woman reading by the sea

Birthday Boy

  • 08/10/2025
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Xarth

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“You actually want to try this, don’t you?” I said.

Mom nodded. “I told you I did.”

“No but I mean… not just as a present for me.”

“Well… it would be something new.” Mom bit her lip while letting me pin her down. “And I did seriously enjoy the way you licked my bum. I wasn’t sure whether to be excited or scared. I think maybe right now I’m excited.”

I couldn’t possibly have been any harder. Naked tumbling about with Mom after her and Elsie playing with my cock, and now getting her full horny attention while she told me how much she wanted me in her ass. It was way too much for me to resist even if I’d had the slightest interest in holding back to start with.

“Can I flip you over?” I asked.

Mom nodded quickly and giggled in delight as I rolled her onto her tummy. Her juicy booty was back in front of me, daring me to do so many naughty things. I started with only just rubbing my cock against her, letting her ass cheeks trap me between them, sighing at how wonderful that felt. I got a touch apprehensive that actually being inside her might be too amazing.

“There’s lube just there,” Mom murmured, reaching out an arm to point.

There was in fact a bottle just beside the bed, prominently left out as though Mom had known it would be needed. Or maybe she’d just been using it herself lately, what with her anal training for today. It was still ridiculous to me that my own mother of all people would have reason to put things in her bum, let alone do it specifically for me.

I experimented with the lube, pouring some on my fingers and smearing it around. By the time I turned back to Mom, she had pushed herself up on her knees and stuck her ass up toward me while her chest and shoulders remained firmly on the bed. It was an awfully slutty pose. I loved it.

I rubbed my slippery fingers on her butthole, really enjoying the feel of it. I poured on more lube, rubbing firmer and firmer until I dared actually pop inside her tight little bumhole.

Mom gasped, but pressed back against my intrusion. She wanted more, wanted deeper. I happily obliged.

Her ass clung to my fingers. First just one digit, then two. She was warm and taut, but definitely practiced at stretching herself out a bit. She adjusted pretty easily to my dual finger-fucking of her sweet booty, and cooed in encouragement for more.

Elsie padded in casually while I was still awestruck about the way Mom’s bum wanted to swallow my fingers right up. I spared a glance or two for my big sister while she made herself comfortable on the top corner of the bed, out of the immediate way but still in easy reach. She remained nude and still carried her phone with her, though her attention was fully on Mom and me at the moment.

“Really going for it, huh?” Elsie remarked.

I whimpered softly. I should have been used to my naked sister’s presence by now, but somehow her sitting there spectating like that just added to the intensity of the moment.

“This is gonna feel so good,” I said.

“Mmm, it probably is too,” Elsie agreed.

To my mild surprise, she shifted over and poked a finger at Mom’s butthole. I let her have a turn fingering Mom’s backside, though couldn’t hold myself back for long and soon we were playfully fighting over the right to finger our mommy’s ass.

Elsie and I giggled as we each ended up with a finger inside at the same time. It felt weirdly wholesome sharing like that, as well as feeling like we were both more on the same level for a bit. It was almost like my sister was still loosening up and letting her guard down, even though one would kind of think that having sex and getting cummed in would be the culmination of her vulnerability for the day.

Mom got pretty wiggly having both her kids fingering her ass at the same time. “You’re teasing me too much!” she protested breathlessly.

“Hehe, getting impatient are we?” Elsie asked.

“Kind of,” Mom said.

“You want your baby boy inside you pretty bad, huh?” Elsie said, still pushing her finger in and out.

“Elsiiieee!”

“Gettin’ embarrassed now,” Elsie laughed. “But you do want Sieg in your butt. The first guy ever, hm?”

“Yeah,” Mom admitted, not that we hadn’t all known that already. “Please, baby?” she added.

Both Elsie and I groaned at the way Mom looked back pleadingly over her shoulder. It was way too cute and slutty a look to be coming from our mother. I couldn’t resist it, and apparently Elsie couldn’t either. Didn’t even try. She sat back where she’d started, but closer now so that she was right next to Mom’s head.

Elsie forgot her phone at this point. Forgot to pretend to be aloof toward the whole thing. She played with her pussy with one hand, and offered her other to Mom. It shouldn’t have surprised me when Elsie got Mom to suck on the finger that had just been inside her, but pleasant shivers ran through me all the same. Arguably all three of us were getting too horny and slutty for words at this point. There might not even be enough cummies in the world to take care of that, the rate we were going.

Elsie alternated making Mom suck on her fingers with petting her gently for being a good girl. I had to only half pay attention to her or I’d get lost in just watching.

