The a in Dna
Taboo/incest Story

The a in Dna

by Yourdirtylittleissues 17 min read 4.0 (8,400 views)
anal incest lesbian trans erotic
🎧

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Chapter 1

Alex looked down at her phone's time and fidgeted nervously with her bracelet. She never thought she would be this nervous, but here she was. She was actually meeting her birth mother for the first time.

Her birth mother, Katrina, and her Grandmother, Olive.

Alex was 20 and was getting ready to start college. She had taken a couple of years off after high school because she needed to "find herself", which actually meant that she had gone from being Alexander to being Alexandra. Lots of hormone treatments, and a pair of surgeries, and she went from a petite, slight guy to a lovely, slightly busty young woman. She loved how she looked, and her adoptive parents had been very supportive. The only part of her that was still a "guy" was between her legs. She wasn't sure she was ready to give that up yet, and she kind of liked being a girl with a cock. Her now-ex-girlfriend (she preferred girls) had really liked it, and to be honest, she was kinda hung.

She nervously checked her phone again, then double-checked her text messages. Yes, her grandmother had said that she and her mother would meet her after work at this diner. She sighed, adjusted her top -- she had gone super-modest for the first in-person meeting - and stared out the window.

Obsessively she turned back to the phone, flipping over to her social media feeds and pulling up the pictures of her grandmother and mother. Her mom, who was 39, had black hair, and was pretty, and curvy, with a substantial bust, slim waist, and wide-but-not-too-wide hips. Mom definitely went for the hourglass curvy goth chick look, preferring black, and she totally pulled it off. Alex couldn't believe that gorgeous woman was her mother.

And her grandmother, who was 58, looked ten years younger than the number. She had the same busty, curvy shape that Katrina had. Her hair was blonde with just enough gray highlights to look good. She was a workout freak and it kept her looking amazing beyond her years.

The women were both beautiful. When they talked, they seemed kind of more...laid back...than her adopted family had been. Alex had been a little bit sheltered. And Katrina and Olive seemed a lot more...worldly.

Alex rubbed her sweaty palms on her thighs, then gave into her nervousness and dialed her adopted mother.

"Hi dear," Virginia's voice came soothingly across the miles. She was motherly to a fault and had been a great mom. She was an accountant and her adopted father had been a police officer and a retired Marine. They were both rather straight-laced but not in a judgmental way.

"Hi mom," Alex said. "I'm sorry. I'm sitting here in the diner waiting...I think I'm going to die of nervousness."

"No you won't," Virginia said. "You'll be fine. I've talked to Katrina many times, she's a very nice lady."

"But she's so...I don't know..."

"She's more of a free spirit, more bohemian than your father and I. But that's okay. You've lived a sheltered life. This will be a new experience. I bet if you relax and go with it, you'll enjoy it. It will be good for you."

"Famous last words. But what if she's...I don't know...mean or something?"

"She's not mean. But if she is, you just let us know. Your father would have no trouble setting her and your grandmother straight."

Alex had to concede the point. Dad was a force to be reckoned with. She relaxed a little, but just a little.

"Okay, I'll try to be open to this experience."

"Good. We're just a phone call away. And you aren't losing your dad or I, you're just gaining someone else who loves you very much and wants you to be happy."

They wrapped up the conversation, and Alex returned to staring out the window.

She had started hunting for her birth parents when she was in her senior year in high school. When she started her hormone treatments, she also had arranged to have her DNA sequenced. Coincidentally, so had her grandmother, and by the time she was finishing up her transition, she and her mother and grandmother were social media buddies, and talked on the phone at least once a week -- if not more. Unfortunately, Alex discovered, her father had passed a few years before.

Mom and Grandmother lived about a two hour drive away from Alex's birth parents. Katrina was a very active alumni in her university, which was near where they lived. She was able to pull some strings and get Alex a scholarship. Boarding wasn't included, but Olive and Katrina offered to let Alex live with them (both women were widowed, and they shared a large ranch house). Alex was happy to let her birth family help with her schooling -- after all, her adoptive parents had paid for most of her transition and walked through that drama with her.

Alex checked her phone again. They were supposed to be there at 5:30, and it was almost 5:40. What if they didn't come? What if she drove two hours and it didn't work out? What if she hated them once she met them? What if, what if, what if...she was driving herself crazy.

