Mom's Special Birthday Present  - Cover

Mom's Special Birthday Present

Copyright© 2025 by Aramis

Chapter 1

Incest Sex Story: Chapter 1 - Mom and son share a birthday, and this year she has a very special present for the both of them.

Caution: This Incest Sex Story contains strong sexual content, including mt/Fa   Consensual   Heterosexual   Fiction   Incest   Mother   Son   Oral Sex   Big Breasts  

(Author’s note: this is a work of fiction. Any resemblance to any person(s) living or dead is purely coincidental. All characters depicted in sexual situations in this story are at least 16 years of age. This work is copyrighted and may not be distributed in any way by any person(s) without the express written consent of the author.)

“Oh, my God, this is perfect! Absolutely perfect!” Gail exclaimed as she stood out on the balcony of Room 2226 at ‘The Windjammer’ hotel, leaning on the railing with her hands spread far apart, the ocean breeze blowing her black hair around her face.

“It’s beautiful, Mom,” Gail’s 17-year-old son, Randy, said from behind her. “I totally get why this is your favorite place in the whole world,” he continued, standing next to her at the railing and looking out over the beachfront below. “I love it here, too,” he said.

“You just love it here because there’s plenty of women running around in bikinis for you to drool over!” she said, looking over at him and grinning.

“Yeah, well, there’s that, too,” Randy replied, returning her grin. They looked out over the beachfront in silence for a minute or so, then Randy spoke again.

“I’m glad you picked coming here for our birthdays, Mom,” he said. He knew that things weren’t going all that well between his parents, and from what he could tell it was mostly his father’s fault. When he announced at dinner two weeks ago that he had to go away on a business trip and would be gone for both his mom’s 40th birthday and his 17th birthday, Randy thought his mom was going to cry right there at the dinner table. By pure chance Gail had given birth to Randy on her own birthday, so they had always made a special day out of June 19th, the day they were both born.

After his father’s announcement she had been noticeably upset for the next week, and when she decided that she was going to go to the beach for their special birthday her mood changed dramatically. He jumped at the chance when she asked him to come with her, not hesitating for even a fraction of a second. June 19th came on a Saturday this year, so that meant they would be at the beach for the entire weekend. Gail planned on them leaving Friday afternoon to get to the hotel at check-in time, which would give them a little time to hit the beach before dinner.

“Are you absolutely sure you don’t mind the single room and the single bed?” Gail said, turning to look at him. “I told them I wanted two rooms, one for each of us, but there’s a beach music festival in town and all they had left was this one room with just the one king-size bed in it,” she said, telling him what he already knew.

“It’s okay, Mom, really,” Randy said, smiling at her as he replied. “Like I said before, it’s no big deal. I don’t sleep in the nude and I’m pretty sure you don’t either, and there’s plenty of room in the bed, so I don’t see any problem,” he said, meaning it. “Besides, it’s not like you’re going to come over to my side of the bed and seduce me in the middle of the night, you know!” he said jokingly, laughing as he spoke.

“Right!” Gail replied, laughing along with him.

If you only knew... ‘ she thought to herself as she looked back out over the oceanfront.

Randy had no way of knowing it, but seducing him had been her plan all along. There was a beach music festival in town, that much was true, but the rest of what she had told him about not being able to get two rooms was a lie. She intended for them to not only stay in the same room but to sleep in the same bed as well, because she had decided that she was going to give both her son and herself a very special birthday present this year.

She was going to be his birthday present, and he didn’t know it yet but he was going to be hers.

Gail had been sexually attracted to her son for the better part of a year, her attraction to him growing with each passing month. She knew it was wrong and she shouldn’t feel this way about her own son, but she just couldn’t help it. The fact that her husband had totally ignored her sexual needs for the past two years didn’t help any, either. She had no idea what was going on or what had happened to cause him to lose interest in having sex with her, but he had. And now, two years later, she was desperate for a man’s touch.

