"You're not going to believe what happened to me at work today," Becky exclaimed as she barged into their shared apartment, tossing her bag onto the couch. Nate looked up from his laptop, his eyes scanning over the mess of wires and takeout containers that littered the coffee table.

"What's up?" he asked, his voice a blend of curiosity and mild annoyance at the clutter.

Becky plopped down next to him, her red hair cascading over her shoulders. "Remember that guy, what's his name, from accounting? The one with the mole on his cheek?"

Nate nodded absently, his eyes still glued to the screen. "Yeah, Tim. What about him?"

"So, I was in the break room, and he actually asked me out!" Becky said, her voice rising in pitch with excitement. "Can you believe it? He's so not my type, but it's been forever since anyone's shown interest. What should I do?"

Nate leaned back, his eyes finally leaving the laptop to focus on Becky. He felt a strange mix of emotions—part annoyance at the mess she'd brought in, part excitement for his sister's social life, and part... something else. Something he didn't quite recognize. "Well, Beck," he said, trying to keep his voice light, "you should do what feels right for you. You know, I've always been here to help you out with these things."

Becky rolled her eyes playfully. "Yeah, like the time you convinced me to go on that date with that guy who talked about his ex the whole night?"

Nate chuckled. "Okay, okay, I get it. But I do have your best interests at heart." He paused for a moment, his gaze lingering on her before looking away. "But seriously, just go out with him. It might be fun. You never know, right?"

Becky nodded thoughtfully. "Yeah, I guess you're right. I'll think about it." She stood up, stretching her legs. "I'm gonna hit the shower. Whew, work was a grind today."

Nate nodded, his mind racing with thoughts he didn't dare voice. As the sound of the shower echoed through the apartment, he found himself drawn to Becky's bedroom. He had always been curious about her somnolent state, her beauty magnified by the peacefulness of sleep. It was a kink he had discovered in his teens, a secret desire that had never left him—somnophilia, the arousal from watching or engaging with a sleeping person.

After he heard the shower turn off and her room be silent for a while, he tiptoed into her room, his heart pounding in his chest. The curtains were drawn, allowing only a sliver of moonlight to peek through, casting a soft glow on Becky's face. She lay on her side, the blankets barely covering her curves. He felt the heat of his own breath as he approached her bed, his body tense with anticipation. For years, he had watched her from the shadows of the night, his eyes tracing the delicate lines of her features, her full lips slightly parted as she breathed in and out.

Tonight, however, was different. The conversation about Tim had stirred something within him, a primal need to claim what he felt was his. Nate's hand hovered over Becky's bare shoulder, the urge to touch her overwhelming. He knew it was wrong, but the desire was too strong to resist. He gently caressed her skin, feeling the warmth radiating from her body. She stirred slightly but didn't wake.

Emboldened, he slid the blanket down further, revealing her naked form. Her breasts were firm and round, the nipples erect from the cool air of the room. He couldn't help but stare, his eyes devouring every inch of her. He felt his pants tighten as his erection grew. This was wrong, he told himself, but his body was in control now. He leaned closer, his breath mingling with hers. He could feel her heart beating in rhythm with his own.

Nate's hand slid down to her waist, then lower. His fingers grazed the soft skin of her inner thigh, causing a shiver to run through her body. Becky's eyes remained closed, lost in the depths of sleep. He continued, his touch becoming more deliberate as he reached the apex of her thighs. He found her wet and ready, a discovery that sent a jolt of excitement through him. He didn't know if it was because of his touch or a dream she was having, but he didn't care.

Her pussy was a sight to behold, even in the moonlit shadows—a perfect blend of pink and soft, with a faint scent that was uniquely Becky. Her folds were neatly tucked away, but the wetness that coated them spoke of a secret garden waiting to be explored. Her clit was a tiny pearl nestled at the top, already swollen with arousal. Nate's cock throbbed at the sight, the urge to taste her overwhelming his senses.

With a gentle touch, he spread Becky's legs apart, his eyes drinking in the sight before him. He leaned in closer, his nose just an inch away from her warm, wet center. He inhaled deeply, the scent of her arousal filling his nostrils. It was intoxicating, a blend of musk and sweetness that made his knees weak. It was a scent that was as much a part of Becky as her laugh or the way she'd bite her lip when she was thinking hard.

Nate's hand moved to his own waist, his fingers trembling as they grazed the bulge in his boxer shorts. His cock was like a steel rod, straining against the fabric. The pressure was intense, a silent demand that he couldn't ignore. He pulled his boxers down, his erection springing free. The coolness of the room air was a stark contrast to the heat that pulsed through his veins, but it did nothing to diminish his desire. Instead, it served to heighten the anticipation, making his skin prickle with goosebumps.

