“So that day, when we walked the lake and you refused to tell me what you were wanking over…” she began to ask before Jeff cut her off.
“It was you,” he said glowing red in an embarrassed vulnerability.
Katy blushed outwardly and gushed inwardly at the revelation that her brother had been featuring her in his mind and at the confirmation that her wayward horny thoughts at the cabin were dead-on after all.
“Oh my god, I fucking knew it! Somehow I just knew it!” she gave him a jab in the arm before turning red in the face again. “While we’re on about confessions, I may have gotten myself off listening to you that time.”
Jeff laughed at her timid admittance and replied, “Yeah, looking back at everything, I guess that’s not really a surprise for either of us!”
Katy paused, her curiosity over this secret trove of dirty stories now blossoming in her mind, coughed nervously, then shot her big eyes up at her brother and asked him a question.
“Um… can I see one? One of your stories I mean?”
“You can if you want,” he stopped for a moment as if thinking. “But they’re a bit dirty, and with the day you’ve had… only if you’re sure.” His eyes were cautious, much like their father’s famous “look”.
Katy cracked half a grin and met his cautionary gaze. “I think the ship sailed on dirty a long time ago! Besides, I think a dirty distraction may very well be in order… Now, come on! Let me see!”
Jeff grinned and pulled his phone from his pocket and navigated to a hidden folder and handed it to her.
“No making fun!” he quipped at her as she took the phone from his hand.
Katy settled herself into the sofa laying back against her brother’s chest and drew up her legging-clad lower limbs and leaned her knees against his leg. She scrolled up and down and found there to be about a dozen files of his secret stories. She smirked in a sense of self-congratulations and at the heat of the thought that Jeff had been pining for her even longer than she had for him. With what she had learned about his kinks and creativity since the cabin, Katy could almost picture him in her mind typing away the stories, getting hard as the lurid ideas popped into his head. Of all the things that Jeff inherited from their father, his creative streak was one thing that certainly came from their estranged mother.
“Which one is the story where you knock me up?” she practically whispered.
Jeff’s finger reached across the screen and tapped open the appropriate file. The television show in the background and everything else around her dimmed to a murmur in her senses as she started to read.
The base premise of the tale was a brother and sister who’s curiosity gradually got the better of them and they started experimenting with each other in secret. After a little build-up, they caved in to fucking each other, sneaking around and enjoying the taboo thrill to its utmost. Each tryst between the two became more intense and risky. Much like the two actual siblings, the characters had a mix of both dirty and endearing encounters.
She read how her brother described the girl in the story and how painstakingly obvious it was that he was describing Katy herself. The way he described her features, the clothes she wore, even the phrases that the character said were blatant hints that his own sister was foremost in his mind. The words he used to describe how her curves made him “hungry for something he knew he shouldn’t have,” made her fidget in her seat and turned on the faucet of arousal between her legs. It was obvious that both Jeff and the brother in the story craved his sister very deeply and struggled over the undeniably powerful, but morally questionable nature of their respective longing. Katy herself moaned out loud reading about the brother describing his reaction to seeing his sister as something that “took his breath away and made him want to tie her up and ravage her all at the same time”.
After some more reading, she arrived at the point in the narrative that seemed to be building up to the moment of conception. In the story, the brother sneaked into bed with his sister late at night and had her from behind in much the same way that their own first experience played out. She read the way he detailed both the sensations and emotions and it struck a chord to how she felt when she was with Jeff. Katy felt warmth start to flow through her veins. She felt the crotch of her leggings begin to dampen while the scene played itself out in her mind. The story went on to describe how the brother keeps at his sister while pregnant, and confesses that he is insanely aroused by his sister’s body as she begins to show her bump.
There was still some remaining to read, but Katy reached over and grabbed her brother’s arm and brought it across her waist. She nestled her back into his chest and guided his hand inside the waistband of her leggings and toward the sopping wetness that was hiding beneath them. He moaned over her shoulder as Katy pushed his fingers to where she wanted them.
