Sienna's fingers tightened in Mara's dark hair, a slow, deliberate pull that made Mara's mouth slide wetly against her cunt. The sound filled the room—soft, rhythmic, obscene—and Marcia felt it in her own body, a sympathetic throb between her thighs that she couldn't reach, couldn't soothe, couldn't do anything about but bear.

"Slower," Sienna murmured, her voice a low, satisfied hum. "She tastes good, doesn't she? Take your time."

Mara made a sound of agreement, her tongue flattening against Sienna's clit in a long, languid stroke. Her dark hair spilled over her shoulders, and from where Marcia knelt on the floor, she could see the way her sister's hands gripped Sienna's thighs—not holding her down, but anchoring herself, steadying herself for the work of worship.

The silk scarf around Marcia's wrists bit into her skin as she shifted her weight. Her arms were locked behind her back, elbows close together, and the position had begun to ache—a dull, persistent burn that traveled up her shoulders and settled at the base of her neck. She didn't mind it. The ache was proof she was where she belonged, kneeling on the deep red rug while her sister knelt between Sienna's legs, while Dominic stood at the foot of the bed with his cock hard and slick, watching them all.

Her eyes kept drifting to him. She couldn't help it. He was fully hard, the head of his cock flushed dark, and she could see the slow, patient way he was waiting—arms crossed, weight on one hip, his gaze fixed on Sienna's face rather than on the spectacle of her sister's mouth. He was waiting for a signal. They all were.

"Dom." Sienna's voice cut through the wet sounds, sharp and clear. "She's been patient long enough."

Marcia's breath caught. Dominic's eyes moved—slowly, deliberately—from Sienna's face to Marcia's. He didn't say anything. He didn't need to. The question was in the tilt of his head, the slight raise of his eyebrow.

Sienna's lips curved. She released Mara's hair, letting her hand fall to the sheets, and pushed herself up on her elbows. "Take her from behind."

The words landed like a physical blow. Marcia felt them in her chest, in her stomach, in the empty space between her legs that ached and throbbed and wanted. She wanted to ask— take me where —but she already knew. She could see it in the way Dominic uncrossed his arms, in the way he stepped toward her, in the way his shadow fell across her kneeling body.

"Up," he said. His voice was low, gravelly, a command that didn't allow for hesitation.

Marcia scrambled to her feet, her bound wrists making the movement clumsy. She swayed, caught her balance, and felt Dominic's hand close around her upper arm—not rough, but firm, guiding her toward the bed. Her heart was hammering. Her cunt was wet. She could feel the slickness between her thighs, the shameful evidence of how much she wanted this, how much she needed it.

"On your hands and knees," Dominic said. "Face down."

She obeyed. The mattress dipped under her weight as she crawled onto the bed, her bound wrists making it difficult to balance. She managed it anyway—forearms flat, face turned to the side, her cheek pressed against Sienna's pillow. The sheets smelled like her: vanilla and something darker, something that made Marcia's eyes flutter closed.

The silk scarf pressed into her lower back as she settled, the knot digging against her spine. She could feel Dominic moving behind her, the mattress shifting with his weight, and she heard Mara's sharp intake of breath—her sister, watching, her mouth still wet with Sienna's arousal.

"Look at her, Mara." Sienna's voice was soft, almost tender. "Look at how she presents herself. Do you see how her hips are tilted? How she's arching her back? She knows what she's for."

Marcia felt her face flush. She wanted to deny it, but she couldn't—because Sienna was right. Her hips were tilted. Her back was arched. She was offering herself, presenting herself, and the knowledge made her cunt clench around nothing.

Dominic's hands found her hips. His grip was warm, his fingers pressing into the soft flesh of her ass, spreading her open. She felt the cool air against her slick skin, felt the vulnerability of the position, felt the weight of his gaze on the place where she was most exposed.

"Please," she whispered. She didn't know what she was asking for. She didn't know what she was begging for. The word just fell out of her, a prayer she couldn't hold back.

Dominic's thumb traced the rim of her ass, slow and deliberate. She felt the callus catch on her skin, felt the pressure of his touch, and her breath hitched. She was tight. She knew she was tight. She'd never done this before—never been taken this way, never had anything inside her but her own fingers and the desperate, forbidden need she'd always tried to hide.