There was no way any of those bad thoughts were going to happen. She had talked to mom and grandmother so many times, and video chatted, that they already knew how they got along. And her mother had repeated so many times how much she regretted giving Alex up.

"I want you to be happy," her mother had said on numerous occasions. "And I will do anything in my power to make that happen. I'm sorry I wasn't there for your childhood, or for your transition, but I can make it up to you now. Anything I can do to make you happy, just say so."

Her grandmother had said the exact same thing, more times than Alex could count.

Alex gulped at the memory and took a sip from the lonely water glass in front of her on the diner table. That, actually, was the one thing that made her a little nervous.

Just what did her mother and grandmother have in mind when they said "anything to make you happy"? Admittedly she was a sheltered child, but sometimes Alex thought she heard undertones that were a little...well...suggestive.

She felt a blush creeping up from her cleavage to her neck and then to her cheeks. Her mother and grandmother were so beautiful. Sometimes Alex had thoughts about them that weren't quite right. Even now she felt her nipples threatening to press through her bra and top, and her cock stirred under her skirt.

She dipped her finger in her ice water and ran it down her neck, then flicked more on her cheek. She felt the blush fade and her meat soften. If her mother and grandmother didn't show up soon, she was going to have a complete meltdown.

She stared out the diner's window, noticing a sleek BMW pull into the lot. It looked familiar. Sure enough, it parked and her grandmother stepped out. She was dressed in a business-like skirt and a white blouse that buttoned up to her neck -- very conservative. Olive was a well-paid attorney, and conservative went with the terrain.

Olive spotted Alex through the window and waved, then walked into the diner. Alex stood and they hugged, probably making too much noise and attracting looks from other diner patrons, then they slipped back into the booth across from each other.

"I'm sorry I'm late," Olive said, pushing a few stray blonde hairs that had escaped her pony tail back from her face and behind an ear. "Your mother will be along shortly too. I was tied up in a meeting, and your mother is meeting with a student's parents." Katrina was a professor at the college where Alex would be going.

"No problem," Alex replied, smiling, trying to take in her grandmother without being too obvious. Olive was even more beautiful in person than she was in her pictures. To think that this was her actual grandmother.

And not only that, her grandmother accepted Alex's transition. That made it even more amazing.

"How was the drive?" Olive asked, as the waitress appeared and dropped a glass of water and a menu in front of her. She casually noted they were waiting for one other person, and the waitress nodded and moved on.

"Uneventful, I made it in just under two hours but it seemed like it took forever. I'm so excited to finally meet you and my mother in person. I've been bouncing off the walls all week!"

"Well, you're here now, and we're together. So you can relax and enjoy. You have a week before freshman orientation to get your bearings. Remember, we want you to be happy, so if there is anything you want, anything at all, just ask."

There it was, the way she said it. A tingle ran up Alex's spine, be she quickly squelched it.

They settled into idle chit-chat, picking up threads from earlier phone and video conversations. The easy comfort and familiarity she had felt with her grandmother returned. Alex felt herself relaxing. This was going to be okay.

Then Olive reached up and unbuttoned the top four buttons on her blouse. She did a deft move where she pulled her arms into her sleeves wiggled them around, and a second later pushed them back out -- then reached in the front of her blouse and pulled out her bra -- tucking it quickly into her purse.

Under her light, white blouse, Olive's big, unleashed mom-tits pressed against the thin fabric. Her wide brown aureoles were clearly visible, and her long nipples poked just below level. The plunging opening at the front of the top revealed brown freckles deep into Olive's cleavage. She was not just beautiful -- she was hot.

Her grandmother giggled as Alex fought back the blush she could feel pushing up from her chest, and the erection she could feel pushing up from her cock. Alex struggled to keep her eyes level with her grandmother's.

"Much better," Olive whispered. "I've been wearing that all day." She paused and frowned. "Wow, where are my manners? We just met in person and there I go showing you my girls. I'll go into the ladies room and put my bra back on."

Olive started to stand, but Alex put a restraining hand on her arm.

"No, it's okay. It just caught me by surprise, that's all. It's fine."

