After the lunch mom said we should take a swim, and my sister yelled yes at once. As we had no swimwear or towels I tried to argue for that, when mom ...aid we can go naked.Before I had a chance my sister dropped her dress and thrown down her panties, and stood there completly naked. I haven't seen her naked either for some years, and she was tiny, redhaired, and her breasts was more like nipples than breasts. Still no hair anywhere, and to be honest she was quite ugly, and she had hard times in. I pull your leg up from the ground, so you are off balance, causing you to "fall" on to my dick, slamming it home, deep inside you.I finally release your throat, but only so I can start to **** your arse hole with my fingers..I bring my hand to your mouth to make you taste yourself and you try to turn your head away.Stupid whore. You should know by now I will get whatever I want.I push myself right inside you and reach up and grab your face, forcing you to turn and face me."You will suck my. Unfortunately, DP is much easier in the movies, and after trying it a few times, with limited success, we gave up. We had moved to the end of the bed, so I lifted her legs and put my cock back into her ass. She played with her clit, and then she did something that she had never done before when she has been fucked, whether it was her pussy or her ass - she squirted! I could feel it starting, just the wetness oozing onto my balls and around my pubic area. It got heavier as her moans increased. I. I did not know that cold school lunch could taste that good. Most probably the sun would rise from west tomorrow morning and there would be peace on earth. As the twins just did not go on dates. Ever. And senior girls did not date junior boys. Ever. Most probably I had just been had. Whatever. There was not much I could do.And then I was at courthouse and missing school again. We were there early which turned out to be waste of time as the judge was so busy that he had no time to see us before.