I guess it was because of earlier that day, at the pool at our aunt and uncle's house. I had never seen her in a bikini before, and she was wearing th...s tight little black string number, with small triangles covering her nipples and surprisingly very little covering her pussy. There was so little to it that it was ridiculous. Even though we were both eighteen, she would never have gotten away with it at home, but mom and dad weren't here, and our aunt and uncle let us do whatever we wanted. I. "She slid forward and he withdrew his fingers. She turned to face him and crouched above him, aiming his throbbing tool at her waiting tunnel. "Maybe you're right," she smiled as she lowered herself onto his cock. "Mmmmmmmmm. Maybe you'll fuck me 'til I beg for more." She had almost all of him inside her now. A small groan escaped from his mouth. She kept going util she was thoroughly impaled by his shaft. "Unnnnnnnnngggghhhhhmmmmm." She squeezed his cock with her muscles now and made him gasp. ..she actually pretended she was coming...just for effect! She gave out a few loud moans whilst looking directly at our wanking watchers and as she ended her pretend orgasm, she said "One nil!" and laughed. One of the guys (who had a massive cock!) immediately started spurting a huge load of cum onto the sand...and he followed DJ's comment by laughing and saying "one all" half way through his orgasm.I was still banging away from behind and as I started to come I pulled out and backed off a. Dan's cock was even harder, having seen his daughter approached in a lesbian embrace. Tracy rose and began removing the bikini, redressing in her t-shirt and shorts. He noticed that she had not bothered with the bra this time and her nipples were pressing against the white fabric as if needing to escape. He watched as she tucked her belongings into the shopping bags, turned again to Ellen and placed her hand against her cheek. She gathered her bags and left the room. Dan heard her pass by then.