Olive sat back down, and they let the conversation drift back into more familiar, and safer, topics. Alex fought to keep her gaze where it belonged -- on Olive's face -- but still managed little glances elsewhere. She felt like it was wrong to be taking in her grandmother's body when she was looking away. But she was so beautiful, and the way Olive had acted ever since she walked in, it was almost as if she was inviting it.

What the hell?

For the fifth or sixth time she pulled her eyes from her grandmother's chest just in time to avoid getting caught, then Olive looked out the window.

"Ah, your mother's here."

Alex followed her gaze and saw her mother. Her jet black hair was braided behind her back. She was wearing a pair of tight jeans and a black top that clung to her substantial chest, plunging deep enough to show off her cleavage but not deep enough to be inappropriate for work. And Alex noted gratefully that she seemed to be wearing a bra. She hoped she left it on, her grandmother's chest was distracting enough.

When Katrina joined them there was another round of hugs, then she settled in next to Olive across the table from Alex.

The waitress brought a menu for Katrina, and they ordered. The conversation was pleasant, the food was diner food, but good, and the meal was excellent. But still...her grandmother's barely-covered tits were a distraction. And, making matters worse, as we ate, her mom's top seemed to open in front more and more until she could see the frilly edges of her lacy bra.

Alex turned her head and stared out the window. Were they doing this in purpose? Or were they just very open people?

More importantly, why was she finding her grandmother and mother sexually arousing?

Alex's head was spinning and she was trying to keep up with the discussion. It was becoming a challenge. Making it worse was her cock that kept wanting to get hard.

Ugh.

Chapter 2

After they finished eating, Katrina paid the bill (she insisted) and they piled into their cars to caravan to the house. Alex had seen pictures of their home, but never been there. When they pulled into the driveway, she gasped. The pics hadn't done it justice. An acre or so of manicured lawn, and several more of forest, providing privacy. An entertainment center with a huge screen, a massive kitchen, and immense bedrooms. Alex was given her own wing with a bedroom, and office for studying, and a private bathroom. It took her breath away.

Out back was a pool, a hot tub, and a sauna.

Alex took it all in with wide eyes. Her adoptive parents had been great people and had raised her well. She had lived in a nice suburban neighborhood and had a good education. But this...this was insane. Her grandmother's lawyering job must pay really well.

As they stood beside the pool looking over the backyard, her mother wrapped her arm around her shoulder.

"Your grandmother and I want you to be happy," she said into Alex's ear. "I had to give you up when I was young and your grandmother was still in law school. We just didn't have the money for a family. I've regretted it ever since. When you're here, if you see anything you want, or if there's anything Olive or I can do to make you happy, you just speak up. Anything. And I truly mean anything."

Alex noticed that Olive had turned and was watching this exchange. The way her mother said "anything" was sensual and steamy. It sent a chill up her spine. She could feel her mother's breasts pressing against her side as she said this, her breath hot on her neck. Olive stood in front of them and it seemed that her nipples hardened under her blouse as Katrina spoke.

"Anything at all," Olive added for emphasis, absently fingering her cleavage in the gap in her blouse.

The moment was pregnant with unspoken thoughts, ideas that were woven through the conversation but never articulated out loud. Alex felt own nipples pressed hard inside her bra and her cock pushing against the front of her skirt. She was self-conscious, but didn't do anything to cover her budding erection.

She could sense what was being offered, but she wasn't sure she was ready to take it. Was she really ready to...to...to...

To what?

Get busy with her birth mother and grandmother?

No, she had to be misinterpreting this.

But that's not what her mother's breasts against her body said.

This was incest. It was wrong.

But God, at the moment, the idea just seemed so right.

Is this what her adopted mother had meant about Katrina and Olive being more laid back? More "bohemian"?

Not a chance. But still, wouldn't it be an amazing experience?

Alex's hands were sweaty. It would have been easy to lift them and caress her mother's or grandmother's body, feel those big soft mom-tits. She could have turned her head ever so slightly and met her mother's luscious lips with a warm kiss.

Instead...she let the moment pass.

Olive added a final "Anything, anytime," then shrugged. "Who's up for a sit in the sauna and a dip in the pool? Showers first!"