I had bigger goals to meet. At least one right in front of me. Mom’s decadent booty was mine for the taking. All shiny and lubed up now, and practically begging for me to get one with it already. Mom had to know she was wiggling her hips hornily at me, but I wasn’t sure if she was aware about the little flexing of her butthole as she waited for me to penetrate it again.

I pressed my cock to Mom’s asshole, unsure of how much effort it would take to get inside her. I didn’t want to hurt her or anything. Mom whimpered and pushed back against me, stretching her own bootyhole around the head of my cock, but not quite popping it in.

She was significantly tighter around my cock than my finger. Even though her ass kept accepting, I continued to worry it wouldn’t right up until I sank halfway inside her and found that I could just keep going.

“Babyyy,” Mom whined.

Elsie held Mom’s hand tight while rubbing her own pussy with her other hand. Mom needed the emotional support, and apparently my sister needed to masturbate.

I, however, just needed Mom’s ass.

“Tell me if you need me to stop,” I said.

Mom shook her head, and again pressed her hips back toward me. I was afraid of it being too much for her, but I was more and more getting the sense that she had trained sufficiently for this, and in fact wanted it even more than she let on. Perhaps far more than just for the sake of giving me a treat.

It was kind of an exciting thought to consider that maybe Mom had been interested in anal for a while–maybe even a long while–and had waited all this time to try it with me now. That was only horny speculation though.

In any case, her bum swallowed up my cock and my hips pressed against her soft ass cheeks. I buried myself in my loving mommy, luxuriating in the feeling just for a moment before I started fucking her.

I seriously couldn’t help it. Mom and Elsie had me turned on way too hard before we even started, and being snug in Mom’s butt hadn’t cooled me off any.

Mom cooed happily and burbled incoherently as my hips slapped lightly against her ass. I was holding back as best I could, fearing the moment she’d have to tell me to stop, that it was too much. She didn’t say any such thing, however.

The slapping increased, and I drilled a little harder with every anal thrust. I pounded my mommy harder than I thought she could take, and still she only wanted more.

I wanted more too, but couldn’t withstand the pleasure and the pressures of my own body. I gave a last hard thrust, then came deep in Mom’s butt. It was an absolutely phenomenal feeling, tempered by the mild disappointment that I hadn’t lasted longer.

“Mmm, baby,” Mom purred. “You just made a mess in me, huh?”

“He’s been known to do that,” Elsie said blithely. She was still rubbing her pussy, somehow emphasizing its cum-filled state just by the way she masturbated.

“I did,” I said. I spread Mom’s ass as I slowly pulled back, popping free of her little hole. “That was amazing, thank you. I couldn’t even last as long as I wanted.”

Mom rolled on her side, curling in a very cute pose while flashing curious and interested eyes at me. “Do you want to go again?”

I gasped. “Can I?”

“Of course, baby. I was just getting into it.”

Elsie giggled. “Hehe, Mom’s a butt slut now. Once isn’t even enough.”

Mom ignored her and just stared at me, biting her lip sexily.

“I could probably go again,” I croaked, my softening cock already giving a few twitches back to life.

Mom smiled and rolled on her back, spreading her legs lewdly. She lifted her hips and stuck a pillow underneath, lifting her butt up some more.

“How do I, uh, do it from this angle?” I asked.

Elsie interrupted before Mom could say anything. “Legs over your shoulders, bro. Press her legs back, hold her where you want her, stick it in.”

My sister was rubbing herself faster, eyes intent on my cock and Mom’s horny pose.

“Oh, ok,” I said. “Give me a second.”

Mom turned to Elsie. “Sweetie, give your brother a hand, would you?”

Elsie cocked her head. “That was just in your ass, Mom!”

“Well you can wash your hands after,” Mom said. “Just… oh.”

Elsie had darted forward with a sudden burst of speed, crawling the short distance to me and swiping her tongue over my cock. My sister was full of surprises sometimes. Just when I thought I understood her limits, I was proved wrong. That applied generally, but stood out with sex in particular.

I groaned as Elsie licked my cock and even deigned to suck on it. She looked up thoughtfully at me in between bouts of returning me to full erection.

“We’re all getting to try new things today, aren’t we?” she murmured thoughtfully.

I just managed a somewhat undignified squeak and a nod as my sister bathed my cock and got me ready for Mom’s ass again. She even helped get me positioned with Mom’s legs over my shoulders, and assisted my cock sliding in.

Mom’s butt was just as heavenly the second time around, and having Elsie’s help to butt-fuck our mother was super hot too.

