The city never slept, and neither did Luna Voss. At half-past eleven, the high-rise jungle of downtown buzzed with neon and noise, but inside Iron Haven Gym, the world was a different beast. The air smelled of iron and effort, the faint hum of a lone treadmill buzzing in the background like a heartbeat. Dim fluorescent lights cast long shadows over the weight racks, and the rhythmic clank of metal on metal echoed through the nearly empty space. Luna, still in her head from a brutal day of legal warfare, needed this. Her tailored suits and courtroom claws were traded for a fitted tank top and leggings, her raven hair pulled into a tight ponytail that swung with every frustrated step toward the bench press.
She was a corporate lawyer, a shark in a sea of suits, but tonight, her mind wouldn’t shut up. Contracts, depositions, and the smug face of her opposing counsel looped on repeat. She needed to lift something heavy, to feel the burn in her muscles instead of her brain. Dropping her gym bag with a thud, she loaded the bar with weights, her jaw tight. That’s when she saw her.
Across the weight room, under the harsh glow of a flickering bulb, stood Crystal Kane. The personal trainer was a walking contradiction—brutally strong yet sinfully curved, her body a masterpiece of discipline and defiance. Her sports bra clung to her like a second skin, every flex of her sculpted shoulders and taut abs on display as she spotted a scrawny guy struggling with dumbbells. Crystal’s honeyed skin glistened with a light sheen of sweat, her dark curls tied back in a messy bun, strands escaping to frame her sharp jawline. But it was her eyes—piercing, predatory hazel—that locked onto Luna’s from across the room.
Luna froze mid-step, her breath catching. The air crackled, electric and heavy, as if the gym itself held its breath. Crystal’s lips twitched into a smirk, and she tilted her head, clearly catching Luna’s stare. Busted. Luna’s cheeks warmed, but she didn’t look away. She couldn’t. Not when Crystal’s gaze felt like a challenge, a dare wrapped in molten heat.
Crystal murmured something to her client, patted his shoulder, and then sauntered over, her stride all confidence and swagger. Her sneakers squeaked faintly against the rubber floor, and Luna’s pulse kicked up a notch with every step closer. By the time Crystal stopped in front of her, leaning casually against the bench press rack, Luna felt like a cornered animal—and she wasn’t sure if she wanted to fight or flee.
“Caught you starin’, desk jockey,” Crystal drawled, her voice low and rough, dripping with amusement. She crossed her arms, the motion making her biceps pop, and arched a brow. “What, they don’t teach eye contact etiquette in law school?”
Luna bristled, but a smirk tugged at her lips. She straightened, wiping her hands on her leggings to mask the sudden tremor in her fingers. “Maybe I was just wondering how someone so ripped still manages to look so... distracting.”
Crystal’s laugh was sharp, a bark of delight that sent a shiver down Luna’s spine. “Oh, sweetheart, flattery won’t save you. I see those arms—skinny as a paperclip. You sure you can handle that bar, or you need me to call for backup?”
“I’ve handled worse than a barbell,” Luna shot back, stepping closer, her voice cool but her eyes burning. “But if you’re offering to spot me, I won’t say no to a front-row seat of... whatever this is.” She gestured vaguely at Crystal’s physique, her tone teasing but her gaze hungry.
Crystal’s smirk widened into a full-blown grin, all teeth and mischief. “Careful, lawyer lady. Keep talkin’ like that, and I might think you’re here for more than a workout.” She stepped around the bench, positioning herself behind Luna as she lay back on the padded surface. Crystal’s presence loomed, her shadow falling over Luna like a promise. “Now, let’s see if you can lift more than a pen. Hands on the bar—nice and tight.”
Luna gripped the cold metal, her heart hammering as Crystal’s hands hovered just above hers, ready to catch the weight. The trainer’s breath brushed the back of Luna’s neck as she leaned in close, her voice a husky whisper. “Push up, princess. Show me what you’ve got.”
The weight trembled as Luna pressed it upward, her arms straining, but it wasn’t just the bar making her shake. Crystal’s nearness, the heat of her body, the faint scent of her sweat mixed with something spicy—fuck, it was intoxicating. Luna’s focus slipped, and the bar wobbled.
