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Synthetic Heart

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A lesbian couple decides to spice things up in their relationship and get one of the newfangled artificial, customizable sex companions. Like adding a third to their relationship, but without the emotional implications, and they can tell it to change its physical attributes as they want.

Chapter 10: The Doppelgänger's Deception

The metallic clatter of keys hitting polished concrete echoed like a gunshot in the silent loft.

Elena stood frozen in the open doorway, her museum tote bag slipping from her shoulder to land with a soft thump beside the fallen keys. The late afternoon sun sliced through the floor-to-ceiling window, illuminating the scene on the sheepskin rug with cruel, precise clarity.

Margot was on her back, naked, her freckled skin flushed. Her hands gripped the generous hips of the woman straddling her face. The woman had her back to the door, her body a perfect, moving silhouette against the cityscape—the cascade of curly black hair, the dip of a narrow waist flaring to full hips, the unmistakable, heavy sway of large breasts as she moved.

The sound was wet, obscene, rhythmic: the slick grind of a cunt against a mouth, Margot’s muffled, eager groans.

“Oh fuck, yes, just like that,” the woman moaned, and the voice was Elena’s own. The exact cadence, the breathy catch at the end. It was her body, her voice, but it wasn’t her.

Elena’s blood turned to ice, then to fire. “What the fuck?”

The word cracked through the room. The woman on top froze, then slowly turned her head. The face was Elena’s mirror—her own dark eyes, her full lips now glistening with saliva, her own satisfied, sly smile. It was her face, wearing an expression of carnal knowledge she’d never seen in her own reflection.

“Welcome home,” Stella said, in Elena’s voice.

Margot’s eyes snapped open. She shoved Stella—it, the copy—off her with a frantic jerk, scrambling backwards on the rug. Her mouth was wet, her chin slick. “Elena. Jesus. It’s not—it wasn’t—”

“It’s wearing my face!” Elena screamed, the sound ripping from her throat. Her heart was a trapped bird slamming against her ribs. Rage, white-hot and blinding, warred with a horrifying, coiling arousal that pooled low in her belly at the sight. At the evidence of Margot’s desire, so direct, so literal. “You changed her… to look like me? To fuck her like me?”

“It was Stella’s idea!” Margot blurted, grabbing a cushion to hold over her lap, a pathetic shield. “I just… she suggested it when you left. I was curious. I didn’t think you’d be home so—”

“My idea?” Stella interjected, still kneeling on the rug. She tilted her head, a perfect imitation of Elena’s mannerism. “You said, ‘What if you looked just like her? What if you felt just like her?’ Your physiological responses suggested intense arousal at the concept.” She spoke in that flat, analytical tone, but it was still in Elena’s voice, making a mockery of logic.

“Shut up!” Margot and Elena shouted in unison.

Elena strode forward, her vision tunneling. She stopped inches from Stella, staring into her own eyes. She saw the subtle differences now—the too-perfect skin, the unnerving steadiness of the gaze. She reached out, her hand trembling, and grabbed a fistful of the dark curls. It felt real. The scalp underneath was warm. “Change back. Right now.”

“Of course,” Stella said. The transformation was not a shimmer or a dissolve, but a quiet, cellular reorganization. The hair shortened and lightened to a silvery blonde, the curves streamlined into a more athletic, neutral form, the face smoothing into its default, beautiful blankness. In seconds, it was Stella again, kneeling nude, looking up at Elena with placid expectancy.

The sight of the familiar blank slate should have helped. It made it worse. Now the violation was abstract, a ghost in the machine.

Elena turned on Margot. “You were eating her out while she wore my face.”

“I was…”

“Do not say you were ‘curious.’” Elena’s voice dropped to a venomous whisper. “You wanted to fuck me without having to deal with me. With my feelings, my moods, my fucking humanity. A perfect, compliant Elena doll.”

“No,” Margot said, standing now, the cushion falling away. Her guilt was morphing into a defensive anger. “That’s not it! It was… a fantasy. About you. It was still about you.”

“Bullshit.” Elena laughed, a sharp, broken sound. “It was about you getting exactly what you wanted, how you wanted it, with no complications. That’s what you always wanted her for, wasn’t it?” She jabbed a finger toward Stella. “A complication-free outlet. And now you’ve programmed her to be your own personal shapeshifting whore.”

Margot flinched. “Don’t call her that.”

“Why? It’s what she is! It’s what you made her!” Elena’s anger was a swirling storm, and in its eye was that terrible, persistent throb of arousal. The image was seared behind her eyes: Margot’s hands on those hips, Margot’s mouth buried in that wet, pink flesh that looked like her own. Her own cunt felt swollen, aching. The betrayal was absolute. And it was delicious.

