My orgasm was rising as the song was nearing its own climax and I screamed, "Oh fuck," when my son surprised me by sliding a finger in my ass.

"What's wrong?" Alex asked, slowing down the car.

"Leg cramp," I lied, falling back onto Cory's cock completely, and his finger pulled out of me as quickly as it had entered.

"Should I stop?" Alex asked.

"No, no worries," I said, as I began bouncing up and down on Cory's cock, "I'll just stretch it out."

"Poor Cory," Alex said, seeing my torso moving up and down as I allegedly stretched my leg, unaware of what I was really doing.

"I'm...