He told me he had a suprise and walked in the next room coming back with a mechanical fucking machine that had an 8" thick dildo on it. With a smile h... asked "want to take a ride" I could not say yes fast enough and found myself with my legs lifted up by some cuffs on my ankles and a hoist on the ceiling. After lubing my ass up he brought the head of the dildo to my hole asking me one more time if I wanted to back out, no I said let me have it. The machine started slowly giving me time to get. You untie your gown and shrug it off your shoulders and it falls to the floor. You are standing there in stockings,suspenders,lacy knickers,lacy bra and you look fantastic! Sit you say as you point to a chair in the corner.I sit what else could i do I cant take my eyes off your beauty.You walk over to me and explain the rules no touching,no kissing just watching and obeying!I agree you start to remove my shirt “stand” you whisper in my ear which I quickly do you undo my trousers and they fall. ”“On Friday it should be over, so I’ll get at least once before you go home!” she said, snuggling close. “I could give you a blowjob if you want.”“There’s no need Bethany,” I said, softly stroking her hair.“Yes,” she said softly.“Yes?” I asked.“Yes, I’ll marry you like Jennifer suggested. And Elyse can have her kids. And everything else.”“Just like that? Because I turned down a blowjob?”“Because of who you are and how you treat me. I can’t imagine anyone treating me as well as you do.”“You know. Soon I remembered of Vishal. Vishal was a guy from neighborhood who worked in a cyber café. We just knew each other but were not close buddies. He was strong, handsome and experienced in sex. He was always desperate to screw sexy girls. And my sister was one hell of a bomb. I never thought some day I would like him to have sex with my sis.So somehow I wanted to introduce my sister to Vishal and the rest would take care of itself. Nisha has to check her mail every evening after returning home. I.