Sentimental Skinny Dipping with Sis Mom and dad are finally selling the house, and its almost moving day. Sis and I cant believe this will no longer be our home, as we have so many memories in it. She brought up a surprising memory of how when we were little, we would take off all our clothes and go swimming in the pool buck naked together. She asked me if I remembered doing that? Then she asked me something that I have dreamed she would ask me. Did I want to go skinny dipping with her again? After she took off all of her clothes, she looked down and realized that I had a huge boner bulging out of my shorts! My little sis couldnt have been any nicer about my growing situation. She calmed me down, and reassured me that she wouldnt tell anyone of my reaction. She said it was normal for a guy to react this way to a naked girl, even if it was his own sister. Then she explained that since I was hard, how it would be a shame to let it go to waste. Besides, she was always curious to see how her big brothers cock looked and how i