“You are.”
“I’m not,” I argued, feeling her ass pressing against my dick.
“Cara,” I whispered.
Her shoulders relaxed back against me; her breasts thrust into my hands. I twirled and pinched the bullet nipples through her nightgown. I heard her soft moan.
Suddenly music started playing and broke through my haze. She pushed me back and went over to pick up her cell phone.
“It’s Mom and Dad.”
I left the room to let her field the call from them. My balls ached and I was in no mood.
.
.
When I looked later, she was down on the dock again with her beach bag, hat, and towel. The black bikini covered even less of her ass than the one yesterday, the cups barely would have covered her nipples.
I threw a towel over my shoulder and headed down the path to the lake. It was early enough that a few fishermen were nearby in boats but doing more ogling than fishing.
Cara bent over to spread her towel giving them a boner-hardening view of her ass, then turned, and leaned over to get her book out of the beach bag while letting her tits swing free and threaten to come out of the tiny triangles.
“You’re giving those guys a real thrill, sis,” I said, laughing, dropping my towel on the dock.
“That may be the only thrill they get today,” she grinned, picking up the sunscreen.
She stood, and by bending and twisting and reaching spread sunscreen on as much of herself as she could. I sat on my towel and watched her and the guys in the boats, trying to decide who was more entertaining. I got up and dove into the water off the edge of the dock and swam out a bit, then back.
I came up, shook my head, and sprayed water everywhere. Cara squealed when the drops hit her hot skin.
“Oh, sorry,” I said, grinning.
“Like hell,” she said, laughing.
“I could pull you in.”
“You better not!”
I looked around and saw the audience was gone and it was just us two again. Cara had her eyes closed. I swam to the edge, quickly scooped her into my arms, and pushed us both back into the cool water.
She screamed and tried to wiggle free but I had my arms tightly around her.
“You’re gonna get it, Joey,” she warned.
She had to put her arm around my neck as I let her lower body into the water. The buoyancy of the water floated her against me, her tits bashing into my chest. I looked down and one of the cups had slid aside and bared her nipple. It was dark and long, hard as a bullet.
“Cold water,” she said.
“Sure.”
She bobbed against me again, her nipple rubbing my chest. She was still hanging on my neck, so I slid my hands down her back and cupped her bare ass.
“Joey.”
“Cara,” I said, kneading her firm ass. “You have a great ass.”
Her long eyelashes swept her cheeks, hiding her eyes. We heard voices and another boat was coming around the corner. I moved her top to cover her nipple, but not before I got a tweak and tug in. We swam apart and climbed onto the dock.
The hot sun dried our bodies and we napped. When I woke, they had their catch and ogle for the day and were gone. We were alone again. I moved and my thigh muscle cramped again. I tried to rub it out and grabbed the sunscreen for lubricant on my skin.
“Did you pull it again,” Cara said, her voice low and gravely with sleep.
“Yeah. Dammit.”
She rose to her knees. “Lay back.”
Cara straddled my leg, rubbed sunscreen between her palms, and began to massage from my knee up my thigh to under my shorts.
“Oh god that feels good,” I moaned. “Like a real massage.”
She laughed. “Well yeah. Your muscle is tight, Joey.”
She continued the long firm strokes until she felt my muscle soften.
“Oh yeahhhh,” I moaned, when I felt my whole leg relaxing.
Her soft hands pushed under my shorts a little more on each stroke. My cock had been hard and lolling off to the side. She rubbed a little more, then I felt her hands higher under my shorts. I squeezed my eyes shut, willing her not to stop.
The next stroke and her fingers brushed my balls and I jerked. She continued on. Long very slow strokes up my legs, her fingers pressing more into my balls as she worked.
“Cara,” I whispered.
“Joey.”
I opened my eyes. She was on her knees, her breasts hanging between her arms as she worked. The tiny triangles barely covered her nipples but bared those fantastical breasts.
“Fuck, you look so sexy like that,” I said, squinting into the sun.
“You just like my tits.”
“Oh, I do. I do. They drive me crazy you know.”
As she massaged, they swayed beneath her. She pressed her arms together, which pushed them tight, working the triangles even smaller. She smiled watching me.
“Oh my god, those nipples. They’re like bullets. And so fucking hard.”
Her fingernails scratched my balls and I moaned. Her hand moved up further and her fingers brushed my throbbing cock.
