Danny was starting to lose his focus and was starting to fuck Steph harder. What started as moans were turning into whimpers but they were muffled by ...er younger sisters tongue in her mouth. Sarah was also moaning which drowned out Stephs quiet cries of pain. Sarah began fingering her own pussy while Danny ate her ass, and this just turned him on even more. By now his rhythm had increased to a steady pace but it was also a hard pace. Steph began trying to push him out of her, but with Sarah. .. No way!' she reassured herself. 'After all, she had only gone to dinner with her friends.' Sarah knew that much about the evening past. She removed her finger from her vagina. Before withdrawing her hand from between her legs, Sarah allowed her finger to trace carefully back over her anal opening, a place she never "visited". She felt raw and tender back there too. This, mixed with the uncomfortable feeling that radiated down from her lower back, made the young girl wonder again what exactly. He would take data every day of the rest of the week. It would be exactly the same data, but that would allow him to verify that the experiment was reproducible. Actually, the data would have some variance from run to run, but the differences should be statistically insignificant.He sat at his desk and looked over the papers that he had collected there. The majority of them dealt with the mechanics of fluid deformation. These papers covered the effects of applying pressure to a fluid; making. She started to push me with very little force. That was a clear indication that she also wants it to happen I opened her blouse and bra and started sucking his boobs, the I removed her sari completely and then saaya. There she was standing in her birth suit. I removed my pand and put my manhood in her hand she stared playing with them while I was playing with her naked body. Then doing the foreplay for 15 mins, I wore condom and fucked her brains out. We were lying naked on bed when the.