Alex carried her bags to her bedroom. She was so horny and distracted she just wanted to have a masturbation session, then take a cold shower and go to bed. How much longer could she hold out before she just gave in and fucked her grandmother and mother? This was insane. Maybe she should just pile all her shit back in her car and go back to her adoptive parents.

Ugh. But her mother was so beautiful. Her grandmother too. Imagine a deep soul kiss with her grandmother, then licking and tasting those big mammaries, sucking on their nipples, running her tongue down between her legs where unimaginable and forbidden pleasures would await.

Maybe she should just give in...

She dumped a couple of her suitcases out onto the bed and started digging through her stuff. She pulled out a black leather case and peeked inside. They were all there. Her toys. Her dark secret, fastidiously kept from her adoptive parents. For the first time she had to admit that part of her reluctance in responding to her mother and grandmother was she was afraid they would reject her if they knew what kind of a girl she was.

In addition to being the kind of girl who had a big cock and who liked other girls -- which Olive and Katrina knew - Alex also liked big things up her ass -- which they didn't know.

What would Katrina or Olive say if they saw Alex's gaping, wrecked, shredded asshole that tended to hang open on its own? Would they love or hate that she could effortlessly push out big, meaty mounds of pink assflesh that hung out almost six inches outside her ass? What would they say to that? Would they be horrified if they saw her demolished anus that looked more like scarred labia than a proper sphincter? Would they be disgusted if they knew she could take an entire fist, wrist, and more, up there without even flinching?

Alex was a lesbian cockgirl and a massive butt slut. Could her mother and grandmother accept that? And was she ready to be an incestuous lesbian cockgirl butt slut?

She thought of how beautiful her mother looked, how gorgeous her grandmother looked.

She sighed.

They had accepted everything about her up to that point. She realized she was ready to be their lover, she just needed to get assurance of this one final thing. That they could truly accept her as she was -- demolished asshole and all. Once she got that, she knew it would be okay.

She dug through her clothes and found a bikini top that threatened to become invisible at the sight of water, and then found a thong bottom. It definitely would show off her big, nearly-a-foot-when-hard meat stick. No hiding an erection in that thing. And no hiding her destroyed asshole either. The cord couldn't even come close to covering that yawning, wrecked hole that was her anus.

She went into the bathroom. She got herself all clean inside, then ducked into the shower, turned it on cold, and let the frigid water soften her cock and loosen her hard nipples. She washed her hair and body, toweled dry, pulled on the string bikini top and thong, then admired herself in the mirror. She looked amazing. She was beautiful. Not as beautiful as her mother and grandmother, but still beautiful.

There was no way her grandmother and mother would reject her just because she was an incorrigible butt slut, right?

Right? Still doubts lingered. She had to know. And she had to know soon or she felt like she would die from horniness.

Chapter 3

Alex wrapped a towel around her waist, gave herself one last check in the mirror, then wandered out to the pool area. Her grandmother and mother were already waiting outside the sauna, clad in towels wrapped around their waists -- and nothing else. Her mother's and grandmother's big mom tits were on full display, their wide brown aureoles still glistening from the shower, their hair damp and stringy and sexy. It was all Alex could do to keep from kissing them and diving into those amazing breasts. But she stilled her nerves.

Reaching behind her neck, she undid the tie on her own bikini bra and tossed it to side, letting her own young, firm, but substantial tits slip free. She could feel her nipples harden and poke skyward, but she didn't care. If her mother and grandmother wanted to play games, so could she. She gestured to the sauna.

"Shall we?" she asked. Out of the corner of her eye she caught her mother and grandmother take in her breasts for just a moment, then they slipped into the hot sauna.

Katrina dipped a ladel in a bucket of water and poured it over the hot rocks to make steam. Then she pulled off her towel, laid it on a bench, and sat down. Out of the corner of her eye, Alex could see a narrow landing strip that disappeared between her mother's thighs, but the angle was such she couldn't get a clear view of her mother's snatch without being obvious. It was the same with her grandmother, who sat sideways on a bench then laid back, partially reclining. It made her big, pendulous mom tits splay slightly to the side. Alex stifled a gasp. All she wanted right then was to die in her grandmother's arms, sucking on her beautiful breasts. God she was amazing.

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