She paused to whisper out, “Start slowly… still reading.”
She practically purred while feeling Jeff’s fingers between her legs. She shifted her hips and felt her wetness seeping out steadily in response to his touch.
“Did you write this before or after that night?” She asked, still looking at his phone.
“Before, if you can believe it.” He paused and focussed his attention between Katy’s legs before finishing his thought. “That’s partly why I found the whole situation irresistible, sneaking back into the sleeping bag with you, having you like that…” his voice trailed off as Katy let slip a sultry moan.
Katy read on how her brother continued to describe the pregnant sister in the story with an unabashed sense of pure lust and uncontrollable desire. She arrived at a scene in which the brother had his expecting sister bent over the table, breasts against the top, with her pregnant belly swaying with each thrust he gave her. She couldn’t help but picture herself in the coming months with Jeff behind her doing the same.
Katy kept her eyes on the phone but grabbed Jeff’s arm. “Faster…” she cooed.
Her brother complied, and slipped his finger down Katy’s slit and gently probed her hole then bringing it up between her slick lips to rest just at her hood.
“Does this turn you on?” Katy began. “Fingering your pregnant sister while she reads the dirty story you wrote about knocking her up?”
Jeff’s other hand came up around her and groped her breast through her sweater.
“Fuck.. Katy… you have no idea” he breathed out in a low tone.
Katy dropped the phone and leaned her head back onto her brother’s shoulder while his fingers continued their dance between her legs. Her breaths were becoming punctuated and she reached over blindly and desperately and grabbed his cock through his trousers.
“Mmmppf… fuck!” she exclaimed. “Are you going to have me like that? like in your story?”
Jeff groaned when she gripped him, his fingers slipping in circles over her button before beginning to press down. “You’re going to have to pry me off of you…”
Before he was finished speaking Katy thrashed and spasmed against his body. She held her breath for several palpable moments before releasing a series of desperate, gasping exhales. She trembled in ecstasy and grabbed Jeff’s wrist to pull his hand from between her legs and brought his dripping fingers to her mouth.
After catching her breath and regaining her composure, she leaned her head back to the center of his chest. “God this is fucked up,” she laughed as she paused. “But I think I just might enjoy it!”
Her brother cracked a grin but the look in his eyes belied his intent to deal with his own arousal over what had just transpired between them. He leaned over Katy using his body to leverage her onto her back on the seat of the sofa. While he laid her down he lifted off the sweater she was wearing and tossed it aside. Katy saw the look in his eyes, much the same as the night in the cabin and during their meetups since. A shimmering, but dark look of desire filled them.
Katy felt her body reacting to her brother’s sexual presence and again felt the surge of arousal flow through her. She grinned as an idea crept into her mind that would add an extra level of naughtiness to their already forbidden union.
“Sir…” she faux pouted and stuck out her lower lip. “You can’t! I’m carrying my partner’s baby!”
Her brother gripped the waistband of her leggings and pulled them down her hips and off her legs, stopping to sample the bouquet and taste of the wet spot she had left on them.
“You seem to be quite wet for a devoted future mother,” he practically growled at her.
Katy audibly gasped. She had learned to discern when she had her brother completely aroused. His natural soft demeanor and loving voice transformed into something else, something darker and it never failed to excite her. She tried to suppress an ear-to-ear grin that her brother had picked up on her idea seamlessly and was relieved that their imaginations and desires seemed to remain in a dirty lockstep with each other.
She placed his hands on his chest and gave him a push, “You don’t understand, please don’t do this!”
Katy knew that this consensual non-consent play would drive her brother wild. She struggled to remain in character and kept her giddy grin at bay.
Jeff took the leggings and wrapped them around her wrists before cinching them into a knot. He held her arms above her head and over the arm of the sofa while he gently, but firmly nibbled at the soft skin where her neck and shoulder met. Shivers shot up and down Katy’s spine as he breathed words against her skin just under her ear.
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