Without warning, I reached down and gave her ass a hard smack.
"That's for spray painting my car," I said.
Her breath hitched, and she bit her lip, trying to suppress a smile. "You're such a caveman."
"Caveman? How about this?" I said, smacking her...
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CALEB'S POV
The party blurred around me—voices, laughter, music—all of it fading into the background as I sat there, gripping my drink like it could keep my fucking sanity intact. But it couldn't. Not when my step-sister, the one person I had no fucking business wanting, had just paraded across the room, lips swollen from another guy's kiss, only to land herself right in my lap.
And that wasn't even the worst part.
The worst part was that she could've chosen anyone. Any other guy in that room. Jason, who had already had his tongue down her throat. Leo, who was practically drooling over her. Tyler, who wouldn't hesitate to take her upstairs if she so much as batted her lashes at him.
But she hadn't picked them.
She had picked me.
Esmeralda Kensington, my sweet, innocent little step-sister, had walked right up to me in front of everyone and settled herself on my lap like she fucking belonged there. And Christ, the way she fit—her perfect ass pressed over my hard length, her back warm against my chest—it took everything in me not to grab her hips and grind up against her just to hear what kind of sounds she'd make.
I had to force my body to stay still, had to focus on my breathing, had to think about anything other than how fucking painful it was to have her sitting on me like that and not be able to do a goddamn thing about it.
Because if I had? If I had done what I really wanted?
I would've shoved her down onto her knees right then and there. Would've yanked that pretty brown hair with golden highlights back, made her stare up at me with those wide, innocent eyes, and fucked her throat until she couldn't breathe without thinking about me.
I clenched my jaw, my grip tightening around my drink as I fought back the thoughts clawing at my mind. Fuck. I shouldn't be thinking this way. Not about her.
She wasn't for me.
She was off-limits.
But fuck, she wasn't making it easy.
I watched her laugh, completely unaware of the mess she was making of me. She was still sitting pretty in my lap, her body warm, soft, and completely oblivious to the fact that I was one second away from snapping.
Then Jason had the audacity to whistle. "Damn, Esme. You like to live dangerously."
I smirked, masking the sheer hell I was in. "She's a good girl like that," I said, voice dripping with mockery. "Always follows the rules."
She stiffened slightly, as if she could feel the weight of my words, the edge behind them.
Good. Let her.
Because if she really knew what was going through my head right now?
