She reaches out her left hand

As Katie moved closer to Eric, she extended her left hand toward him, but stopped just short of touching either him or Jenna.

"You seem like you're having a good time. I take it you like water parks?"

The idle conversation was killing Eric. He was torn - there was something intensely erotic about having casual conversation with a stranger while fucking the girl of his dreams, but the conversation needed to either keep the heat up or stop completely. Can't we talk about your bikini top again? he wondered.

It was like Katie read his mind. She shook her head. "I bought this bikini last year. I don't know what I was thinking. The material isn't as smooth as it used to be either."

Jenna tried to engage in the conversation. "I ... have that ... problem too ... mmmmmohfuck," she mumbled.

"I know, right? Just a couple of washes, and that sexy, satiny feel is all gone." Katie looked at Eric. "My skin is so sensitive too, I just feel it against me constantly."

Eric smiled. It wouldn't matter what he said, he'd sound like an idiot. But he spoke anyway. "Yeah, I ... I don't have ... any idea what ... you mean." He figured, well, I'm fucking Jenna, and this girl won't stop talking, so whatever ...

"Look," said Katie. " You can even see where the material has begun to wear thin. Look!" She sat up and presented her breasts to Eric. "Do you see?" She pulled the material away from her skin. If Eric leaned back, he'd have a clear view of her breast. "Look, it's just so flimsy!"

"Yeah ... I guess ... so." Eric was starting to wonder if this was a game, or if Katie was really clueless. Jenna, on the other hand, decided to play.

"I know ... what you ... mmm ... mean," she said.

Katie smiled at Jenna and leaned toward her. "Right, look." She leaned over Jenna, basically inviting her to touch the material of her bikini ... which Jenna did.

"This was ... probably really ... nice last ... year ... mmmfuck ... right?" Jenna rubbed the material between her fingers - and pulling it such that the back of her fingers was pressing into Katie's skin, along the side of her breast.

"It was. It felt so nice." She whispered a little. "I don't know about you, but I have sensitive nipples, and feeling this against me was kind of a turn on!"

Jenna continued to stroke the material of the bikini top, now more brazenly pressing her fingers into Katie's breast. "Oh ... I know ..." Jenna turned her hand, letting go of the bikini top, but retaining contact with Katie's breast. "Sensitive ... n-mmmm-nipples are ... oohhhhh" Katie clasped her own hand over Jenna's, pressing it to her chest.