.. politeness will be it.Watching Grace in Bettie Paige style bikinis ... Nice was a word that should not have crossed my mind ... but sister did cros...s it and left me with blueballs.I bought a nice camera, a Zeiss Ikon, with a medium length telephoto lens and became an avid sister watcher. Grace and I are both Gymnasts, although I'm getting too tall for it.Bettie Paige style bikinis are noted for 'slippage' and catching Grace in a nipple slip was one of my favorite pastimes. After snapping. He groaned and moaned as my body rubbed against the sheet, I begged for him to go hard and he complied once again. Soon he pulled out and flipped me over on all fours and rammed back into me, grabbing my hips and letting go only to smack my ass hard. I moaned and he seemed to ram harder when I would so I moaned even louder, practically screaming as he groaned like he was an a****l. God I loved that!!! I screamed loudly as I shot a load of cum all over his cock, just as I shot my load he groaned. After about 20 minutes Kristen got up and went in the back door of their house. Seconds later she came running out the back door soaking wet, waving and calling my name with a panicked look on her face. I immediately ran to her and she exclaimed There is water shooting up at the kitchen ceiling. I ran into their kitchen and saw water shooting out of the base of the kitchen faucet up to the ceiling and then raining down all over the kitchen and both of us. I got under the kitchen sink and turned. Maybe we’ll meet again. You lick real good. Bye.”My heart was pounding, and my cock was throbbing. Whatcould top this?I was soon to find out!There’s a certain unwritten etiquette about drive-inmasturbation. Usually there’s an empty space between eachcar. Sometimes a guy will park on my passenger side, butI’m not interested, so eventually he’ll go away.That night was different. I was still recovering from thesoda pop girls when a couple pulled up right next to.