My cock was throbbing. It had been years since I had taken a virgin ass. I took a mental picture and savored the moment. No one had been in this ass before. Not her husband. How many of her 178,000 Instagram followers had fantasized about doing this very thing? I smiled. This was a privilege.

"Rita, you stretch before you play tennis, right?" I said. Now was the time. I held my cock just behind her asshole, gripping it just behind the head.

"I do," she said, looking over her shoulder.

"And when you're stretching, you can get deeper into the stretch when you exhale?" I continued.

"That's right," she...