And she wanted that man to be her son, Randy. That desire was intensified two months ago when she went into his room to wake him up for school and saw him in bed, lying on his back, still sound asleep. He was covered only by a thin cotton sheet from the waist down, and she gasped when she saw the size of his cock. He had a case of ‘morning wood,’ and the outline of his hard cock was clearly visible under the thin cotton sheet. His cock was huge, at least seven inches long, and very thick. It took all of her willpower not to reach down and grab it, but she resisted the urge. Instead of waking him up she went back into her bedroom and into the bathroom, sitting down on the toilet and masturbating frantically to an earth-shattering orgasm.

Ever since then she’d been determined to seduce her son, and her useless husband going away was her chance.

She put her carefully conceived plan into action as soon as they got to the hotel. She wanted to get there in time enough for them to hit the beach before dinner, as she had bought a new bikini just for the occasion. It was a royal blue string bikini, the cups just barely big enough to hold in her huge breasts. Standing a mere 5’3” tall Gail’s measurements were 44-25-35, and she wore a custom-made size 30K bra. Her tits were full and firm, a little longer than they were round, standing out from her chest like twin torpedoes. They were capped with dark saucer-sized areolas with a big, pert nipple the size of a pencil eraser in the center of each. Her big breasts, large, dark areola and big nipples were the results of her pregnancy with Randy, and she was secretly elated when her breasts didn’t deflate after giving birth like most women’s did. Her tits had always been very big, but once she got pregnant they ballooned up to their current size, cementing their place in the ‘huge’ category.

Now, standing in the bathroom and looking at her reflection in the mirror over the sink, Gail felt her heart pounding at the thought of her son seeing her in the new bikini for the first time. She took a deep breath and then opened the door, stepping out to put her plan in motion.

When his mom walked out of the bathroom wearing her new bikini, Randy just about fainted at the sight. He knew his mom had some really big boobs, but he had no idea just how big they were. And while she had a little bit of fullness to her body, something to be expected of a mother turning 40, she was still curvy and rounded in all the right places.

“Holy crap, Mom, you think that bikini’s small enough?” Randy asked, trying not to stare at her huge tits and losing.

“You don’t like it?” she said, giving him a fake pout as she stood in the middle of the room, hands on her hips, one knee cocked in front of her. “I think it looks really good on me,” she said, turning around so he could see all of her, stopping when she was facing him again. “Don’t you think it looks good on me?” she asked, baiting him.

“Well, yeah, it looks good – really good, actually – but, well, it is kinda small, especially for a...” he stopped, not finishing what he was going to say. Gail did it for him.

“For a woman my age, you mean,” she said, smiling at him. “That’s okay, honey, I don’t mind. Like the old saying goes, ‘you’re as young as you feel,’ and right now I feel like I’m 18 years old again!” she said, grinning at him. “Besides, I like showing off my big boobs. Not every woman has a set of boobs like this, and I’m proud of them. I love having big boobs, so why shouldn’t I show them off?” she said, cupping her big breasts in her hands and bouncing them a couple of times, grinning from ear to ear. Randy felt his cock shifting in his shorts at the sight of this, the beginnings of an erection that he knew was coming and was powerless to stop.

“You were pretty fond of them at one time too, as I recall,” she said, her heart pounding in her chest as she took a chance just to see how he’d react. “When you were a baby I always had to pry you away from them, and you always fought me. You just never wanted to stop sucking on them!” she said, grinning at him, still holding her huge tits up in her hands.

“Jeez, Mom, I was a baby! It’s not like ... well, I mean...” Randy stammered, not sure of what to say next. His cock was growing in his shorts, getting bigger by the moment, and he sat down on the bed to hide it before it tented out the front of his shorts. He had no way of knowing it, but Gail had already noticed, secretly elated that she was giving him an erection.

He wants me, too! I just know he does, and that boner is proof!’ she thought to herself, grinning down at him. ’So do I fuck him now, or tease him a little more just to make sure he can’t resist me when I do fuck him?’ she thought to herself, finally deciding to tease him a little more. She let her boobs drop and turned to pick up her short beach robe, slipping into it as she spoke.