I filled Mom’s ass and fucked her enthusiastically. It took some experimentation to find my rhythm from this new position, but it felt so good railing her bum once I got going.

“Oohhh, babyyy,” Mom moaned. “That feels nice. Oh that’s really nice from that angle.”

“Hehe, you got it bad,” Elsie laughed. She settled back into her comfy spot to rub her pussy some more and casually spectate the incestuous anal happening in front of her. “You sure you never did this before?”

“Mmm, never,” Mom purred. “I assure you.”

She was really enjoying herself. Like Elsie, I could still find a touch of skepticism about it being her first time, even given that we’d seen the evidence of Mom’s anal training. She just took it so professionally. But the joy and discovery she expressed went very much the other way. Her expression looked the way I felt; happy and alive, and enjoying the moment for all it was worth.

Mom went so far as to burst out squirting. She caught me completely off-guard, though I was delighted when I realized what was happening. I’d heard her cute, horny little noises getting higher pitched, but it hadn’t occurred to me that she’d actually cum just from getting her butt drilled, even if it was her son doing it.

“Oh my god,” Elsie hissed, wide-eyed. “You just came from that?”

Mom nodded nonverbally.

“Damn,” Elsie said, shaking her head slightly. “Our mom’s a butt slut. Crazy.” She absently fumbled for her phone and snapped a picture of Mom post-anal-orgasm, still impaled on my dick.

“It’s… it’s just nice,” Mom panted. “I can’t help it. And I think I needed this after all that preparation. And that spot he’s hitting from this angle….” Mom gave a cute little whimper and shiver as she trailed off.

“I like you being a butt slut, Mommy,” I assured her.

Mom grinned at me past heavy-lidded eyes. “You don’t say.” She grinned wider, and a tad evilly. “You going to cum in Mommy again? In my ass?”

I groaned. “Mooommm!”

“Ooh, he’s gonna,” Elsie said. “He’s gonna do it!”

“You’re both not helping,” I protested.

“Depends on what the goal is,” Elsie said. “I think it’s to make you nut in Mom’s ass.”

“I wanted to last longer,” I said.

“Oh. Then yeah, not helping,” Elsie agreed. She leaned over Mom, grabbing one of her boobs in the process, and got her face way closer to the action. “You should cum deeeep in her.”

“Stooop!”

I pounded Mom even harder though. I couldn’t help myself. Elsie seemed to effortlessly know how to push my sexual buttons. Though to be fair, I don’t suspect I was all that complicated to figure out.

“Cum, little brother,” Elsie said, fingering Mom’s nipple as she taunted me. “Cum now. In Mommy.”

I got some revenge as Mom came again and caught Elsie in the face with her squirt. It was satisfying to watch, and pretty sexy too.

I probably wouldn’t have lasted much longer anyway, even without Elsie’s encouragement. I exploded inside Mom’s ass for the second time in quick succession, this time feeling myself properly drained and very pleased with myself.

“You got me in the face,” Elsie complained.

Mom, looking as happy and lazy as I felt, patted Elsie’s cheek. “I sure did.”

“Coulda warned me,” Elsie said. “That’s polite.”

“I’ll clean you, if you want,” Mom offered.

“With your tongue?”

“Maybe.”

“No thanks,” Elsie said. “But we should get your plug back in. Keep all that mess inside.”

Mom shook her head. “A smaller one, I think. Grab me one, would you please?”

“Um….”

“In my closet, sweetie.”

Elsie nodded and hopped off the bed. Of the three of us, she still had energy. Though admittedly, just watching my naked sister prance about made me feel like I could go again. In an hour or so, perhaps. Or two. I’d cummed a lot already today.

“Haha, oh wow,” Elsie laughed. “You have lots of toys in here.”

“Just the butt plug, please,” Mom said. “A small one, remember.”

Elsie still giggled and came back with a plug about half the size of Mom’s bigger training toy. She also held a much larger toy in her other hand.

“You got a magic wand even, hm?” Elsie teased.

“I get horny sometimes,” Mom said defensively. “You’re not using that on me, I’ll tell you that right now. I need a break.”

Elsie cheerfully popped the new plug in Mom’s sloppy bumhole, then laid back down herself. She located the nearest outlet and plugged the large vibrator in.

“Don’t worry, Mom. This is for me.”

Mom bit her lip. “That’s… that’s mine though. We shouldn’t share.”

Elsie made a face. “Really? That’s where you draw the line? After Sieg just came in your butt twice and everything?”

Mom squirmed. “This is different.”

“Too weird to share sex toys with your daughter?” Elsie questioned.

“Um… more like it’s kind of exciting actually,” Mom said.

