Rough Waters
Copyright© 2025 by soopad00pa
Chapter 8
BDSM Sex Story: Chapter 8 - 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
We slept in the couch bed, the three of us all tangled together. I wouldn’t want to make a habit out of it, but it was good. Maybe a little too warm with all that extra flesh.
By late morning we piled into the dinghy and headed to the old bridge where the lobsters hung out. I still hadn’t told them what we were doing, interested in seeing their reaction to the giant roaches of the sea. I tied the dinghy off to one of the old bridge footings and we got on our masks and fins.
“This doesn’t look like much of a reef,” said Beth.
“Nothing gets by you,” I winked and tipped over backwards into the water. I heard the girls splash in behind me and began kicking along the stone footing looking for the wiggling antennae of our dinner.
The water was clear and the visibility was good, but I didn’t see any wigglers. I looked back to make sure I was being followed and then turned the corner. And then the next and something caught my eye. I signalled to Anna, closest behind me, and pointed down. Taking a deep breath, I dove the fifteen or so feet and found several lobsters tucked under the base of the old bridge in a crevice where stones had fallen away. I hung out in front of them and pointed as the girls reached me.
Beth shrugged as if to say “So?” so I reached out and grabbed one, pulling it from its companions in all its gangly, spiny glory.
Anna immediately blew out her air and flailed backwards, heading for the surface. Heh.
I dropped the lobster and swam up to join them.
“What the fuck was that!?” she spluttered, treading water and breathing hard.
“Dinner,” I said. I saw Beth trying not to look amused as she bobbed beside us.
“A giant fucking spider!? No, I don’t think so!” yelled Anna.
“It’s a lobster, you dork,” I laughed.
“I don’t want it. It’s gross and creepy looking!”
“It won’t look like that after we cook it, Anna,” said Beth.
“Well, I don’t wanna fuck with it until then. And maybe not even then. I might eat peanut butter and jelly for dinner,” she pouted.
“Tell you what,” I said, “you guys take the dink over to that beach and lay out or something and I’ll join you shortly with a bag of creepy spiders. OK?”
“Okey dokey, daddio,” smiled Beth, swimming up to me for a kiss. Then Anna sulked to me and laid her head on my chest.
“It just scared me,” she said. “I don’t like spiders, especially when they’re as big as me!”
“Don’t sweat it, lil bitty,” I grinned. I gave her ass a grope and we swam to the dinghy.
I got them settled and made sure Beth got the outboard started and then swam back to see if the lobsters were still there.
They were and it was a matter of a few minutes to bag up four of them - all I could fit in my sack - they were big and awkward. I headed out to swim the couple of hundred meters to the little beach I sent the girls to.
As I approached, I saw more people on the beach. Bummer. I’d hoped we’d have it ourselves for a bit, but the old bridge area, while not particularly popular, was a kind of cool park area and people sometimes fished around there.
Getting closer I heard one of the girls yell “Get the fuck away from us!” and popped my head up to see what was going on.
There were three guys looming over Beth and Anna, postures aggressive, and I caught the end of Anna’s shoving one of them as I ducked my head and put on speed. I was still about a hundred feet away and dropped my sack of lobsters and swam as fast as I could.
Another glance and I saw one of the guys on his hands and knees clutching his junk and saw a freeze frame of Beth getting backhanded and falling to the sand. A couple more strokes and I had my feet under me and then the water was waist deep. I kicked off my fins and tossed my mask as I stomped through the water. Knee deep and then I was on the beach.
The guys heard me splashing right as I hit the sand. The first guy was turning just as I reached him - he’d been holding on to Anna and she was yanking against him, but he was much bigger than her. As he spun toward me I punched him in the throat and then swept his legs out from under him and stomped on his ribs as soon as he landed.
The 2nd guy had jumped down on top of Beth after she fell. I saw her curled up and covering her head as he jumped up to face me. We hit each other at about the same time, but he hadn’t quite gotten his feet under himself and I had momentum. I dimly felt his hand collide with the side of my head and my hearing went out in a buzz. I had aimed for his throat too, but caught him on the jaw. The important difference was that he threw one punch and I had already loaded my followup with no intent of stopping.
