Erin wants to "touch it"

"Can I touch it?" Erin asked nervously. "I know you're my dad...but I've never touch a...thingie."

Steve laughed.

"Its natural to be curious," he told her. "Let me see your hand."

Erin held up her right hand, and he took it in his own. Steve guided it back under the water and down to his crotch. Gently he placed it on his balls instead of his cock. She cups them and starts feeling around.

"Those are my balls," he said. "It feels nice to have them touched, but they are pretty sensitive. So don't squeeze hard them unless you want to hurt someone."

"Like this?" she asked as her hand gently massaged his sack.

"Yes...just like that," he said.

Steven then took her hand again and pulled it up to his cock. She at once wrapped her fingers around it. Erin looked up at him with wide eyes.

"Its so hard!" she said.

"It gets that way sometimes," he said.

Slowly he began to move her hand up and down his shaft. She caught on pretty quick, so after a moment he took his own hand away and she continued to slowly stroke him.

"Am I doing it right?" Erin asked.

"Perfectly," Steve said.

She snuggle close to him in the water. He squeezed her again, then slid the arm he hand around her down just a little. Using one finger, he found her left nipple, which was rock hard, and very softly teased it. His daughter moaned slightly at his touch.