Elsie looked from Mom to the toy, back and forth a few times. “I don’t know why this is different from sharing Sieg today, but no matter. I’m not letting you embarrass me out of this.” She flicked the vibrator on, and the hum was instantly louder than I was expecting. Not that I supposed I knew what to expect, exactly. “I always wanted to try one of these.”

“And you’re particularly horny right now,” Mom added.

“Mom! I said you’re not going to embarrass me out of this,” Elsie said. Her face was slightly pink and blushy though.

Mom shrugged and curled up on her side, right next to Elsie while watching her. Elsie wouldn’t look straight at Mom or I, but I could tell she was determined now and wasn’t going to let any awkwardness stop her.

“Oh my fuck,” Elsie moaned as soon as she pressed the vibrating head to her pussy. “Oh wow! That’s intense.”

“It’s pretty strong,” Mom agreed, slightly amused. “I wouldn’t go straight for your clit. At least not right away.”

“No, I can feel that,” Elsie said. “That would probably be too much. Unf. It’s nice though. I might need one of these.”

“You can borrow this one when you want to,” Mom offered.

“You’d probably just enjoy that,” Elsie said.

“Well it is rather naughty that it’s been on both our pussies now,” Mom said. “And I did warn you.”

“Yeah yeah,” Elsie grumbled.

She couldn’t maintain even a frown for very long though. Her lips kept falling open in a soft pant as she vibed her wet little pussy, carefully edging up to her clit but not hitting it straight on.

“Hey Sieg?” Elsie said, voice a tad strained.

“Yeah?” I said, blinking back to reality somewhat, having been hypnotized by my sister’s masturbating.

“Would you want to… maybe… try sticking a couple fingers in my butt?”

I wasn’t expecting that, but it didn’t take me long to get past the shock and straight to being fully interested.

“Really?” I asked.

“Yeah. Don’t be weird. Just… Mom seemed to like it in the ass. I feel like it might give me an extra kick right now.”

Mom gently played with Elsie’s hair. “I think you’ll enjoy it, sweetie.”

“Yeah, maybe. Probably.” Elsie blushed deeper. “I may have tried my own finger a couple times. It’s… different.”

I lay down below my sister while she spread and pulled her legs back. She didn’t leave me a lot of room to get at her booty, but it was enough. I lubed up my fingers and rubbed them over Elsie’s butthole, back and forth, getting her slippery and ready. I was slow and cautious about actually dipping inside her, and had to hide my amusement when she actually got impatient with how long it was taking me to finger her ass.

“I’m not fragile, you know,” Elsie said.

“I don’t want to hurt you,” I said.

“Thanks. But… do it, please.”

I pushed one finger inside my sister’s ass. She gasped, but it did indeed go in fairly easily and painlessly. The second finger was a bit more of a stretch, and even made Elsie whimper cutely despite her best efforts.

“Ooh, ok, that’s the stuff,” Elsie moaned, continuing to vibe herself all the while.

Mom was cuddling up even closer to her now, and Elsie was in no state to protest the intimacy this time.

“Feels good, doesn’t it babygirl?” Mom breathed.

Elsie bit her lip and nodded. “Mmhm! I’m not gonna be a butt slut like you though.”

“Oh, I don’t know. You’re kind of just like your mommy in so many ways,” Mom teased gently.

Elsie shook her head, but I could feel the reaction to the way I moved my fingers inside her. She liked when I pressed toward her pussy from the inside. Kind of mimicking the way my cock would feel inside Mom the way that had made her cum so hard.

“You’re my precious, sexy babygirl,” Mom insisted.

“Unf. And you like me getting fingered by your perfect, darling babyboy?”

“Maaayyybe,” Mom purred. “It’s… very hot.”

Mom kissed Elsie, and Elsie as it turned out was too worked up to even pretend not to want it. She kissed Mom back just as deeply and fiercely as if they were in love, and not just working together to give me an awesome birthday.

I watched the sloppy, horny makeout, of course. But my main focus remained on how it felt to have my fingers buried and wiggling in my big sister’s bum. Her tight hole clung to me so sweetly, and made me imagine what it would be like to have my cock inside Elsie’s ass. I didn’t even have to imagine that hard, since I was fresh from fucking Mom’s butt, and I was pretty sure they weren’t all that different.

Elsie lost all control for a while after that, as she came in large, squirting waves. She partly caught me in the face with her cum, and partly made a mess of herself and the bed. It was incredible to watch and experience from up close like that.

“Unf, don’t stop,” Elsie moaned.