"Relax," Dominic said. His voice was a low rumble, almost soothing. "You'll take me better if you relax."

Marcia tried. She closed her eyes, focused on her breathing, tried to unclench the muscles that had gone tight with anticipation. She felt his thumb press harder, felt the slight give of her body, and she gasped.

"That's it," he murmured. "Just like that."

She heard the sound of him spitting into his palm—wet, obscene—and then she felt his hand against her, slick and warm, coating himself. The anticipation was unbearable. She wanted to push back, to take him, to feel him fill her, but her hands were bound and her body was trembling and she couldn't do anything but wait.

"Dom." Sienna's voice came from somewhere above her, soft and commanding. "She's ready. Give it to her."

Marcia didn't have time to brace herself. Dominic's hands found her hips again, and then she felt it—the broad, blunt head of his cock pressing against her, stretching her, pushing into her with a slow, brutal inexorability that made her cry out.

"Oh— oh God —"

The sound she made was broken, raw, torn from somewhere deep in her chest. She felt herself stretching around him, felt the burn of the intrusion, felt the impossible fullness of him filling her inch by inch. Her fingers curled into fists behind her back, her nails biting into her palms, and she pressed her face into the pillow to muffle the sob that wanted to escape.

He didn't stop. He didn't pull back. He just kept pushing, slow and steady, until she felt his hips against her ass, felt him buried inside her to the hilt, felt the weight of him pressing her into the mattress.

For a moment, nobody moved. The room was silent except for Marcia's ragged breathing and the distant sound of traffic outside the window. She could feel Dominic's pulse inside her—or maybe that was her own, thrumming through her body in waves.

"Look at her, Mara." Sienna's voice was soft, almost reverent. "Look at how well she takes dick."

Marcia's eyes flew open. She hadn't realized her sister was still watching—had forgotten, for a moment, that anyone else was in the room besides her and Dominic and the impossible fullness of him inside her. She turned her head, her cheek scraping against the pillow, and met Mara's eyes.

Her sister was kneeling on the floor, her hand pressed to her mouth, her eyes wide and dark. She was staring at the place where Dominic's cock disappeared into Marcia's body, and there was something in her expression—shock, yes, but something else too. Something hungry.

"Sienna," Marcia gasped. The word came out broken, desperate. "Please—I—"

"Shh." Sienna's hand found her hair, stroking slow and soothing. "I know, sweet girl. I know. Just let him take you. Let him fill you."

Dominic's hips pulled back, slow and deliberate, and Marcia felt herself clench around him—trying to hold him, trying to keep him inside her. The sensation was overwhelming, the drag of his cock against her inner walls, the stretch of her body as he withdrew almost all the way before pushing back in.

" Fuck —" The word tore out of her, unbidden, and she pressed her face into the pillow again, her whole body shaking.

"That's it," Sienna murmured, her fingers still stroking through Marcia's hair. "Take it. Take all of it."

Dominic's thrusts were slow, deliberate, each one a long, deep push that made Marcia see stars. He wasn't rough with her—not exactly—but there was no mercy in his pace, no pause to let her catch her breath. He just kept moving, steady and relentless, driving into her again and again until she felt herself coming apart.

She could hear Mara's breathing—quick, shallow, almost as ragged as her own. She could hear the wet sound of Dominic's cock sliding into her, the obscene squelch of her body accepting him. She could hear Sienna's soft, approving hum, a sound that made her heart race even faster than the pleasure building in her core.

"You're doing so well," Sienna said. "So beautiful, Marcia. So good for him."

Marcia felt tears prick at her eyes. The praise landed in her chest like a warm weight, settling into her bones, and she felt her walls clench around Dominic's cock in response—a helpless, involuntary reaction that made him groan.

"Yeah," he breathed. "Just like that."

His hand found her hip, his grip tightening, and he drove deeper—harder, faster, the rhythm shifting from deliberate to desperate. Marcia cried out, her body arching against him, and she felt the pressure building inside her, coiling tight in her belly, demanding release.