I’m pretty sure the second missed him but the third and fourth connected and as he staggered back I launched a strong front kick right up the middle into his belly and he crumpled. I turned to the third guy to see him down and Anna repeatedly kicking his ribs. I double checked that they were all down for the moment and rushed over to Beth.
“Hey,” I said. I tried to be soothing but I was shaking from the adrenaline and my voice sounded funny. “Beth, I got you. Lemme see, baby.” I crouched close and stroked her hair carefully and she uncovered her head and looked up at me. We made brief eye contact and I could see she was in there. I looked over my shoulder to see Anna still kicking, though she’d slowed her pace.
“Anna, don’t kill him!” I laughed. Inappropriate, I’m sure, but adrenaline fucks with your head.
She caught herself and rushed over to us as I was sitting Beth up. I cupped her face carefully in my hands - it was already swelling - and she winced.
“Ow!” she said, working her jaw.
“Anna,” I asked, “how bout you? Hurt anywhere?” I motioned for Beth to stay seated for the moment.
She took a second to answer. “I think I fucked up my toes on that guy.”
“OK, I guess it could be worse. Call the cops, OK?” I said. She jogged over to her bag where they’d started to lay out and I got up and checked on the men. Not to render first aid, but to see if they needed any more beating.
The cops arrived quickly to find me sitting atop the third guy, the one I’d kicked. He was the only one that was in any shape to take off and when he tried, I took him down and held him there as he cursed and threatened me until the cops showed up.
Beth and Anna sat on their towels, talking with their heads close together. I was exhausted and kind of cold, even though it was warm out. I knew this was the adrenaline dump; not my first rodeo. I happily handed the third guy off to a deputy to cuff and then sat with the girls, checking out Beth’s face and Anna’s foot.
“You’re gonna have a helluva shiner,” I told Beth. She grimaced and then flinched. “Hurts?”
“Duh,” she said. I smiled at her and squeezed her hand. “Lemme see your foot, Anna.”
She stretched it out and I held it in my hands. “Can you wiggle your toes?”
“Yeah, but it hurts,” she said. They did, in fact, wiggle and weren’t obviously broken or dislocated. I manipulated them carefully and she didn’t scream.
One of the deputies came over to us.
“Hey folks,” he said. “First off, are you guys ok? We have an ambulance on the way, but is there anything we need to tell em?”
“I think it’s all pretty superficial,” I said, “but Beth took a pretty good hit to the head and I’d feel better if someone checked her out.”
The deputy nodded and spoke into his radio’s shoulder mic, “Show us with one additional, possible head injury.”
He pulled out a pad and said, “Can I get your names and what happened here?”
We spent the next twenty or so minutes talking to the cops. At some point during our statement Beth touched my arm and said, “Baby, your ear’s bleeding.” I reached up and felt around. There was indeed a little blood.
“Is it from inside or a cut or something?” I asked. Beth stood up on her tiptoes and examined my ear. There was a small cut on the back of my ear and the whole thing was puffy and swollen.
“You’re fine, you big baby,” she said. I pinched her ass and she squealed and we went back to talking to the cops.
It seems the guys had been here fishing when the girls arrived, pulling the dink up on the beach. Sounded like they decided that two lone and attractive women needed company. They approached them within just a couple of minutes of them laying out their stuff on the beach. The girls immediately expressed their desire to remain alone and the men pushed the issue. A couple of tense verbal exchanges later and Anna started yelling - the shout I heard as I approached.
After yelling ‘get the fuck away from us’ one of the guys shoved Anna, so Beth shoved him and there was a brief exchange of pushes and insults before Beth punted the guy in the nuts. The third guy then walloped her across the face, knocking her down and jumping on top of her and smacking her a couple more times, mostly on her arms.
Anna and her assailant transitioned from a shoving match to a tug of war, which she was on the verge of losing - though she be but little, she is fierce - when I intervened.