I’d contemplated pulling my fingers free when she stopped cumming, but she wasn’t even done. She went for a second round, still vibing close to but not directly on her own clit. I kept fingering her bum for her, while Mom lay there in awe, just watching and slowly running her hand over Elsie’s tummy and tits.

My sister came again, not quite as dramatically as the first time, but still messy. Apparently it was enough to sate her this time as she flicked the magic wand off afterward and tossed it gently aside. Elsie lay spread-eagled, flushed, and happily panting afterward.

I deemed it safe by then to extract my fingers and sit back to just admire the beautiful view. My mom and sister made a gorgeous tableau, though neither was particularly doing so on purpose at the moment. That might have been part of what was so attractive to me.

“Ok,” Elsie eventually said contemplatively. “I think I might see the appeal.”

Mom smiled and kissed her cheek. “Good girl.”

“Mooommm! Why are you always so embarrassing?” Elsie complained.

“I’m your mother. It’s my prerogative.”

“It’s unfair is what it is,” Elsie grumbled. “My friends’ moms aren’t so weird.”

Mom shrugged. “I don’t think that’s true. And anyway, they aren’t half so much fun.”

“That’s a good point,” I agreed.

Elsie frowned, but then sighed and nodded. “It is,” she admitted. “I’m worn out now though. Can we just be chill for a while? Maybe with snacks?”

“Ooh, snacks sound good,” I chimed in.

“Regular snacks,” Elsie said. “Not pussy.”

“I know what you meant,” I said. “I’m not eternally horny or anything.”

“So you say.”

****

We just hung out as a family for a while, and it was really nice. It was similar to our time cuddling on the couch that morning, but even more relaxed since all three of us were well and truly done with sex for a while, and it took time to build back up to being horny.

Which was weird, because none of us got dressed at all. Even while it was happening I had moments of being unable to fathom nakedly sharing space with two hot women and not being aroused to the point of uselessness. Yet I remained mostly functional and able to enjoy our time together on some very different levels.

Making snacks together, watching movies, chatting about random topics, it all just felt nice and familial. Yes there was some snuggling involved, and sure we did occasionally fondle one another in some decidedly incestuous ways, but it felt like just a small addition to regular family life. Particularly close, happy, and bonding family life, actually, since it was kind of rare for us to spend that much time together all at once.

I was free to touch my mom and sister anywhere I wanted. They ignored it, or encouraged it, or favoured me with indulgent smiles and went back to whatever they were doing. I didn’t take too much advantage for a while. It was nice to just be together. But it was also nice to occasionally brush my cock against Elsie’s ass or suck on Mom’s tits, just as a passing fancy.

I ended up taking a bath with Mom later in the day. Just a long hot soak to relax. I sat in her lap for a while, resting against her slippery boobs while she idly ran hands and fingers over me, arguably helping wash me, but mostly just being quietly sensual.

We swapped places eventually, which was so much worse for trying to stay calm and relaxed. My cock trapped under Mom’s delectable ass was a recipe for horniness, and my roaming hands kept ending up gravitating to her chest and feeling up her breasts.

We only exited the bath when it finally got too cool to be comfortable. We toweled off, each eyeing the other sidelong, thinking and preparing while trying not to be obvious about it. I wasn’t even sure what we were trying to dance around. There was nothing subtle about the way we held hands once we were dry and tried to drag each other off to bed.

It was a bit of a laughing free-for-all down the hallway and falling haphazardly into Mom’s bed. We were feeling silly and horny, but we’d also messed around enough all day that the pressure was off. It was like we could truly just have fun with it now.

I playfully wrestled with Mom, smooching and fondling her and letting her do as she wished with me in return. She did kind of crank the moment back up a little though when she looked at me with her most seductive eyes.

“Do you think you’d want to cum in my pussy this time?” she asked.

“Unf. Well yeah, I could go for that,” I said.

“That would be nice. It’s been missing out a little all day,” Mom said, patting her cooch.

“You really only had to ask,” I said.

“Hehe, yeah. Well… I’m asking now.”

I couldn’t resist Mom when she was like this. Not even a little bit. I held her and kissed her, and we moaned into each other’s mouths as I sank into her warm, wet, loving pussy.

There was nothing hurried between us. We were slow and sensual, enjoying our time entwined and the comfort of being together. Mom made me feel warm and cozy all over, outside and in.

Elsie, seemingly having a sense about these things today, padded into the room shortly after we’d started. She slinked into bed with us, getting cozy but not immediately involved.

Elsie’s fingers ran silkily along Mom’s bare neck. “Where’d your collar go?”

Mom shrugged. “We just had a bath, sweetie. I took it off.”

“Pity,” Elsie said. “I like it on you.”