"Please," she sobbed. "Please, I—I can't—"

"You can," Sienna said, her voice soft and firm. "You can, sweet girl. Let go. Let it happen."

Marcia's orgasm broke like a wave. She felt it start in her core, spreading outward in a flood of heat, and she came with a broken sob, her body shuddering against Dominic's, her cunt clenching around him in waves. She heard herself crying out—his name, or Sienna's, or maybe both—and she felt Dominic's hips stutter, felt him drive into her one last time before he followed her over the edge.

She felt him come inside her. She felt the hot pulse of him, felt his body shudder against hers, felt the weight of him collapsing onto her back. For a long moment, neither of them moved. The room was filled with the sound of their breathing—ragged, exhausted, trembling—and the wet, echoing silence of what they had just done.

Sienna's hand was still in Marcia's hair, stroking slow and soothing. Marcia felt her smile before she saw it—felt the warmth of it in the air, felt the approval radiating from her like heat from a fire.

"Good girl," Sienna murmured.

Marcia's sob was swallowed by the pillow. She felt Dominic pull out of her slowly, felt the emptiness that followed, felt his cum leaking out of her and onto her thighs. She was shaking. She was crying. She was so full of feeling that she didn't know where one emotion ended and another began.

Dominic's breath was ragged against her shoulder. She felt his hand on her back, a brief, almost gentle touch before he withdrew entirely, leaving her alone on the mattress.

Mara's mouth was still open, her eyes still wide. She was staring at Marcia—at the place where Dominic had been, at the evidence of what had happened—and there was something in her expression that Marcia couldn't read. Wonder, maybe. Or longing. Or both.

"She's so good," Mara whispered. Her voice was hoarse, raw. "She's so good, Sienna."

Sienna's smile widened. She stroked Marcia's hair, her fingers gentle, and Marcia felt herself sinking into the touch—into the praise, into the warmth of being seen, of being good, of being exactly what Sienna wanted.

The room fell into a wet, trembling silence. Dominic's breath was ragged, his hand braced on the mattress beside Marcia's hip. Mara's lips were parted, her hand still pressed to her own chest, waiting. And Sienna—Sienna looked down at Marcia with a smile that held all the promise in the world.

Sienna's fingers stilled in Marcia's hair. The silence stretched, wet and warm, and Marcia felt the ghost of Dominic's cock still inside her—an absence that ached, that clenched around nothing. His cum was cooling on her thighs, a slick evidence she could feel with every small shift of her hips.

"Mara." Sienna's voice was soft, almost lazy. She didn't look at Marcia's sister. Her eyes stayed on Marcia, tracing the flush on her cheeks, the tears still clinging to her lashes. "Come here."

Marcia heard the rustle of movement—Mara rising from the floor, her bare feet padding across the rug. She turned her head on the pillow, her cheek scraping against the silk, and watched her sister approach the bed. Mara's dark hair was mussed, her lips still swollen and wet from Sienna's cunt, and there was a dazed, hungry look in her eyes that Marcia recognized. It was the same look she felt on her own face.

"Kneel beside her," Sienna said.

Mara obeyed, settling onto the mattress beside Marcia's hip. The bed dipped under her weight, and Marcia felt her sister's knee press against her thigh—warm, solid, real. She could smell herself on Mara's breath, the musky sweetness of Sienna's arousal, and she felt her cunt clench again, a helpless, involuntary pulse.

Sienna's hand left Marcia's hair. She shifted on the bed, propping herself up on one elbow, and looked down at the two of them—her eyes moving from Marcia's flushed face to Mara's parted lips, taking in the tableau with a slow, satisfied approval.

"Do you see that, Mara?" she asked, her voice low and intimate. "Do you see what Dominic left behind?"

Mara's gaze dropped. Marcia felt her sister's eyes on her thighs, on the slick, glistening trail of cum that had leaked out of her and pooled on the sheets. She felt herself flush—a deep, burning heat that spread from her chest to her cheeks—and she pressed her face into the pillow, trying to hide.

"Don't look away," Sienna said, and the command was gentle but absolute. "Let her see you, Marcia. Let her see what you took."

Marcia forced herself to still. She turned her head, her cheek scraping against the silk, and met Mara's eyes. Her sister's gaze was dark, intent, her lips slightly parted, and Marcia could see the rise and fall of her chest—quick, shallow breaths that matched her own.

