it was after dark and not far from where I was taking her, once there she said she had changed her mind and did not want to do this? When I got her out of the car she made no effort at all to resist or say anything else as I undid her skirt and pulled it down allowing her to step out of it. She was also wearing no panties I helped her over and into the bushes and trees lifting her arms up and with rope and duct tape secured them above her head! Then lovingly patted her on the ass and kissed.