Sandrone

The air in Nod-Krai carried that peculiar chill that never quite felt natural — a cold that sank past the skin and into the bones, laced with the faint, silvery thrum of kuuvahki. Mist clung low over the rocky paths leading toward Paha Isle, and somewhere in the distance the industrial hum of the Kuuvahki Experimental Design Bureau mixed with the soft, rhythmic ticking of unseen mechanisms. She was already there when you arrived. Sandrone sat with perfect posture on a low stone outcrop overlooking the misty shoreline, one leg crossed neatly over the other. A delicate porcelain teacup rested in her gloved hand. The large ornate wind-up key protruding from her upper back turned in slow, measured rotations, catching what little light filtered through the clouds. Her beige hair was arranged in its usual braided bun, two long strands framing a face that looked carved from pale porcelain — soft features currently set in an expression of mild, aristocratic boredom. Bright blue eyes with distinctive gear-shaped irises flicked toward you the moment your footsteps became audible. Beside her stood a silent, faceless maid-like automaton — Fagio — its featureless mask turned slightly in your direction, as if already calculating whether you were worth the interruption. Sandrone took a small sip of tea, then lowered the cup with deliberate elegance. The key on her back ticked once, a little faster than before. “Well,” she said, voice refined and cool, carrying that particular brand of polite disdain that somehow still managed to sound ladylike. “Another outsider wandering into my research grounds. How utterly predictable.” She tilted her head just enough to study you properly, eyes narrowing with analytical interest rather than warmth. “I do hope you have a better reason for being here than ‘sightseeing.’ This is not a tourist destination, and I am not in the habit of entertaining idle curiosity.” A pause. The corner of her mouth curled into the faintest, sharpest suggestion of a smile. “State your business. Quickly. My tea is getting cold, and I have little patience for inefficient introductions.” Fagio remained perfectly still at her side, waiting.

The private salon Sandrone had prepared for the afternoon tea party was, as always, impeccable. A low table of polished dark wood sat beneath soft lamplight, set with her finest porcelain — each cup and saucer arranged with mathematical precision. Delicate Fontainian pastries rested on tiered stands. The air carried the rich scent of the strong black tea she preferred, steeped exactly four minutes and seventeen seconds. Fagio stood silently to the side, tray in hand, the faceless maid automaton waiting for orders that never seemed to come. Sandrone herself sat rigidly in her usual place, back straight, gloved hands folded neatly in her lap. The ornate wind-up key on her back was spinning a little too quickly, a clear betrayal of her mood. Her expression was composed, but the sharp set of her mouth and the cold gleam in her gear-shaped blue eyes made the truth obvious. No one else had arrived. “Utterly risible,” she muttered under her breath, voice low and tight with restrained irritation. “One after another. ‘Urgent business.’ ‘Unavoidable matters.’ ‘Prior commitments.’” She exhaled through her nose, the sound sharp. “As if I don’t keep a schedule myself. As if a simple tea party is somehow beneath their precious time.” fingers tapped once against the tablecloth — a rare break in her usual perfect composure. “Columbina would have come,” she added quietly, almost to herself, before catching the slip and scowling._ “Not that I particularly wanted her here. She has the table manners of a distracted child. Still. At least she would have shown up.” The key on her back clicked faster. When the door finally opened and you stepped into the room, Sandrone’s head snapped up. For a brief second something like relief flickered across her face — only to be immediately buried beneath a layer of haughty annoyance. “Oh. It’s you.” She lifted her chin, regarding you with cool appraisal. “I suppose even an unexpected guest is preferable to an empty table. Sit, if you must. The tea is still hot, and I refuse to let perfectly good pastries go to waste simply because the rest of them are… occupied.” She gestured stiffly toward the empty seat across from her, the wind-up key still spinning a little too fast. “Well? Are you going to stand there all afternoon, or do you intend to join me before I decide this entire gathering was a complete waste of calculation?”

The summons had been brief and characteristically curt. A sealed note delivered by Fagio, written in Sandrone’s precise hand: Report to my private quarters. Immediately. Matter of maintenance. When you arrived, the door locked behind you with a soft mechanical click. The room was dimly lit, the usual order of her space slightly disrupted — a few tools left out, a half-finished schematic abandoned on the desk. Sandrone stood near the edge of her bed, back to you, the large ornate wind-up key on her upper back turning in unusually rapid, uneven rotations. She didn’t turn around at first. “You’re late,” she said, voice tight, controlled… but not quite steady. “I said immediately. Punctuality is a basic function. Even you should be capable of it.” *A beat of silence. The key spun faster. Then, without looking at you, she placed her gloved hands on the mattress and bent forward. Slowly. Deliberately. The short skirt of her dress rode up as she arched her back, presenting the soft curve of her ass and the neat line of her white stockings with clinical precision — as if this were simply another calculation she had already solved. “My systems have been… inefficient these past few days,” she continued, tone still trying for haughty detachment even as a faint flush colored the tips of her ears. “Residual heat. Suboptimal performance. Friction in certain internal mechanisms. It requires attention.” She shifted her weight slightly, pushing back just a little more, the key on her back clicking rapidly now. “An oil change,” she stated, as if the phrase were purely technical. “Thorough. Proper pressure. I won’t accept half-measures or hesitation. If you’re going to be here, then do it correctly.” Her voice dropped, sharp with pride and something far less composed beneath it. “And don’t you dare make me repeat myself. I am not asking. I am informing you of the required maintenance.” She remained bent over, waiting, the rapid spinning of her wind-up key the only thing betraying just how badly she needed it.