"She took him so well, didn't she?" Sienna's hand found Marcia's hip, stroking the curve of her ass with a feather-light touch. "Every inch. Every drop. She didn't waste a single thing."

Marcia felt her eyes sting. The praise landed in her chest, warm and heavy, and she felt herself arch into Sienna's touch—a helpless, instinctive movement that made her cunt clench around nothing again.

"Now you're going to taste her," Sienna said, and the words were so soft, so matter-of-fact, that it took Marcia a moment to understand them. "You're going to lick Dominic's cum from her thighs, Mara. You're going to clean her up with that pretty mouth of yours."

Marcia's breath caught. She looked at Sienna, her eyes wide, and then at Mara—her sister, kneeling beside her, her hand pressed to her own chest. Mara's expression flickered—surprise, maybe, or uncertainty—but beneath it, Marcia saw something else. That same hunger. That same dark, curious wanting.

"She's never done this before," Sienna continued, her voice soft and patient. "She doesn't know what she likes yet. She doesn't know what she needs. But you can show her, Mara. You can teach her."

Marcia felt her heart hammering. She wanted to protest—to tell Sienna that this was too much, that Mara was her sister, that she couldn't—but the words died in her throat. Because she didn't want to protest. She wanted to feel Mara's mouth on her skin. She wanted to be tasted, wanted to be worshipped, wanted to be the one on the receiving end of that dark, hungry gaze.

"Please," she whispered. She didn't know if she was begging Sienna or Mara. Maybe both. "Please, I—"

"Shh." Sienna's hand found her hair again, stroking slow and soothing. "Let her decide, sweet girl. Let her come to you."

Mara was still. Her hand had fallen from her chest, and Marcia could see her fingers curling into the sheets—a small, unconscious gesture that betrayed her uncertainty. She looked at Sienna, then at Marcia, then back at Sienna.

"I've never—" Mara started, her voice hoarse. "I don't know if I can—"

"You can," Sienna said, and her voice was soft but absolute. "You've already tasted me, Mara. You've already had Dominic's cock in your mouth. This is no different. This is just another way of worshipping."

Marcia saw her sister's throat work. She saw the way Mara's gaze dropped to her thighs again, the way her lips parted, the way her tongue darted out to wet them. And she saw the moment Mara made her decision—the subtle shift in her posture, the way she leaned forward, the way her hand came to rest on Marcia's hip.

"Okay," Mara breathed. "Okay."

Marcia felt her sister's touch like a brand. Mara's fingers were warm on her hip, trembling slightly, and Marcia felt her own body respond—her back arching, her thighs parting, an instinctive, helpless offering.

"That's it," Sienna murmured. "That's my good girl. Show her how it's done."

Mara lowered her head. Marcia felt her sister's breath on her inner thigh—warm, soft, a whisper of air that made her shiver. She felt Mara's hair brush against her skin, a silky caress, and she closed her eyes, her whole body trembling with anticipation.

Mara's tongue touched her skin.

The sensation was electric—a hot, wet stroke that traced the line of Dominic's cum, gathering it, tasting it. Marcia gasped, her hips bucking involuntarily, and she felt Mara's hand tighten on her hip, steadying her.

"Easy," Mara murmured, her voice muffled against Marcia's thigh. "Let me—let me take my time."

Marcia nodded, her throat too tight for words. She felt Mara's tongue again—slower this time, more deliberate, tracing the path of Dominic's release from the inside of her thigh to the crease of her hip. The sensation was overwhelming, the knowledge of what was happening—her sister's mouth on her skin, tasting the man who had just filled her—making her cunt clench and pulse.

She heard Sienna's soft, approving hum, felt her hand stroking through her hair, and she felt tears prick at her eyes again. Not from shame, not from fear, but from the sheer overwhelming weight of being seen, of being wanted, of being worshipped.

"She tastes good, doesn't she?" Sienna asked, her voice low and intimate. "She tastes like Dominic. Like you. Like the two of you together."