He positioned himself between Becky's legs, his cock pointing at her like a compass needle drawn to the magnetic north of her arousal. He took another deep breath, filling his lungs with her scent. It was a scent that was uniquely hers, a scent that filled him with a hunger that was both terrifying and exhilarating. His hand wrapped around the base of his cock, and he began to stroke it gently, his eyes never leaving Becky's sleeping form. Each stroke sent a wave of pleasure coursing through his body, a silent symphony of sensation that played in time with the beating of his heart.

Her breathing was deep and regular, her chest rising and falling with each inhale and exhale. Her eyelids fluttered slightly, but she remained in a deep sleep. It was as if she were in a coma, oblivious to the world around her. She had always been a heavy sleeper.The only signs of life were the soft sounds she made, the occasional sigh or murmur that slipped through her parted lips. It was a siren's song, beckoning him closer, promising him a pleasure so intense that it was almost painful to resist.

He leaned in, his tongue extending to touch her clit with the gentlest of flicks. She quivered in response, but her eyes remained closed. Nate's heart raced as he continued to lick her, tracing the path from her clit to the base of her slit and back again, savoring every inch of her. His movements were slow and deliberate, each stroke a silent declaration of his hunger for her. He tasted her, the sweetness of her arousal coating his tongue, and he couldn't get enough. He wanted to devour her, to claim her in the most primal way possible.

As he pleasured Becky with his mouth, Nate's hand never ceased its rhythmic pumping. He stroked his cock with a fervor that mirrored the passion he felt in his chest, each pull of his hand sending a jolt of pleasure up his spine. His thumb circled the head, and he smeared his pre-cum across her sensitive flesh, adding to the slickness of her own wetness. The sounds of his stroking melded with the soft moans she emitted in her sleep, creating a symphony of illicit pleasure that filled the room.

The tip of his tongue dipped into Becky's entrance, and the sensation was like nothing he had ever felt before. She was so warm, so tight, so inviting. He couldn't believe he was doing this, that he was finally crossing the line he had drawn so clearly in his mind for so long. But the taste of her, the feel of her, it was all too much. He had to have more. He began to fuck her with his tongue, the wetness of her pussy muffling the sound of his intrusion.

Nate's hand trailed down to her ass, his fingers ghosting over the smooth skin. He'd always admired her plump round ass from afar, but now, he had the chance to touch her in ways he had only dreamed of. He spread her cheeks apart, revealing the tight pink star of her anus. He'd never been particularly into ass play, but the sight of Becky's ass in the moonlight was too tempting to resist. He leaned in closer, his tongue tracing the line from her pussy to her asshole. He could feel the heat of her, the tightness of her muscles.

He took a deep breath and dipped his tongue into her ass, feeling the tightness of her muscles clenching around him. Becky let out a small whimper in her sleep, but she didn't wake. He tasted the faint saltiness of her, a flavor that was new to him but oddly alluring. Nate had always been a curious person, and his kink had led him down many paths of exploration. This was just another step in that journey, one that filled him with a mix of excitement and fear.

As his tongue continued to probe, he slid his pinky into her asshole, moving it slowly in and out. The sensation was strange at first, but as he got used to it, he found that it was actually quite enjoyable. The tightness of her sphincter clenching around his finger was a powerful turn-on, and he felt his cock throb even more. He knew that this was a line he shouldn't cross, that he was playing with fire, but the thrill was too great. He couldn't stop.

Nate's tongue swirled around Becky's clit, teasing and taunting it with gentle flicks and firm presses. He could feel her body tense up, the muscles in her thighs tightening around his head. Her breathing grew more rapid, her chest rising and falling in quick succession. He knew she was close, that her body was on the cusp of releasing a wave of pleasure that would engulf her.

He sucked harder, drawing her clit into his mouth. He felt her body jerk, a silent scream of ecstasy that was muffled by the pillow she clutched. Her moans grew louder, the sound vibrating through his skull like a bass beat. His own arousal grew with each passing second, his cock begging for release.

Becky's legs began to tremble, her hips bucking slightly as the orgasm built within her. Nate felt a surge of power, a sense of control that was both terrifying and exhilarating. He had never felt like this before, never known that he could make someone else feel so much just with his mouth. His tongue swirled and flicked, his teeth grazed her sensitive flesh, and she responded with a symphony of sounds that spurred him on.