“Oh do you?” Mom asked.

“Yeah. Makes it clear when you’re being a horny mommy.”

My hip movements had slowed, though I was still gently fucking Mom. I looked down at where my cock disappeared in her pussy, over and over.

“I feel like it’s pretty clear right now either way,” I said.

“Hehe, good point,” Elsie said. “I guess fucking your son is obvious enough.” She paused, then swung her leg over Mom’s head. “We can be more obvious though.”

I moved back and made room for my sister to sit on Mom’s face. Mom made an exasperated noise, but was pretty quick to start eating Elsie out. I lifted Mom’s legs up to get a better angle, and resumed having sex with her while Elsie got her snatch licked.

Elsie grinned at me. “No reason you should have all the fun.”

“Very sensible,” I agreed.

I pulled her in for a kiss. Elsie was bemused about it at first, but gradually got into it and kissed me back even more firmly and sloppily than I’d kissed her. I made out happily with my big sis while we shared our mom between us. All three of us getting what we wanted at the same time. Very loving and familial.

Elsie helped me make Mom cum by rubbing her clit while I sensually fucked her pussy. My sister then stared intently at me and encouraged me to cum too.

“I know you want to,” Elsie said, making intense eye contact. “You bred your sis-ter, now you want to breed our mom-my.”

“Unf, why does it feel so good when you say things like that,” I groaned.

“‘Cause that’s what you liiike,” Elsie grinned.

“It’s what you like,” I countered.

“I would never,” Elsie said primly. “This is only because it’s your birthday and all.”

“A pretend good girl act doesn’t work so well when you’re currently sitting on Mom’s face,” I pointed out.

Elsie shrugged. “Not a good girl. Just… not as bad as you.”

“Beg to differ,” I said.

Mom was clearly trying to tell us to cut it out with the petty arguing, but Elsie kept ‘accidentally’ muffling Mom’s efforts with her ass. I then further distracted Mom by cumming as deep as I could in her pussy, and incidentally adding another instance to Elsie’s incestuous breeding kink. Admittedly, it was pretty hot to me too, though I very much didn’t want to do it for real and impregnate either of them.

Elsie whined and writhed around on Mom’s face as she watched me pump cum into Mom’s pussy. She got off of Mom, eyes shining and pussy glistening, and looked at me while rubbing herself.

“Don’t suppose you want to do me again too?” Elsie asked prettily. “Mom licked all the cummies out of me, after all.”

“Did not,” Mom protested weakly.

“You probably want to fill me up again,” Elsie said.

I groaned softly, already interested in her ploy despite just cumming. “I think you want to be filled up again,” I said. “You want to be bred again by your bro-ther.”

Elsie’s cheeks flushed. “No! You want it!”

“I don’t know,” I said, shifting over and letting my cock bounce a little. I watched Elsie’s eyes follow the little trail of cum that still clung to the end of my cock. “If you don’t want it….”

“I didn’t say that,” Elsie said.

“Sure sounded like it,” I teased.

My sister pouted at me. “Are you going to make me say it?”

“Maybe.” I thought about it, then nodded. “Probably,” I amended.

She sighed. “You’re just lucky it’s your birthday.” Elsie squirmed a bit, but looked straight into my eyes. “Please breed me again,” she said, her voice soft but firm.

I groaned and felt myself get back to full hardness almost immediately upon hearing those words. Things like that were way too slutty coming from my sister, in a very good way. I knew she didn’t actually want to get pregnant, but just being able to share the fantasy with her, the sheer naughtiness of it, was intense and tingly. It was hot that, if anything, she was even more into it than I was, even if only for this one day.

“Good girl,” Mom said, patting Elsie’s head.

“Mooommm! So embarrassing,” Elsie complained, not for the first time today.

“I thought you might go for anal,” Mom said. “But you do like your brother in your pussy, huh?”

“I’m not a butt slut like you,” Elsie said. “Maybe a finger or something in there every now and then would be nice. But that’s it!”

Mom nodded. “Of course,” she said guilelessly. “How silly of me to think something like that when you’re such a prim and proper young lady.”

Elsie rolled her eyes and looked hard at me again. “Please just do it. Just so she’ll stop already.”

“Moms,” I said. “What can you do?”

“Nothing really,” Elsie sighed. She spread her legs lewdly and encouraged me in.

I sank into my sister, feeling the magic of her wet, welcoming pussy. She wrapped her arms and legs around me and pulled me tight to her as we had sex together again. Much more intimate and romantic than last time. It had a very different feel to it, and in many ways I liked it better than purely being horny and fucking.