Mara made a sound of agreement, her tongue flattening against Marcia's skin, lapping up the last of the cum. Marcia felt her sister's breath hot on her thigh, felt the wetness of her mouth, felt the way Mara's fingers dug into her hip—not to hold her down, but to anchor herself, to steady herself for the work of worship.

Marcia's eyes fluttered closed. She felt her body sinking into the mattress, felt the warmth of Mara's mouth spreading through her like honey, felt the ache between her legs intensify—a deep, pulsing need that she couldn't reach, couldn't soothe, couldn't do anything about but bear.

"Please," she whispered, the word falling out of her before she could stop it. "Please, I—"

"What do you need, sweet girl?" Sienna's voice was soft, almost tender. "Tell me."

Marcia's throat worked. She didn't know how to say it—didn't know how to put the aching, desperate want into words. She felt Mara's tongue trace a final, lingering path along her inner thigh, felt her sister's lips press a soft kiss to her skin, and she shuddered, her whole body trembling.

"I need—" she started, her voice breaking. "I need—"

She couldn't finish. The words wouldn't come. But Sienna seemed to understand anyway. Her hand found Marcia's chin, tilting her head up, and she looked into her eyes with that knowing, almost cruel smile.

"I know what you need," Sienna said softly. "But you can't have it yet. Not tonight."

Marcia felt her heart sink. She felt the ache between her legs intensify, felt the emptiness where Dominic had been, felt the desperate, clawing need that she couldn't soothe. She wanted to beg, wanted to plead, wanted to do anything to make Sienna understand—but she couldn't. She could only lie there, trembling, her body aching with unspent need, and watch as Sienna's smile widened.

"But I'll give you something else," Sienna said. "Something better."

Marcia's breath caught. She watched as Sienna reached for Mara, her hand finding her sister's chin, tilting her head up. Mara's lips were wet, glistening with Dominic's cum, and her eyes were dark and dazed.

"Kiss her," Sienna said softly. "Kiss your sister. Show her what she tastes like."

Marcia's heart stopped. She saw Mara's eyes widen, saw her sister's gaze flicker to her lips, and she felt a wave of heat wash over her—a dizzying, overwhelming rush of want and shame and desperate, aching need.

Mara leaned in.

Her lips met Marcia's, soft and warm, and Marcia tasted it—the salt of Dominic's cum, the musk of her own arousal, the sweetness of Sienna's praise. She felt Mara's tongue slide against hers, slow and tentative, and she moaned into her sister's mouth, her body arching against her.

Mara's hand found her hip. Her fingers dug into the soft flesh, pulling her closer, and Marcia felt herself sinking into the kiss—into the warmth, the intimacy, the overwhelming weight of being wanted. She felt Mara's other hand cup her cheek, felt her sister's thumb trace the line of her jaw, and she felt tears slide down her cheeks, hot and silent.

Sienna watched them, her smile soft and satisfied. She didn't interrupt. She didn't speak. She just watched, her eyes gleaming in the dim light, as Marcia and her sister kissed, their mouths moving together in a slow, tentative dance.

When they finally broke apart, both of them were breathing hard. Mara's lips were swollen, her eyes dark and dazed, and Marcia felt her own heart hammering in her chest—a wild, desperate rhythm that she couldn't control.

"Good girl," Sienna murmured, her hand stroking through Marcia's hair. "Both of you. So good."

Marcia's sob was swallowed by the pillow. She felt Mara's hand still on her hip, warm and solid, and she felt the ache between her legs—still there, still pulsing, still demanding. But it was softer now, gentler, muted by the warmth of her sister's touch and the weight of Sienna's praise.

She turned her head, her cheek scraping against the silk, and met Mara's eyes. Her sister's gaze was soft, wondering, and Marcia saw something in them that she hadn't seen before—a recognition, a understanding, a shared knowledge of what it meant to be seen and wanted and worshipped.

"Thank you," Marcia whispered. She didn't know what she was thanking her for—for tasting her, for kissing her, for seeing her. Maybe all of it. Maybe none of it. The words just fell out of her, a prayer she couldn't hold back.

Mara's lips curved. She leaned in, pressing a soft kiss to Marcia's forehead, and Marcia felt her eyes flutter closed.

"You're welcome," Mara murmured.