...her watch. "We still have twelve minutes," he said. "and I'm not leaving 'til you cum at least once." He pulled out of her. "Turn over."
Gwen did as told. She began to get on fours, but Ben had her lay on the roof on her stomach. "What are you up to?" she asked playfully, enjoying the odd feeling of the concrete on her skin.
"Just wanted to do a little experiment," Ben replied. He rubbed himself in the soft crease of her butt cheeks. "Want to try something new?"
Gwen's eyes widened a bit. She knew what Ben was suggesting. She hadn't put much thought into that particular form of sex, but that didn't mean she was unwilling. "Let's do it!"
Ben smiled as he pulled apart her rear to reveal her anus. Straddling her, he slowly pushed inside. Gwen groaned in pain as she stretched to compensate for him. Soon he had shoved the rod deep into her tight second hole. It was so warm and tight. "Oh man, Gwen!"
Gwen at first wasn't fond of this act. But as Ben had reached deeper into her, the sensation started to grow on her. Then Ben began fucking her and she really got into it. "Ooh, Ben!" she moaned. "It's so hot! My ass is hot! Fuck me hard in my ass!"
Ben pulled her up as he plowed her anus. He reached one hand to grip her breast, while he reached to r...