“So are we going to the beach or not?” she asked, her huge tits swaying inside her bikini top as she slipped her arms into the sleeves of the short robe.

“Yeah – uh, yeah, we are,” Randy said, distracted by her huge swaying tits.

“Then don’t you think you should go get changed into your bathing suit?” she asked, grinning at him as she closed the robe and tied the sash, her dimples showing.

“Oh, yeah ... yeah, I guess so,” Randy said, hesitant to stand up and let her see his erection. Gail knew why he was hesitating, so she deliberately walked past him to get the rest of her beach gear together. Randy quickly got up from the bed, grabbing his bathing suit out of his bag, then went into the bathroom to change. Gail laughed softly to herself, looking up towards the bathroom as she did.

“Oh, if you only knew what I have planned for you!” she said to herself, a big smile on her face.

The rest of the afternoon went pretty much as she had planned. She took every opportunity to tease him, taking her time when applying suntan lotion to her body and going especially slow when she applied it to her breasts. Of course she was the center of attention of every man on the beach, but the only man she cared about was her son. They spent about two hours on the beach, and by the time they went back to the hotel room she could tell that her plan was working – her son had been hiding an erection for most of the afternoon, and she smiled to herself as she was in the shower washing off the suntan lotion, sweat, and sand from the beach. When she was finished she stepped out of the shower and dried herself off, wrapping her wet hair in a towel and then wrapping another one around her body, tucking the end in to keep it in place.

“Time for Phase Two,” she said to her reflection in the mirror, a smile on her face. Then she turned and walked out into the room, the steam and hot air flooding out of the bathroom as she did.

“Your turn!” she said, smiling at her son as he sat on the bed, texting someone on his cell phone.

Probably his girlfriend, poor thing,’ Gail thought to herself as she opened her bag and took out a bottle of skin lotion. ’By the time I’m done with him, he’s not going to be thinking of any woman except me!’ she thought, a grin on her face as she turned towards him as he sat on the bed.

Randy was a little surprised to see his mom come out of the shower wrapped up in nothing but a towel. The towel was big enough to wrap around her, but just barely due to the size of her huge tits. And it was so short that it barely covered the cheeks of her ass, and when she leaned over to get something out of her bag he got a glimpse of the bottoms of the cheeks of her ass. The angle prevented him from seeing her pussy, but just the brief glimpse of the bottoms of her ass cheeks was enough to make his cock start growing again. When she turned around to face him he saw that she was holding a bottle of skin lotion, a big smile on her face.

“Well, if you’re not going to take a shower right away, then you can help me with this,” she said, smiling at him as she held up the bottle of lotion. “Even with the suntan lotion the sun dries out my skin, and this will help,” she said, walking over and standing in front of him as he sat on the bed. His face was just about eye level with her huge chest, and it was all he could do to keep from staring as she stood in front of him.

“Here,” Gail said, handing the bottle to him and then turning around to face away from him. “Start with my shoulders, please,” she said, looking over her shoulder at him. Randy squirted some of the lotion into the palm of his hand and then put the bottle down on the bed next to him, reaching up to rub the lotion onto his mom’s shoulders. She was short, so the reach wasn’t too bad for him.

“Mmmmmm, that feels good,” Gail said, closing her eyes and smiling. She had longed for his touch for so long that her body reacted immediately, her nipples getting hard at his touch and the first traces of moisture beginning in her pussy as well. When he had covered her shoulders she pulled the towel loose and let it droop down, revealing the top part of her back to him.

“The back, too, please,” she said, smiling. Randy squirted some lotion on the palm of his hand and began rubbing it into her back, his cock growing in his bathing suit as he did.

Damn, her skin is so soft, and it feels so good!’ he thought to himself as he rubbed the lotion onto his mom’s back. When he had covered as much of her back as he could she turned around to face him, holding the towel closed in front of her, a smile on her face as she brought her tits around right in front of his face.