“Eyes up, not on me,” Crystal teased, her hands steadying the bar with ease. Her fingers brushed Luna’s briefly, a deliberate graze that sent a jolt straight through her. “Unless you want me to think you’re slacking on purpose just to keep me close.”
Luna gritted her teeth, pushing the bar up with renewed force, her voice tight. “Maybe I am. What’re you gonna do about it, trainer? Write me up for bad form?”
“Oh, honey, your form’s the least of your problems,” Crystal purred, her lips dangerously close to Luna’s ear now. “But I can fix that. Lift again. Slower this time. Let me feel it.”
The innuendo wasn’t lost on Luna, and her thighs clenched involuntarily. She lowered the bar, then pushed it up, slower as instructed, every muscle in her body screaming under the weight—and under Crystal’s gaze. Sweat beaded on her forehead, trickling down her temple, and she caught Crystal’s eyes in the mirror across from them. The trainer’s stare was unapologetic, raking over Luna’s body like she was mapping every inch.
“Good girl,” Crystal murmured, and Luna nearly dropped the damn bar. The praise hit like a punch, low and hot in her belly. Crystal helped rack the weight, her hands lingering on the bar a second too long before she stepped back, wiping her palms on her shorts. “Not bad for a suit. But you’re still wound tighter than a spring. Bet I could loosen you up.”
Luna sat up, chest heaving, and turned to face her. The gym was empty now, the last straggler gone, leaving just the two of them and the hum of the overhead lights. Her voice was breathy but sharp as she fired back, “That an offer or a threat?”
Crystal didn’t hesitate. She dropped to her knees in front of Luna, right there on the gym floor, her hands bracing on Luna’s thighs with a grip that was both possessive and electric. Her eyes gleamed with wicked intent, lips curling into a grin that promised trouble. “It’s whatever you want it to be, princess. But I don’t play games. You want out, say it now. Otherwise, I’m taking what I’ve been eyeing since you walked in.”
Luna’s breath hitched, her body already betraying her with the heat pooling between her legs. She should’ve said no, should’ve clung to the control she wielded in boardrooms and courtrooms. But Crystal’s hands, her voice, her sheer fucking audacity—it stripped Luna bare in a way no closing argument ever could. “Then take it,” she rasped, her voice a challenge. “Show me what you’ve got.”
Crystal didn’t need to be told twice. Her fingers hooked into the waistband of Luna’s leggings, yanking them down with a roughness that made Luna gasp. The cool air hit her skin, but Crystal’s mouth was fire, trailing up her inner thigh with deliberate, teasing bites. “Fuck, you’re already a mess,” Crystal growled, her breath hot against Luna’s core. “All that stress, huh? Don’t worry, I’ve got you.”
Luna’s head tipped back, a moan escaping her lips as Crystal took control, her tongue and fingers working with the same precision she used to spot a lift. It was raw, messy, desperate—sweat and need slicking their skin as Luna’s hands gripped the edge of the bench, her knuckles white. Crystal was relentless, commanding, every move calculated to unravel Luna completely. “Let go, princess,” she murmured against her, voice vibrating with authority. “I’ve got you. Come for me.”
And Luna did, her release crashing over her like a tidal wave, her cry echoing in the empty gym. She shattered under Crystal’s touch, her body trembling as the trainer’s lips claimed every shudder, every gasp, until Luna was a boneless heap against the bench. Crystal pulled back, her mouth glistening with evidence of Luna’s surrender, a triumphant smirk on her face as she wiped her lips with the back of her hand.
“Damn,” Crystal breathed, her voice rough but satisfied, as she leaned back on her heels. “You taste like trouble, lawyer lady. Round two at my place, or you gonna make me beg for it here?”
Luna, still catching her breath, managed a shaky laugh, her eyes glinting with renewed fire. “Oh, I don’t make anyone beg. But you’re buying the drinks first. Then we’ll see who’s begging.”
Crystal grinned, standing and offering a hand to pull Luna up. Their fingers lingered, the promise of more hanging heavy between them as they stumbled toward the locker room, already plotting their next move in this dangerous, delicious game.
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