Her body tightened, her thighs clamping down around his head like a vice. Nate knew that she was close, that the dam was about to burst. He sucked harder, his tongue flicking faster as he felt her clit swell even more. The taste of her was intoxicating, a sweet and salty mix that had him addicted.

Becky's moans grew more intense, filling the room with the sound of her impending climax. Her hand reached down, her fingers tangling in his hair, guiding him without conscious thought. He took it as a sign to keep going, to push her over the edge.

Her sleep was no longer peaceful; it was a tumult of passion and pleasure that she couldn't escape. Nate knew he was playing a dangerous game, but the thrill of it all was too much to resist.  He felt her tense up, her legs tremble, and he knew that she was close. So very close.

With one final, firm suck, Becky's body arched off the bed, her back bowing in a silent cry of ecstasy. Her orgasm washed over her like a tidal wave, a powerful force that she couldn't fight. Her nails dug into the mattress, her toes curled, and her muscles tightened as the pleasure consumed her. She let out a low, keening moan, the sound of her release music to Nate's ears.

Slowly, her body relaxed, her legs falling open as if in a trance. Her breathing evened out, and she settled into a deep, contented sleep. Nate watched her, his eyes wide with a mix of awe and guilt. He had done it—he had brought his twin sister to climax without her even knowing it. It was wrong, so wrong, but the thrill of the taboo was like a drug coursing through his veins.

He softly licked up all her cum, savoring the taste of Becky's essence on his tongue. It was a heady, musky flavor that was uniquely hers, a flavor he had fantasized about for years. He felt like a thief in the night, claiming what was not his to take. His cock was painfully erect, pulsing with the need for release. He couldn't believe he had done this, but the evidence was there, coating his lips and chin.

As he pulled away from her, wiping his mouth with the back of his hand, Nate couldn't help but wonder if Becky would say yes to Tim's date. The thought of her with someone else, sharing these intimate moments with someone who wasn't him, filled him with a burning jealousy. It was an irrational feeling, he knew, but it was as real as the stickiness of Becky's juices on his skin. The idea of her laughing and sharing herself with someone else made him feel like he was being torn apart from the inside.

Tim wouldn't know her like he did. He wouldn't understand the way Becky's body reacted to his touch, the way she quivered when he found just the right spot, the way her breath hitched when she was about to come. The thought of Tim feeling her pussy clench around his cock was almost too much to bear. It was a thought that made him want to claim her again, right then and there, to show her that he was the one who truly knew her body.

With trembling hands, Nate positioned himself between her legs. He could feel the weight of his decision, the gravity of what he was about to do. His cock was painfully hard, and he knew that he wouldn't be able to resist the siren's call of her sleeping body. He hovered above her for a moment, his cock poised at her entrance, the head glistening with pre-cum. He took a deep breath, the scent of their shared pleasure filling the room, and pushed inside her.

The feeling was unlike anything he'd ever experienced. Becky was tight, even tighter than he'd imagined, her muscles clenching around him as if trying to pull him in deeper. He slid into her with ease, her body accepting him as if it had been waiting for him all along. Nate's eyes rolled back in his head as he began to thrust, his hips moving in a steady rhythm that matched the beat of Becky's heart. The sensation was exquisite, a mix of pleasure and wrongness that only served to fuel his desire.

They fit together perfectly, like two puzzle pieces that had finally found their way back to each other. Her pussy was made for his cock, her curves fitting his body like a glove. He watched in awe as his cock disappeared into her, only to emerge again, slick with her arousal. It was a sight that was both erotic.

Nate reached up, cupping Becky's right breast in his hand. It felt like a perfect handful, the weight of it fitting perfectly into his palm. His thumb found her nipple, hard and erect from the chilly air and his earlier touch. He rolled it gently, watching as it pebbled under his ministrations. He leaned down, his mouth open, and took her nipple between his teeth.

The sensation of her skin against his lips, her nipple against his tongue, was electric. He sucked hard, feeling the peak swell even further. Becky's body responded in kind, her hips moving in a gentle rhythm that matched his own. He knew he was playing with fire, but he couldn't stop. The taste of her skin, the smell of her arousal, it was all too much. He had to have more.

With each thrust, Nate felt himself getting closer to the edge. The room was filled with the sounds of skin slapping skin, the wetness of her pussy enveloping his cock. He could feel her walls tightening around him, the beginnings of another orgasm building within her. He sucked harder, his teeth grazing her sensitive flesh. Becky whimpered in her sleep, her hand coming up to cover her mouth, muffling the sounds she couldn't control.