“Demi was right” she moaned, “you do feel really good, like really good.”“Uh fuck Riley” I groaned.The fact that my sister was fucking me ...nd talking about another girl was all very new territory for me and I was loving it. Riley was so beautiful, sexy and amazing. I loved her as a sister but in the moment I found a new love for her. She continued to bounce on top of me with pace and my end was drawing ever closer. I didn’t want this first time together to end so soon. “Riley I’m gonna…. Our corporate offices have a gymnasium and work out center in them, along with a sauna and accompanying locker rooms. I grabbed my office attire and headed for the showers. The water felt good after being out in the hot sun all afternoon.I lathered up and stuck my head under the shower spray. Out of the corner of my eye, I saw movement in the locker room. I didn’t think anything about it, as I was pretty sure it was another co-worker taking full advantage of our facilities.I turned around and. How the hell does she do that, driving her ass up and down bending at the waist? With his eyes closed it just felt like good wet screwing, but watching her was hot as fucking hell. He kept his eyes open. You just never knew. With a woman this young it could be a whole other world.He grabbed her nipples and twisted and squeezed them. Raised his hips up off the bed and joined her rhythm. Now her ass was slapping loudly against him, his balls flew up and hit her with each thrust.She gasped loudly,. “Where’s my boyfriend?”Danny paused and turned back to face Denise. He answered, “He’s recovering.”“From what?”“It was the weirdest thing. He hit the funny bones on both elbows at the same time. You should have seen the look on his face.”“He hit his funny bones?”“Yes. I would have said that his expression was one of surprise, but it was more like, ‘Oh shit. What do I do now?’ I would have helped him, but usually people like to deal with their embarrassment alone. I’m sure he’ll be back anytime,.