“Now do the front of my shoulders, please,” she said, her dimples showing as she smiled, holding her hands in front of her to hold the towel closed. Randy always thought she had the cutest face, and today was no exception. He did as she asked, squirting some lotion into the palm of his hand again and then rubbing it in, being careful to avoid touching or bumping into her huge tits as he did. Gail looked at him and smiled as he rubbed the lotion in, her heart pounding in her chest at what she was about to do.

When he was finished with her shoulders she lowered her hands, taking the towel down with them and revealing her naked breasts to him. Randy’s eyes almost popped out of his head at the sight of his mom’s huge, naked tits right in front of his face, his mouth falling open.

“Now do these, please,” she said, her voice low and breathless.

“Whoa! Mom, what ... what are you doing?” Randy stammered, trying not to stare at her huge tits and their hard nipples right in front of him. He felt his cock jump in his suit, well on the way to a full-blown erection.

“I’m waiting for you to rub the lotion on my breasts, that’s what I’m doing,” she said, smiling sweetly at him as he stared at her tits.

“But Mom, I can’t ... I mean, I shouldn’t...” he stammered, unable to take his eyes from the huge breasts with the big areolas and hard nipples right in front of his face. He had long wondered what his mom’s tits looked like, and now here they were, right in front of him, naked, and he didn’t know how to handle it or what to do.

“Yes, you can, and yes, you should,” she said, her voice soft. “I want you to, son, so just do it,” she said, urging him on. Randy looked up at her, the uncertainty showing in his eyes as he spoke.

“Are you sure about this, Mom?” he asked.

“Yes, honey, I’m sure,” she replied, smiling and nodding at him. “I’m very sure, so please continue.”

“O-kay, I guess,” Randy said, looking down at her tits again. He squirted more lotion onto the palm of his hand, then put the bottle down to rub his hand together. Then he reached up, hesitating, his hands inches away from her naked breasts, and looked up into her eyes. Gail smiled and nodded, then Randy put his hands on her tits and began rubbing the lotion on them, running his hand over and around the huge mounds of breastflesh.

Randy was amazed at how heavy and full his mom’s breasts were. He put his hands under them and lifted them up, feeling their great weight in his hands. Then he slid his hands up and over her nipples, making her moan as he did. His cock immediately begin to respond inside his bathing suit, getting bigger and harder by the moment.

“Oh, honey, that feels so good!” she sighed, her eyes closed and her head slightly back, a smile on her face. “Squeeze them, honey, squeeze them, please,” she sighed, opening her eyes and looking down at him. Randy did as she asked, squeezing her huge tits in his hand and making his cock grow even more.

“Harder, please,” she said. Randy squeezed harder, eliciting another moan from her when he did.

“Oh, my God, you have no idea how good that feels!” she said, closing her eyes again and smiling as her son squeezed and massaged her huge breasts, all thoughts of spreading lotion on them long gone by now. “It’s been so long since I’ve had a man touch me, you just have no idea how good it feels!” she said, opening her eyes and looking down at him as he gripped her tits in his hands.

“Do you like feeling my big tits in your hands, honey?” she asked, her voice soft and low.

“Yes, I do,” he replied, looking up at her for a moment before dropping his eyes back down to her massive tits in his hands. “I like it a lot!” he said, a smile finally coming across his face. He had a full-blown erection by now, his cock rock-hard and throbbing inside his suit.

“I knew you would,” she said, her smile getting bigger. “I’ve wanted to feel your hands on me for so long, honey, you have no idea,” she said, taking a chance and revealing her feelings to him.

“You have?” Randy asked, his eyebrows going up in surprise as he looked up at her, still squeezing her tits in his hands.

“Yes, honey, I have,” Gail replied, looking him in the eyes. “I’ve wanted this – I’ve wanted you – for a long time now, more than a year,” she said, a little breathlessly. Her nipples were rock hard by now, and her pussy was getting wet as well. “And I know you’ve wanted me, too, haven’t you?” she said, her voice a whisper as she looked down at him. He looked back at her, hesitating.

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