Rough Waters - Cover

Rough Waters

Copyright© 2025 by soopad00pa

Chapter 6

BDSM Sex Story: Chapter 6 - Jack introduces his much younger girlfriend to BDSM and then her little sister joins them on a boat trip.

Caution: This BDSM Sex Story contains strong sexual content, including Ma/Fa   Ma/ft   Fa/ft   Mult   Consensual   NonConsensual   Incest   BDSM   Rough   Group Sex   Anal Sex   Sex Toys   Squirting  

Anna sat cross-legged in front of me, topless in white panties. I knelt behind her, my knees gripping her hips and my hands kneading her shoulders. Stacked coils of rope sat beside me and I’d rigged my spinnaker pole above me to use as a suspension point. Beth was sitting forward in the bow with her phone, ready to memorialize her sister’s descent into debauchery.

The sun was low in the sky but it was still warm and calm.

“Close your eyes and just breathe,” I murmured in her ear, lips not quite touching. “This is just you and me. Just us.”

I stroked my hands down her arms and gathered her hands, bringing them up to cross in front of her breasts. She made the bolder choice to bare them, but I wanted to give her a bit of psychological armor to set her at ease. I wrapped an arm around her, squeezing her to me, I pressed my cheek against hers. My other hand picked up the length of rope I had laid out and dragged it across her bare thighs and then back along her taut belly and I felt her shiver.

Passing the rope from hand to hand, I wound it around her torso, clamping her arms to her chest snugly. When I reached the end of the rope, I unwound it to the starting point and tied her wrists together. I then bound her arms to her torso again much more tightly. I added another length of rope to add more wraps and a couple of frictions to make it more secure and I continued down to her abdomen, also tightly, to restrict her breathing.

I tipped her sideways as I straightened a leg under her, gathering her into my lap. She opened her eyes and looked up at me. I smiled down at her and ran my hand down one coltish leg, spreading them and drinking in the sight of her. I gathered a thick bundle of her hair from the base of her skull and twisted it in my fist to stretch her neck. She moaned, closing her eyes, lips parting as her breath began to change.

My hands roamed her belly and legs. My skin was rough from life of physicality; hers was soft and smooth and warm. I gripped the edge of her belly where love handles would be if she had them and dug into her flesh until her back arched and she whimpered and then I resumed stroking.

I leaned over to grab another length of rope and gave it a shake to unwind it. I tied one end around her ankle and then bent her leg, tying a harness that kept her heel locked tightly against her ass. I grabbed the rope around her leg and her hair and used those grips to roll her off my lap and onto the deck on her side. I scooted around and brought her tied leg against my chest and knelt so that my hips were pressed into hers and leaned down against her bent leg, pressing it into her bound arms.

I used my weight to crush the air out of her for a beat and before she could start to freak out, I eased off and stroked her face, pushing the hair aside.

“So far, so good?” I asked. It took her a second to open her eyes and when she did, she gave me a small smile and nod.

I smiled back and gripped the rope around her chest and curled her up to me. As I brought her face to mine, I grabbed the rope around her leg and dropped to my hip, lifting her on top of me, bringing my shin across her belly to support her. I let go of her chest and gripped her chin, lowering her face to mine as she pendulumed around my leg.

I balanced her for a moment as she struggled to hold the position and then I swept my leg in an arc to give me the momentum I needed to rock up to a lunge position. As we transitioned, I dropped her crotch solidly on my thigh and cupped the back of her neck so she wouldn’t fall backwards.

She let out a little yelp as her cunt landed on my thigh. I felt the moist heat of her and growled a bit. I switched hands behind her neck and made a fist in the tender flesh of her free thigh. I slid her back along my thigh and then dragged her down my leg, shin grinding between her labia as I lowered her to her back.

“Hunh hunh huuunnh, fuuuuuuuck,” she moaned as she rode my leg to the deck. I stood and looked down at her panting body for a moment, taking a deep breath myself. It was a good thing I’d just recently used her sister...

I knelt and roughly wrapped her left leg in a much cruder version of the binding I used on the right leg. I went fast and hard, pulling the line brutally across the meat of her thigh, relishing the reaction she gave me. I quickly knotted a line to the rope wrapping her upper body and brought that up over the pole I had rigged above us. I looped it back into itself making a kind of adjustable pulley to control her height.

She was teetering on her knees, leaning into a backbend, hanging from the line on her chest.

I sat next to her and using her hair, twisted her face to mine. For a moment I just looked into her eyes from an inch away, sharing breath. Then, ever so softly, I kissed her lips. And again, with a touch more pressure. And then her earlobe, nipping it softly between my teeth. Her sigh escalated into a whimper. I brought my mouth back to hers, swallowing her cry as I devoured her lips and tongue.

I gripped her jaw and pulled away, leaving her breathless and dazed, her parted lips reaching for mine helplessly.

I slapped the inside of her thigh hard and she cried out and jerked against the ropes.

“Asshole!” she pouted at me. I laughed at her as I loosened the line her body hung from, lowering her to her back.

“How are your fingers and toes,” I asked. “Wiggle em for me.”

“My left leg is totally asleep,” she said. I could see her toes moving, even though she couldn’t feel it.

“I got you, girl,” I told her. I took the suspension line off her chest and tied it to the more stable harness I put on her right leg. I grinned at her and yanked her off the deck, leaving her left knee and upper body still grounded.

“Omigooooosh,” she squealed. “That’s intense!”

“Breathe...” I reassured her as I tied the line off on the pole above. I quickly unwound the rope from her left leg and gently stretched her leg open before sliding my hips under her lower back to help support some of her weight. This tie could be hard on the shin, which was what I wanted. I just didn’t want it to be hard enough that she’d want to stop.

Scooting in close like this left her crotch right at my chest level. I caressed her free leg and took a close look at her panties. They were not white cotton schoolgirl panties. They were low cut and mostly that sporty seamless lace with just a tiny patch of solid fabric to prevent me from seeing inside her. That patch was dark and wet and I could smell her arousal.

My hands roamed her leg and belly and cupped her ass cheeks as I fought with myself. I could dive in and take her so easily. My lizard was shaking his cage and his snout was eagerly reaching through the bars in anticipation.

“Fuuuuck,” I growled under my breath and bit her thigh.

“Oooooh, shit!” she cried. “JEEEsus, how is that good? Fuuucking hell.” I worked her flesh with my teeth, teetering on the edge of control as I gnawed and sucked on her. It was ... unsatisfying.

I tore myself away and sat back, panting. For the first time in a while, I noticed Beth. She was standing behind her sister, face flushed, phone vaguely pointed at us, her hand stuffed in her bikini. Our eyes met and she bit her lip at me. I shook my head sheepishly and grinned at her.

I forced my attention back to Anna and brought my hand down on her cunt with a slap. Her hips bucked and she sucked in air in a staccato ‘huh huh huh’ and shuddered. I left my hand on her mound just a bit longer than necessary. Or not nearly long enough, from my perspective.

I spun around and cradled her head in my lap and began to unwind the rope from her body. One hand passed the rope around her and the other stroked her face. I grazed the rope across her flesh and felt her shiver as it caressed her belly. I slipped my thumb in her mouth and pressed on her tongue while she moaned against my hand.

When I got to her hands I left them tied and stretched her arms out above her and then pulled them behind her head. I wrapped the rope around her body under her tits leaving her exposed. She lay across my lap, hands securely out of the picture.

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