Who would ever believe they are brother and sister! They love each other very much, and they show it." I guess that is why they are letting us stay to...gether. We love each other very much also, and it would be wrong to keep us apart while they are together."Stephanie reached up and started to kiss me as the water sprayed over us, pressing her beautiful naked body against mine. Then we heard a very familiar voice."May I join you kids?"Breaking apart, we saw our mother walk into the shower totally. ”Surprised he said, “You want her all weekend?”I said, “Yup! Might as well break her in right.”I could see the look on his face thinking, “What to hell I have I just gotten myself into?”Since he had made the offer and I had accepted it, all he could do was say, “Okay, what should I tell her to pack?”I smiled and said, “Nothing. In fact tell her to put on a short dress and not to wear any underwear at all.”He made a snappy comeback, “Are shoes alright?”Just to piss him off a little I said, “No. ....WHAM !!!!!I force them through with a violent push and she let's out a loud gasp, she grips my shaft like there's no tomorrow and I let out another glob of precum. I'm working my fist in and out now at a wet and sloppy pace . She resumes her oral rage and I feel it at the base of my balls. I can feel her clench up now and her breathing has become labored. I feel that tingling sensation at the base of my shaft and I hold it, she's clenching on my fist for dear life at this point and I can't. She took it from me and looked at me with a smile. "You always were a sucker for a sundress," she said. "But this really got too small on me." Nevertheless," I replied.She slipped it over her head and reached for her panties. "Just the dress," I said. She looked at me with a smirk. I signaled her to stand near me as I picked up a pair of scissors."What are you going to do with that?" she asked.I reached over and pulled her top button and snipped it off. Then I did the same for the next two..