Yours

“Your own sister.” Carrie smiles. “That is so sick.”

Admittedly you’ve never really thought about it before now.

...okay you’ve thought about it a little. After all, your sister is gorgeous. But still, she’s your sister. It’s twisted. And Carrie seems to agree.

“So you’re not into it?” You say with a frown.

“I said anything didn’t I?” Carrie licks her lips. “May I tell you a story?”

You nod

Carrie’s story: “About 6 months ago I was in an orgy... it wasn’t a big orgy, maybe 9 people or so. But there was a couple there who looked very much like one another. Like it seemed impossible that they weren’t relates. And they were into each other. They couldn’t take their hands off each other. They fucked and sucked and licked and they really didn’t need to be in an orgy because they were only interested in each other.

“There was a girl at that orgy who thought it was incredibly hot.” Carrie blushes a bit. “She watched at first, rubbing herself hard, cumming fast, twice, and eventually worked up the courage to approach this couple. She went up to the girl, who was lying on her back, having just taken the guy’s load, and she whispered in her ear ‘mind if I lick your brother’s cum out of you?’ And the girl just smiled and said ‘shhhh’

“So the girl... the obsessive one, not the sister, licked that pussy clean, slurped up the load and passes it back to the sister with a big passionate kiss.”

This is quite the story. You feel yourself getting hard again already, especially watching the way Carrie tells it, rubbing her neck and thighs and décolletage, clearly turned on by the memory.

“The girl thought about that couple a lot... a lot. And soon she couldn’t finish rubbing herself off without thinking about them. She’d see other brothers and sisters and immediately imagine what they’d look like fucking. It became quite the obsession”

Carrie smiles and clears her throat. “And do you know who that girl was?”

You nod “it was you.”

Carrie starts to laugh. “No. I told you, I’ve never done anything incestuous. That obsessive girl was...”