Elsie made an odd little whimpering noise at one point while her face was hidden against me.

“What?” I asked gently.

“Nothing. Mom just decided to put a finger in my bum,” Elsie said.

“Oh.”

“It… it is nice,” Elsie admitted.

“Isn’t it?” Mom said cheerfully.

“She’s so weird,” Elsie said.

“Ha, isn’t she,” I said.

Mom apparently was committing to fingering Elsie’s ass and rubbing my back while we had sex. It brought me out of solely letting myself be consumed by my sister for the duration, and was quite lovely and reassuring somehow.

“Cum, my babies,” Mom crooned, almost in a lullaby tone. “Cum for each other.”

Elsie made sounds like she was going to protest again, but instead she came on my cock and Mom’s finger. She clung even tighter, including digging her nails in my back a little, then started nipping and licking at my ear, whispering for me to cum in her. I was pretty sure she was trying not to let Mom hear her and make it just for me.

It worked. Mom and Elsie both urging me to cum in my sister’s pussy had the intended effect. It wasn’t the sort of thing I had any interest in fighting.

The last of my horniness and energy for the day flooded into my big sister, filling her pussy with cum again.

“There,” I said. “All bred.”

“Hehe, silly,” Elsie said.

She kissed me though and looked very pleased with herself.

I fell asleep not long after, all tuckered out from my day. Mom and Elsie slept beside me. Elsie was close enough for some small contact and pretty much stayed that way, but Mom firmly curled herself up with me and pressed the whole length of her body against mine, including her breasts pillowed against my chest and her head nuzzling mine.

****

I woke up to find Mom already out of bed. Elsie was still softly snoring next to me.

I sat up, and in doing so disturbed the covers enough to reveal my sister’s breasts. I sighed and stared at them a moment, already missing the freedom of my birthday. It seemed wrong to try feeling her up, even though I very much wanted a few last caresses. It was going to be a difficult readjustment even after just one day of sexual bliss.

I dressed loosely in boxers and t-shirt, then padded off to breakfast. I gave Elsie a last, lingering look, but had to tear myself away. No sex for me with my family today, or indeed for quite a while. Alas.

“Morning, Mom,” I said, finding her in the kitchen just as I had supposed.

“Morning, babyboy,” she said. “How’d you sleep?”

“Pretty good,” I said. “It was rough waking up though. Elsie was still in bed, and it was hard to just leave her there. She….” I stopped short. Mom wore her usual morning robe, but rather unusually also had her Mommy collar on. “Mom? What’s with the collar?”

Mom bit her lip. “Well… you seem to like it.”

“I really like it,” I said. “But it’s confusing since it’s not my birthday anymore.”

“About that.” Mom took a deep breath. “It’s such a long time to wait a whole year again, don’t you think?”

My heart pounded excitedly, though I remained cautious since I didn’t know for sure what she was getting at. “I fully concur.”

“And… well, I have to be honest, baby. I don’t think I have it in me to wait that long again.”

“Mom!”

She wiggled shyly. “I know it doesn’t make me a very good mommy, but–“

I stepped forward, gently looping a single finger through the ring on Mom’s collar, tugging her in for a kiss. My instinct paid off immediately. She kissed me back firmly and needily without the slightest hesitation.

“You’re a very good mommy,” I insisted.

“Even if… I kind of want to have a lot more sex with my baby boy?”

“Especially then.”

“And you’re not just saying that because you’re horny?” Mom teased.

“Well… it isn’t not because of that,” I said.

I slipped Mom’s robe open and found her fully nude underneath. She smiled hopefully at me and shrugged her shoulders back to let the garment slink to the floor. She was so gorgeous, and the collar leant her that decadently slutty air that I’d been afraid I would miss out on for a while. No missing out for me, it seemed.

I reverently cupped one of Mom’s breasts, sighing happily to have it in my palm.

“The best mommy,” I said, mildly correcting my previous statement.

“So… you’d maybe want to have more sex?” Mom asked, trembling faintly under my touch.

“Unf. Every day, ideally,” I said. “More than once, if possible.”

“Mmm, I was hoping so.”

“Was it not obvious?”

“It was, I suppose,” Mom said, letting her lids fall half-closed as I tenderly brushed her cheek with my fingers. “But then again, assuming and knowing are two different things.”

I kissed my mother again, engaging a nimble, adoring dance between our tongues. “Consider it known,” I breathed.

“Ok,” Mom said.

I pressed her back against the wall, kissing and feeling her up. She made out with me in return, urging me to her and clinging to me with unrestrained desire. She tore off my few clothes, nearly ripping them in her haste. She wanted me naked and excited and pinning her to the wall.