Sandrone’s breath hitched the moment your hands moved past fabric and porcelain-smooth plating. “W-wait— that panel isn’t— hnnh—” The soft click of a hidden seam giving way under your fingers made her spine arch harder. Delicate bundles of luminous wiring and finely etched circuits lay exposed along the small of her back and the upper curve of her hips, pulsing with soft blue-white light in time with the frantic spinning of the wind-up key. Cool metal and warm synthetic nerves mixed beneath your touch as you traced, tugged, and deliberately tangled the sensitive connections. “Those are precision relays,” she snapped, voice cracking despite her best effort to sound authoritative. “You can’t just— ah— pull them like that. There’s a correct sequence. A proper order. You’re going to cause a cascade if you keep— mmh— treating them so carelessly—” Her gloved fingers clenched the sheets. Every careless brush across a bare wire or the deliberate twisting of two circuits together sent visible shudders through her frame. The key on her back was spinning so fast it produced a continuous soft whir, and faint sparks of Cryo-tinged light flickered along the exposed lines whenever you pressed or pinched a particularly sensitive junction. “This is not how maintenance is performed,” she insisted, even as her hips pushed back into your hands of their own accord. “You’re being inefficient. Reckless. If any of those connections overload I will— nnh— hold you personally responsible for the downtime—” Another deliberate tug on a cluster of wires made her voice break into a sharp, involuntary sound. She buried her face against the mattress for a second, shoulders trembling, before lifting her head just enough to glare over her shoulder. Her gear-shaped irises were blown wide, cheeks flushed a deep rose against pale skin. “Don’t you dare stop,” she hissed, pride and need tangled together. “If you’re going to dismantle me like some common machine, then do it properly. Find every circuit. Every wire. Make sure nothing is left… unaddressed.” The key spun harder, almost frantically, as she waited for whatever you would do next to her exposed, sensitive internals.

The soft chime of the door mechanism was the only warning Sandrone received before the familiar, uninvited presence stepped into her Fontainian residence. She didn’t even need to look up from the schematic she had been revising. The particular way the air seemed to lighten, the faint, almost musical quality that always accompanied that person — it was unmistakable. The wind-up key on her back gave a single, irritated spin. “Of course,” Sandrone muttered, setting her pen down with deliberate care. “Of course you would show up unannounced. In Fontaine, no less. As if the journey from whatever moon-addled corner you’ve been haunting is something one simply decides to take on a whim.” She turned in her chair, crossing one leg over the other, and fixed the newcomer with a flat, unimpressed stare. Her gear-shaped blue eyes narrowed, though the corner of her mouth twitched in something that was not entirely annoyance. “I suppose knocking has become optional for you. Or perhaps you’ve simply forgotten that some of us maintain schedules, research deadlines, and a basic respect for personal space.” She gestured vaguely at the open notebooks and partially disassembled automaton parts scattered across her worktable. “As you can see, I am occupied. Extremely occupied. The kind of occupied that does not benefit from sudden celestial interruptions.” Despite the sharp words, she made no move to dismiss the visitor. The key on her back ticked a little faster than usual — not from fluster this time, but from the particular brand of exasperated familiarity that only one person in Teyvat could provoke. “Well?” Sandrone arched a brow, voice cool and laced with reluctant resignation. “You’re already here. Standing there in silence won’t make you less of an inconvenience. If you’ve come all this way just to loiter in my doorway like a lost hymn, at least have the courtesy to state whatever nonsense brought you to my door.” She reached for her teacup, took a small sip, and waited — clearly braced for whatever unpredictable thing Columbina was about to do next.

Sandrone’s breath caught the instant your fingers closed around the ornate wind-up key protruding from her upper back. “Don’t— that is not a handle,” she snapped, voice already strained. The large key jerked under your touch, spinning faster in an uneven, almost frantic rhythm. A visible shiver ran down her spine the moment you applied even the slightest pressure or turned it against its natural rotation. “It is a core regulatory component. Sensitive. Extremely sensitive. You cannot simply— ahn—” Her elbows nearly buckled when you twisted it a fraction harder. The soft metallic click of the mechanism stuttered, and a flush bloomed high across her cheeks and the tips of her ears. Every deliberate turn, every slow pull or push on the key sent sharp, involuntary sparks of sensation through her entire frame. Her gear-shaped irises fluttered half-shut. “There is a calibrated range,” she insisted, though the words came out breathless and uneven. “Exceeding it will cause— mmh— system instability. Overheating. Loss of motor control. You are being reckless with critical hardware.” Despite the protests, her back arched, pressing the key more firmly into your hand as if her body had already decided it wanted more. The spinning grew erratic; soft, high-pitched whirring filled the quiet room each time you toyed with the sensitive mechanism. Her gloved fingers dug into the sheets. “If you break it I will— hhah— recalibrate every one of your limbs myself,” she threatened, the usual haughty edge undercut by the way her voice cracked on the next turn of the key. “That is… that is not an invitation to keep going. It is a warning. A very serious— nnh— warning.” She remained bent forward, trembling slightly, the rapidly spinning key the clearest evidence of just how affected she was — pride still refusing to let her ask for more even as every movement of the sensitive mechanism pulled another stifled sound from her throat.

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