“Oh fuck, Cara. Touch me,” I begged.
She continued to tease me. Her soft fingers wrapped around my hot steel cock, and she thumbed the precum over the tip.
She raised onto her knees and pushed my shorts up to expose my cock and balls. It was lewd and obscene and driving me fucking crazy to be hanging out like that in public.
She looked around. “I wonder if anyone can see your cock?” She held it up and began to run her hand up and down the length. “What if they knew it was your sister with her hands on your dick? Where just anyone could see.”
I moaned louder. Her words. Her touch was driving me into a frenzy. She stroked faster and my ass thrust up, driving my cock through her hands.
“Oh fuck. Don’t stop. I’m going to cum,” I groaned.
All that teasing built up until now. I couldn’t stop it if I wanted. My orgasm hit me light a freight train. I shouted and began to pump out arcs of cum. I vaguely heard my sister’s voice but I was lost. When I finally was able to open my eyes I saw Cara. Her tits were bared with white pearls of cum splattered all over them.
I groaned while I watched her rub it into her skin and lick her fingers.
She tossed her top on her towel, gathered everything, and walked up the bath to the house. Her tits are bare and exposed to anyone watching.
.
.
We ate and she went to shower, coming back out in the same baggy ass nightgown.
“Movie?” she asked.
“Sure. You pick,” I said.
She flipped through the channels and stopped. I didn’t know this one, so it too would be a surprise.
She plopped down on the sofa with her head on my thigh again. The nightgown was oversized and showed no skin, which I suppose was her point.
There was no place to put my hand, so it went on her upper arm. The movie was good, but no hint of anything sexual. I didn’t know if I was disappointed or relieved.
Bored, I trailed the tips of my fingers on her soft skin. The loose sleeve easily pushed up and I softly stroked from her inner arm to her shoulder. Her night was loose over her breasts, but her nipples began to harden as I caressed her.
I began to stroke the sensitive underside of her arm. She leaned over and picked the changer up and went to another movie. When she rolled back, my hand slipped inside the arm of her gown. Her skin was warm and soft from her shower. The sweet scent of blooming flowers drifted up.
The movie started and it was clearly adult themed.
“She looks like you, Cara.”
“Yeah, she does.”
As the actress took her clothes off, I added, “Nah, but her tits aren’t nearly as hot as yours.”
“Joey!” She half-scolded me and I could tell that she loved it.
“What? It’s true,” I said, lightly running my fingers over her breast.
“Mmm, Joey,” she moaned and half scolded, but I knew she loved it.
“And look, she’s totally shaved. Although I don’t know about you.”
She sighed, loudly.
I twirled my finger around her nipple, then tugged it longer. Fuck, her nipples were like baby bottle nipples.
“Well, I’m not,” she said quietly.
I felt my pulse racing at the thought.
Gently, I ran my fingers around the underside of her breast. A trick I’d learned from an ex-girlfriend – who told me that women usually find this area extra sensitive.
Cara gasped softly as my hand moved to the second breast and pressed against it while slowly tugging on its nipple.
“His dick isn’t as nice as yours,” she said, watching the screen.
“Thank you.”
“It’s not. Yours is fatter. And those veins are hot.”
My cock throbbed at her compliment.
“My dick likes what you said.”
“Yeah?” she said, then her breath hitched when I fondled her breast.
I toyed with her breasts as we watched more of the movie. This was clearly much more adult themed, and they were regularly fucking and stayed naked the rest of the time.
“Did you pick this movie because of the sex?”
“Yeah.”
“Thought so,” I said, tweaking her nipples. She giggled.
“I figured you’d like to see tits and pussy and this movie looked like it has lots of them.”
“I do. But I have better right here in my hands.”
“Mmmm,” she moaned softly. “Imagine if Mom and Dad could see us now.”
“Oh my god, there’d be hell to pay. You get your hands off your sister’s tits right now!”
She laughed. “What if they saw you cumming all over my tits on the dock today?” she said, laughing even harder.
“What’s wrong with you son?! Letting your sister jerk you off like that!” We were nearly in hysterics talking about it.
The movie continued to get hotter and heavier, and they were in a good fuck on the bed. I went back to fondling her tits and playing with her nipples. As she watched and with my manipulations, she began to undulate her body. I could feel her chest moving with her soft panting.
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