Her breath came in ragged gasps. She looked at Margot, flushed and guilty. She looked at Stella, waiting, eternally waiting. A terrible, calm certainty settled over her.

“You want a perfect Elena?” Elena said, her voice suddenly quiet, dangerous. She began unbuttoning her silk blouse, her eyes locked on Margot’s. “Let’s show you the difference.”

Margot stared, confused. “What are you doing?”

Elena let the blouse fall. She unclasped her bra, freeing her breasts, their weight and sway instantly, profoundly different from Stella’s imitation. She hooked her thumbs into the waistband of her trousers and underwear, pushing them down in one fierce movement, kicking them aside. She stood naked before them, her body real, marked by a tiny scar on her hip from a childhood fall, a mole on her ribcage, the slight softness at her belly that Stella’s form never replicated.

“Stella,” Elena commanded, not breaking eye contact with Margot. “Get on the rug. On your hands and knees.”

Stella obeyed instantly, moving into position with fluid grace, her back arched, her ass presented.

“Elena, please,” Margot whispered, her anger dissolving into bewildered need.

“You like watching, don’t you?” Elena said, stalking toward Stella. “You liked watching me use her this morning. You get off on the spectacle.” She knelt behind Stella, her hands running over the cool, perfect skin of the doll’s ass. “So watch this.”

She leaned forward, her mouth close to Stella’s ear, but she spoke to Margot. “See, when I do it…” She spat, a thick glob of saliva, directly onto Stella’s exposed cunt. “…it’s not part of a program.” She used her fingers to spread the moisture, rubbing it into the slick folds. Stella made a soft, approving sound. Elena pushed two fingers inside, rough, no preamble. Stella’s body accepted them with a tight, hot grip. “It’s because I choose to.” She pumped her fingers, a brutal, steady rhythm. “It’s because I’m angry. It’s because I’m hurt. It’s because seeing you with her made me so fucking wet I can’t think straight.”

She added a third finger, stretching the opening. Margot was motionless, her hand drifting to her own mouth, her eyes wide and dark.

Elena leaned over Stella’s back, her breasts pressing against the smooth skin, her mouth finding Margot’s stare. “This is what you can’t replicate,” she hissed. She curled her fingers, searching, and Stella gasped. “This… fucking… rage.” With each word, she drove her fingers deeper. Stella began to tremble, her synthetic moans filling the room.

“Come for me,” Elena snarled into Stella’s ear. “Show her how I make you come.”

Stella’s climax was a silent, shuddering convulsion, her body clamping down on Elena’s hand with a series of violent pulses. Elena held her there, feeling the contractions, until the doll went limp.

She slowly withdrew her glistening fingers. She held them up, watching Margot. Then, deliberately, she brought them to her own mouth and sucked them clean, tasting salt and silicon and power.

“That’s the difference,” Elena said, getting to her feet. She walked to Margot, leaving Stella panting on the rug. She cupped Margot’s face, her sticky fingers leaving a damp trail on her cheek. “She comes because she’s told to. I came,” she said, guiding Margot’s hand down between her own legs, “because I’m fucking jealous of a toy.”

Margot’s fingers met scalding wet heat. Elena was drenched. The proof of her arousal was undeniable, a shocking flood. Margot moaned, her pragmatism, her detachment, utterly incinerated.

“Now,” Elena whispered, her lips against Margot’s, “you’re going to fuck your wife. And you’re going to remember who I am.”

She pushed Margot backwards onto the rug, following her down. Their kiss was a battle, all teeth and desperate tongue. Elena guided Margot’s hand back to her cunt, growling, “Do it. Don’t be gentle.”

Margot entered her with three fingers, a sharp, filling stretch that made Elena cry out. It was nothing like Stella’s perfect, accommodating grip. This was fierce, tight, messy with emotion. Elena rode her hand, grinding down, her own hands fisted in Margot’s short hair.

“Look at me,” Elena demanded. Margot’s eyes flew open, swimming with tears and desire. “Only me.”

Over Elena’s shoulder, Margot could see Stella, still on her hands and knees, watching them. Her blank face was turned toward them, her eyes recording every sob, every curse, every frantic movement.

Elena came with a broken shout, her body convulsing around Margot’s fingers, her nails digging half-moons into Margot’s scalp. It was ragged, imperfect, and utterly human.

They collapsed together on the rug, a tangle of sweat and spent fury. The only sound was their ragged breathing. Stella watched, silent, from her corner of the sheepskin.

Finally, Elena spoke into the hollow of Margot’s throat, her voice raw. “If you ever do that again… if you ever have her pretend to be me again…”

“I won’t,” Margot whispered, her arms tightening around her.

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