The cops had a lot of questions for me since the guys were in bad shape, so I answered the same questions over and over from different angles. As they were asking me the same questions for the third time, the paramedic finally got around to checking on Beth and gave her a clean bill of health, with the caveat to see a real doctor if she had vision problems or persistent headaches and told Anna and I to check her pupils hourly for the rest of the day and make sure they looked the same. If any of those issues cropped up, we were told to get to the ER ASAP.
Finally the cops were satisfied and took off escorting ambulances full of douchebags.
I sighed with relief. None of us were seriously hurt and it looked like there wouldn’t be any charges for any of us. The cops could’ve probably charged Beth and Anna both for assault, but they were young, attractive, and small. I was not any of those things, but it seemed like there wouldn’t be any charges filed against me either. I’d have to cross my fingers and hope those jackasses didn’t pursue civil action later.
“I lost our dinner,” I said.
Anna started laughing and Beth joined in and they didn’t stop for a while.
Back on the boat, I gave Beth a bag of ice for her face and emptied a bucket I use for cleaning supplies to fill with ice water for Anna’s foot. I swabbed my ear with some alcohol.
“Sorry I left you guys,” I said as they lay sprawled on the bed, freezing various body parts.
“Hey, no! It wasn’t your fault,” Beth said.
“Yeah, dude,” Anna chimed in. “You can’t control the assholes of the world!”
“I know. I don’t blame me, but I’m sorry it happened and I’m angry at the world right now,” I said.
“Yeah,” said Anna. “Me too. It did feel kinda satisfying to kick the shit outta that dick, though. And also, you were kindofa badass, swooping in like Chuck Norris!” She made a couple of karate chops in the air.
“I missed that part,” frowned Beth.
“Oooh ooh,” Anna was getting excited and bouncing around awkwardly with her foot in a bucket. “He like, came up out of the water like - like, in a movie and pow knocked the dude down in like two seconds and then beat up that guy that punched you in like two more seconds! It was over like, lickety split!” More karate moves had Beth giggling and wincing.
“Pfft,” I said. “I’ll lickety your split!”
“That’s what big, strong men deserve,” she crooned at me. “You won the girls, now they’re yours...”
I leaned forward and gave her a good, hard kiss. “I will absolutely take you up on that.” I said to her, voice pitched low. I turned to Beth and kissed her lips carefully and grinned at her. “You may have created a monster,” I cut my eyes at her little sister.
“That was all you, daddy.” She pressed her forehead into mine and smiled.
I lay back in the bed and the girls snugged up against me in our traditional me in the middle order.
“Gaaahh!” I flinched, as Anna dragged her icy foot up my leg.
“Gotchaaaa,” she giggled. I leaned to her and bit her lip, crushing it until she squealed and then some. “You’re not nice!” she pouted.
“That shouldn’t be news to anyone,” I said with a yawn.
Some time later I awoke. I’d been dreaming of a world in black and white and I was running - chasing or fleeing, I didn’t know. There were dense schools of fish in the air and I swatted them aside as I ran. There were thunderous, unintelligible voices from all around and each syllable sent flashes of lightning through the sky.
I rose out of the depths of sleep to the sounds of murmurs below me and the gentle stroking of fingernails on my shaft. I lifted my head to see the sisters in profile, whispering to each other over my dick.
“Best alarm clock ever,” I slurred, my mouth dry. I tried licking the inside of my mouth moist but it was as if I’d falled asleep with a paper towel in my mouth.
“How was your nap, baby?” Beth asked.
“Good, I think,” I said. “How long?”
“Not quite an hour, I think,” said Anna as Beth ran her tongue up the length of my shaft. “You got a boner in your sleep and it like, poked me and I woke up and then when I moved, Beth woke up and then you woke up, I guess cuz like, we’re, uh, messing with it?” Anna was babbling; probably still nervous. Fair.
“What we’re you dreaming about that got you so hard?” Beth said as she rubbed the head of my cock on her face.
“Fish,” I laughed.
They looked confused. “Uh, kinky?” said Beth.
“Dreams make no sense,” I shrugged. “My mouth is super dry, I need a drink.”
Anna crawled my way. “Lickety split,” she winked, and swung her leg over my head. She was definitely moist. As Anna’s lips met mine, Beth’s lips slid around my cock. The day was looking up.
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