Backseat lessons with my son’s classmate

Should I kiss you again?”
Her uncle nodded and brushed her lips delicately with this. “I can’t feel it now.”
“No but you can see it, look!”
The young schoolgirl stared wide eyed at the bulge in his trousers. XXX She paused, leaving him on the brink of cumming and stroked the hard length of his penis with a tantalizing gossamer soft touch, her long nails lightly grazing the tip of his bursting organ. “You didn’t answer me uncle Frank, you did want to fuck me didn’t you?”
“I still do,” he said breathlessly, “but don’t worry, I never would.”
“You would if I’d let you. “Is it still growing?”
“It will if you stroke it,” murmured her uncle in a strained voice. It would only be incest if we made love.”
“what do you mean, if you put it in me? The rasp of his zipper sent shivers of fear through the youngster’s slight frame and she pulled back.