.." Nicki told me. I positioned myself as she wanted, clenched, pushed and then softened my sphincter muscles as I had now learned. Then I arched, gas...ing with pleasure as the huge head of the dildo spread me, wider and wider, so that I clutched at the bed, willing my bottom not to fight it. I yelped and grinned greedily to myself as it's long, bulbous glans slid slowly into me. Very slowly, Nicki penetrated my arse, inch after inch of dildo filling me with its firm but slightly flexible rubber. Pool pumps and motors on one side and party supplies in the other side. The side with the party supplies faces nothing but about 1/2 a mile of green space. Getting supplies was me Nick amd Mary Ellen. We has about 10 folks on the deck maybe 40 yards away. Before walking to the shed I wispered into Nicks ear "I'm going to get her to screw you." which got me a wink and a nod in return.". Mary Ellen is getting limes and tonic water from the fridge. I motion Nick inside with a wave of the hand. We played for 10 minutes; she was cooperating nicely for both of us.I asked Naveen to enjoy upper body; I will go to lower body. I went near her pussy, inserted my finger. Sahana screamed with pain, but continued doing it. She stopped screaming, when I saw what happened to her, Naveen had filled her mouth with his dick. Oh my god, I have never did that to my sister. Forcefully he was making her to give him blow job and she was doing it. I spread her legs wide, I licked her pussy. This is first. “You’re a very dirty girl, Krissy! You’re 24 years old and still pissing yourself like a 3 year old!” he continued on, turning me back around to scold me to my face.I was starting to whimper in humiliation as he continued on and on as the crowd emptied out.Finally, when we were the only ones left in the theatre, he grabbed my hand and dragged me to see the Head Usher, who was pushing the cleaning cart.“Excuse me, my little brat has pissed herself and all over the seat she was sitting on. Do you.