She was in a tight black jeans and an even tighter white shirt. Her breasts jumped with each step, neatly held within a black lacy bra. I couldn’t b...elieve my luck and sat gaping at Riya till Justi had to shake me out of it. The girls had a laugh about me gaping at her. I gathered my senses and stood up, exchanged pleasantries with her. Riya left the room saying that she would be back in a moment.Without saying a word, Justi pushed me into the couch, turned her back to me and pressed her ass. " Ray replied.Dawn then knew he was maybe, flirting with her? "Yeah, but all the good men are taken." She flirtedly whispered back.Tiff pushed through the door yelling over the movie."Oh my gosh! My Mom and her friends had a small wreck about 30 minutes down the road and I need to pick them up. They're fine, they just need a ride. Will you guys be okay here by yourselves because there's not enough room in my car?"Dawn looked up at her knowing she was in a hurry saying, "Yeah, just make sure. “And your cup-less, string bra,” he adds as he licks my nipples while he watches me put it on. “What are you going to wear for our guests?,” I ask as I tease his engorged cock with my fingertips.“Have I turned you on wearing just my boots and my cup-less string bra?”“Yes, you know you always do,” he tells me as I hand him a tiny black jock strap.“And you always turn me on wearing nothing but this,” I tell him as I do up the clip at the side of it. “Wear a shirt for me with all the buttons. My clit throbbed. Sparks showered through me. My fingers twisted my nipples, pulling on them. They stretched out my nipples.My breasts jiggled when I let them go. I whimpered. It was so amazing. My sister's tongue pressed on my asshole. And then she wiggled her tongue into it. It swirled inside of my ass, stirring me up while my other sister nibbled on my clit.It was all so much. It shot through me. My orgasm exploded.“Yes, yes, yes!” I howled as I bucked. “Oh, fuck, yeah!”My incestuous orgasm.