Chapter 4: Stimulation begins
“Phase one, initiating,” Dr. Long said, her voice a calm anchor in the room.
Susan’s hand was warm and steady on Ellie’s inner thigh. “Here we go, honey. Just let it happen.” With a soft, mechanical whir, the probe moved. The broad, slick tip pressed against Ellie’s entrance, not forcing, but insistently seeking. It nudged past her outer lips, then, with a slow, relentless glide, it pushed into her.
Ellie’s breath hitched. It was thick, filling her in a way fingers never could. The gel was cool, but the probe itself warmed quickly to her body temperature, becoming a solid, penetrating heat. It slid deep, stopping only when its base met her vulva. It felt enormous. “Oh, god,” she whispered.
“Depth optimal,” Susan reported, her eyes on a different screen. “Beginning cyclical motion.”
The probe began to move. It withdrew almost completely, leaving her clenching around sudden emptiness, then drove back in with that same smooth, machine-perfect thrust. The rhythm was slow, almost languid, but each inward stroke was deep and full, the rigid shaft rubbing firmly against every sensitive inner surface. A helpless, shuddering moan crawled out of Ellie’s throat.
“Neural arousal syncing perfectly,” Anya said from behind the helmet, her fingers checking a readout. “Pre-frontal activity is starting to scatter. She’s losing her train of thought.”
It was true. Ellie tried to cling to a concept—the procedure, the module, anything—but each deep, sliding thrust pushed it further away. Her world narrowed to the cradle beneath her, the hum in her skull, and the breathtaking, steady fucking of the machine between her legs.
“Adding clitoral stimulation,” Dr. Long said.
A new sensation bloomed. From the base of the probe, a soft, silicone nub extended, vibrating to life. It settled directly over her clit, a persistent, buzzing pinpoint of pleasure that made her whole body jolt. The dual sensation was devastating: the deep, full feeling of being penetrated, coupled with the relentless, electric buzz on her most sensitive nerve cluster.
“Nipples,” Dr. Long added.
Two slim, warm pads descended from the arch of the cradle. They pressed against her areolae, then began to oscillate, a kneading, sucking sensation that pulled sharp gasps from her. Her tits felt heavy, aching, the stimulation sending direct lines of fire down to her groin.
It was everywhere. Too much. Perfect. Ellie’s back arched, her head pressing back into the helmet. Her hips began to meet the probe’s thrusts in a weak, jerky rhythm. Her mouth fell open. Sounds spilled out—raw, uncensored moans, little punched-out “uh, uh, uh” noises with each inward drive.
“She’s climbing fast,” Susan observed, gently stroking Ellie’s damp hair back from her forehead. “Look at her. So pretty. Just letting go.”
The climb was a steep, slick wall. The probe’s pace increased incrementally, the thrusts becoming sharper, more demanding. The buzz on her clit intensified, the pattern shifting to a frantic, fluttering pulse. The suckling pads on her nipples tugged harder. Sensation piled upon sensation, a feedback loop of pure, mounting need. Ellie’s mind was white static. There was no thought, only a frantic, animal want for release. Her cunt was clutching the probe, dripping, each stroke sounding wet and obscene in the quiet room.
“Peak is imminent,” Dr. Long said, her eyes locked on the neural map. The colorful display was a storm of red and orange, the higher cognition centers blinking erratically, overwhelmed.
It broke over her without warning. One second she was teetering on a razor’s edge, the next she was falling. Her entire body seized, rigid as a board. A raw, guttural scream tore from her throat, devoid of any intellect, pure primal noise. Her cunt clamped down in a series of vicious, involuntary spasms around the thick, invading shaft, milking it. The pleasure was a tidal wave, blinding and total, radiating from her core to the tips of her fingers and toes. She was nothing but a vessel for the convulsing, electric-shock joy of it.
The helmet buzzed sharply, a single, powerful pulse that vibrated through her very teeth. A cascade of cool tingles, like static electricity, washed through her brain from the inside.
Then, slowly, the machine stilled. The probe remained buried deep within her, but its motion ceased. The clitoral stimulator and nipple pads retracted, leaving her hypersensitive skin throbbing.
Ellie went limp, boneless. She panted, her chest heaving. Sweat glued strands of blonde hair to her temples. The intense, crashing waves of the orgasm subsided into a deep, glowing throb.
But something else was different.
The room seemed softer at the edges. The sharp, clinical focus she’d felt under the serum was gone. Her thoughts… moved through syrup. Trying to grasp what had just happened was like trying to catch smoke. She knew she’d come—hard—and that it had been amazing. But the complex chain of events that led here, the details of the procedure, they drifted just out of reach.
“Excellent,” Dr. Long murmured, studying the screens intently. “First neural cascade captured and locked. Pulse administered successfully. Susan, retract the probe.”
With a soft whir, the thick length slid out of Ellie’s spent pussy. She gasped at the sensation of sudden, empty sensitivity. A trickle of gel and her own fluids leaked down onto the cradle.
Dr. Long came to stand beside her. “Ellie? How are you feeling?”
Ellie blinked slowly, turning her head toward the voice. The doctor’s face was calm, expectant. “Good,” Ellie slurred, her voice thick and dreamy. “Really… really good.”
“Can you describe the sensation?”
Ellie’s brow furrowed. Describe it? Words felt heavy and clumsy. “It was… big. Warm. Like… my head is full of… clouds.” She gave a loose, silly smile. “Nice clouds.”
Anya laughed softly, a warm, approving sound. “There it is. First step down. Hey, Ellie, what’s seventeen times four?”
Ellie stared at her, the question landing but not sticking. Numbers swam in her mind, formless. She giggled, a breathy, helpless sound. “I… I don’t… know? Lots?” A faint, distant embarrassment flickered and died. It didn’t matter. Nothing mattered except the warm, fucked-out feeling in her belly and the pleasant fuzz in her head.
“Perfect,” Dr. Long said, her satisfaction clear. She pointed to the brain map on the monitor. The bright, interconnected web of her higher cortex was visibly dimmer, sections gone a soft, inactive grey. “See the suppression in the parietal and frontal lobes? Cognitive processing speed is down approximately thirty percent. Inhibitory pathways are dampened. A textbook first-stage result.”
She looked back at Ellie, her professional gaze assessing. “You’re doing wonderfully, Ellie. The fogginess, the difficulty focusing, that’s exactly what we want. It will intensify with each cycle. Are you ready to feel even better? To let even more go?”
The question filtered slowly through the pleasant haze. Ready? Her body was already stirring again, the deep throb between her legs rekindling into a fresh, eager ache. She was empty. She wanted to be full. She wanted that blinding feeling again. The idea of it getting stronger, of her mind slipping further into this warm, simple place, made a fresh wave of wetness seep from her.
“Yeah,” Ellie breathed, her hips giving a slight, needy roll against the empty air. “Need… need it. Please.”
Dr. Long nodded. “Re-engage the probe. Resume stimulation parameters. Phase two.”