I only took a small, panting moment to pause when I needed to catch my breath. Mom could out-kiss me pretty comfortably, as it turned out. She gave me my break, but watched me with lustful, aroused eyes as she waited for more.

“Elsie’s gonna be annoyed,” I laughed softly.

“Why would you think that?” Mom asked, moving in to nip at my ear.

“Because… because we’re not stopping from yesterday.”

“And?”

“And… she won’t like that.”

Mom regarded me thoughtfully. “Are you not going to have sex with her anymore then?”

“Mom! She doesn’t want that,” I said.

“Baby….”

“She doesn’t! That was just for my birthday. That was all.”

Mom sighed. “You can be a little painfully slow on the uptake at times, did you know?”

“But she… she doesn’t,” I said. “If I asked for more today she’d….”

“She’d what?” Mom asked lightly.

“I don’t know. Say no, I suppose. And probably mock me.”

“Well… she might do the latter. Just a bit. But I can’t imagine her saying no, babyboy. A girl like that doesn’t let her little brother cum in her pussy repeatedly for no reason.”

“It was my birthday,” I protested weakly.

“Uh huh. You know your sister as well as I do. You really think there’s any power on Earth that would make her do all that stuff yesterday if she didn’t want to? Birthday or not?”

“Well… not when you put it that way,” I said. “You’re sure?”

“Very,” Mom said. She kissed me again. “You should… go wake her up, I think.”

I whimpered, torn between the naked sister back in bed, and the seductively horny mommy right in front of me.

“You think?” I asked.

Mom nodded. “You should make sure she knows how you feel.” She glanced down at my cock insistently poking her tummy. “I feel pretty confident that I already know.”

“I love you,” I said.

“I know, baby. Go make sure your sister knows it too.”

“You wouldn’t rather have sex first?” I asked curiously.

“Unf, don’t tempt me. But I really don’t have time for that before work. I even knew this whole ploy was pushing it and now I’m going to be horny all day.” Mom sighed. “But it was better than having my thoughts going in circles all day wondering how you felt.”

I gasped. “You thought I wouldn’t want this every chance I got?”

“Well I had to find out, didn’t I?”

Mom gave me a final kiss, really lingering on it and sucking on my tongue, then pushed me away and smacked my butt. “Seriously, Elsie needs to get up anyway. Go wake your sister up.”

I gave Mom another appreciative once over with my eyes, then darted away. I was excited all over again at another new prospect. I wondered if I should have just played with Elsie until she woke up before, but I still kind of felt like it was better knowing what I knew now.

Elsie lay exactly where I’d left her. I tried to sneak back into bed with her, but bounced around in my excitement while crawling back in. Her breathing didn’t change.

I kissed Elsie, just softly, assuming that might wake her up. It didn’t. So I kissed her again and brushed my hand over her boobs. I loved the chance to feel her again like this, earlier restraint be damned.

She still didn’t stir, so I let my hand explore downward, even making it to her pussy before one of her eyelids finally cracked open.

“Are you really just going to keep doing whatever you want to me?” Elsie asked, no trace of venom in her tone.

“I thought I might,” I said. “You weren’t waking up very easily.”

I ran my finger up and down her slit. She was getting wet to my touch.

“As is my prerogative,” she said.

“Sure.”

“It doesn’t mean I want your hands all over me,” Elsie said.

“Oh. I guess kind of true. But, uh, do you though? Want my hands all over you, I mean?”

Elsie hesitated. “Maybe a little.”

“Oh good.”

“It’s not your birthday anymore. You know that, don’t you?”

I nodded. “I was worried about that at first. I thought there was no way you’d still want to have sex again today. Or other stuff.”

“And yet here you are rubbing my pussy,” Elsie said.

“Yeah!” I said brightly. “Neat, huh?”

Elsie narrowed her eyes. “Least you could do is lick it, if you’re going to be so incorrigible about it anyway.”

I grinned, kissed her cheek, and slipped under the covers. “Done and done!”

Elsie moaned as I kissed her cooch, then started licking her. Her legs spread of their own accord as I ate her out, and her hand found my head, gently petting me as I worked.

“I could… perhaps… be convinced to keep messing around,” Elsie admitted. “It has its upsides.”

“Mmhm!”

“This… this is nice,” she said.

“Mmm.”

“Might even be worth having my brother pestering me first thing in the morning,” she mused.

I smiled to myself under the covers while flicking my tongue around her clit. Elsie wanted this. For her, this was about as direct an admission as I was likely to get. It warmed me inside to know she didn’t want to stop having sex any more than I did.

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