“They’re okay,” she said with a shrug. He appreciated watching how her breasts moved from that tiny, casual gesture. When she grabbed both of them and squeezed, he felt his cock throb despite his recent orgasm. “At least they’re still nice and firm.”
“I love tits,” he blurted out, still feeling awkward at seeing her half-nude.
“I think tits are like balls. You’re always fascinated by what you don’t have.”
“You like balls?”
“I like how they move,” she said, eyeing his lightly furred ball sac. “Dicks are fun, too. But balls are endlessly interesting to me.”
“Suzanne likes to play with mine.”
“Does she ever suck on them?”
“Not ever,” he said before realizing that might be something his sister did. “Do you do that?”
“Sometimes.” She shrugged again and Austin liked that a lot. “You still look hard.”
“Sometimes I stay that way even after I get off.”
“Nice,” she said with a grin as she stared at his cock. “It’s not dark red anymore. Does it hurt when it looks like that?”
“Hurt?” It took him a moment to figure out what she meant. After the relief of his orgasm, his cock had lost its deep red, angry look. “It never really hurts, it just aches when I’m really excited.”
“And throbs a lot.”
“Yeah,” he agreed, feeling self-conscious about being naked in front of his sister. After having an orgasm, it felt very strange. Still, in its own way, it felt good, too. They stared at the TV together as the current scene played itself out and the next one started.
“How long before you can get off again?”
“I don’t know. I’ve already done it twice today.”
“Pervert.”
Austin winced. “Really?”
“No, not really,” she said with a rare, reassuring smile. “Sometimes, I do the same thing.” He gave her a puzzled look. “You know, just see how many times I can do it in one day. I have to be really horny to do it, though.”
“Yeah,” he grinned, relieved that he wasn’t alone with being like this. “I was going to see if I could do it every two hours.”
“How long is this tape?”
“Almost six hours.”
“Do you have another one?”
He shook his head. “I just restart it. It’s good, though. There are lots of good parts.”
Robin flashed him a fun looking smile. “If you stay naked, I’ll stay topless until it’s time for you to do it again.”
“For real?”
“But you have to let me watch you do it.”
“Yeah, okay.” He couldn’t see the downside to that. She had already seen him do it. Why would it matter if she saw him do it again? He absentmindedly caressed his cock, keeping himself excited.
“Can you stay hard that long?”
“Maybe,” he said, sure that if she stayed topless, it would be easy.
“This is so weird,” she giggled. “It feels dirty.”
“Watching a porno?”
“That and being half-naked in front of you.”
He smirked. “You could get all the way naked if you want.”
“I’m sure you would love to see that, wouldn’t you?”
“Yeah, I would,” he said. His cock throbbed, confirming his opinion about that.
“Maybe I will if you have a problem getting it up.”
“I won’t have that problem,” he assured her. He had never had that problem.
“What about after you get off again?”
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