He called out to his dog, who turned around and slowed but didn't stop walking toward the cove where we'd left our clothes. The dog was no more than fifty feet away now. Mom and I held our breath.

When mom crouched down to hide from Mr. Seeley's gaze, she had pushed her butt out, right against my cock, which still was sticky and dripping with cum from my orgasm. I wasn't fully erect, but I wasn't wholly flaccid, either, and the pressure of mom's smooth behind sent a tickle into my shaft. I was crouched right behind and over mom, and my cock, half-dangling and half-erect, slipped into the...