Chapter 2: "Discovery at the Polaroid Wall"

Sunday had unfolded behind the hidden mirror with the precise, expertly managed rhythm that Y/N had perfected over the years. The thirty-year-old European giant, an intimidating monolith of a man standing at 188 centimeters and weighing 90 kilograms of dense muscle, knew the nine idols of Twice inside and out. He was their strict dance trainer, their ruthless bodyguard, and their absolute master in the bedroom.

Sunday morning had belonged to the reserved, pale-skinned Dahyun. She was a girl who sought sanctuary from the chaotic idol life. Y/N knew exactly what she needed: no fuss, no degradation, just slow, deep, profoundly relaxing vanilla sex on the cool silk sheets that left her boneless and serene. In sharp contrast, Sunday evening had been a tempestuous storm with Jeongyeon. The edgy vocalist demanded a much darker intensity. She craved the sharp, stinging slap of Y/N’s heavy hand against her bare ass, the terrifying thrill of his thick fingers wrapping tightly around her throat, and the filthy, degrading insults he whispered into her ear as he ruthlessly rearranged her insides. Y/N, the ultimate chameleon of dominance, catered flawlessly to the distinct needs of whichever idol was up on his schedule. It was, all in all, a perfectly normal Sunday.

But for Momo Hirai, the group’s twenty-eight-year-old Japanese main dancer, every day leading up to Monday was an exercise in agonizing anticipation. Overwhelmed by her own deep-seated emotions, Momo harbored a secret, desperate hope in her chest: she wanted Y/N to love her just a fraction more than he loved the others.

Monday was always a brutally tough workout. After the weekend’s hidden indulgences, it was immediately back to the grueling business of being the nation’s top girl group.

It was a sweltering, sunny Monday afternoon in Seoul. The heat outside seemed to bake the glass walls of the JYP building, and you could practically taste the exhaustion in the air of the main dance studio. The heavy, intoxicating scent of the idols' sweet floral perfumes was entirely overpowered by the raw, musky scent of their sweat.

Even Momo, universally feared and respected as the group’s relentless "dancing machine," felt the deep burn in her thighs and lungs today. But the absolute certainty that she was scheduled for her weekly "treat" immediately after this workout gave her a dangerous surge of motivation. She didn't just want to survive the rehearsal; she wanted to put on a spectacle. She wanted to warm Y/N up.

Standing in the corner of the room, impeccably dressed in his signature fitted black Adidas training suit, Y/N watched them with hawk-like precision. His sharp brown eyes tracked every pop, lock, and hip sway. Secretly, he absolutely loved the sight of his personal "toys" pushed to their physical limits. He watched with dark amusement as sweat continuously ran down the delicate curves of their necklines, soaking into their tops and making their tight workout pants noticeably damp in the most appealing places.

Momo was a phenomenal sight. Her shoulder-length, straight light brown hair, styled in a layered bob with blunt bangs, was a wet, tangled mess sticking to her flushed cheeks. She was wearing a bright, canary yellow crew-neck short-sleeved top that clung translucent to her heaving, C-cup breasts, the word "USE" printed across her chest in dark, bold lettering—a wildly ironic statement that Y/N planned to take literally. Her lower half was squeezed into tight, medium-wash denim shorts that rode up her thick, muscular thighs, the seams dark with perspiration.

During the brief, panting water breaks between the grueling choreographies, Y/N could hear the girls whispering and giggling. Time and again, he caught snippets of his idols gushing about him, openly discussing how desperately they were looking forward to their designated day on the schedule.

Finally, the grueling eight-hour session came to an end. The music cut off, leaving only the sound of squeaking sneakers and heavy, ragged breathing echoing in the studio.

Sana, drenched in sweat and looking completely entirely drained, walked over to where Momo was stretching her hamstrings. A wicked, playful smile stretched across Sana's flushed face as she nudged her fellow Japanese member.

"You have a lot of fun with Y/N tonight, Momo-yah," Sana laughed, wiping her forehead with a small towel. "But seriously... do not exhaust him. I know you're crazy, but you shouldn't drain him completely. Tomorrow is Tuesday, which means it's my turn, and I actually want to have some fun too!"

Momo giggled, a bright, breathy sound, her black eyes sparkling with sheer adoration as she glanced briefly at the towering European trainer across the room. "Sana, please! Are you kidding me? You know as well as I do that Y/N is completely inexhaustible. I couldn't drain him if I tried."

Sana chuckled, leaning in closer, her voice dropping into a sultry, filthy whisper. "I guess that's true. Do you remember that one night? After the music video shoot during the Fancy era? When it went from your Monday night straight into my Tuesday morning?"

A dark, incredibly hot flush crept up Momo’s sweaty neck. "Oh my god... don't remind me. I thought I was going to die."

"He fucked us both completely senseless, all night long," Sana reminisced, her thighs visibly pressing together at the memory. "And the craziest part? The next day, throughout the entire Tuesday schedule, he stood there with his arms crossed, acting completely strict and professional like absolutely nothing had happened! Meanwhile, you and I couldn't even walk straight because of the pain in our cunts from Monday night."

Momo burst into laughter, burying her face in her hands. "We were waddling like penguins during the fan meeting!"

"We were!" Sana laughed back, her eyes darting toward the hidden section of the mirrored wall. "I still think about that Polaroid photo he took of us that night. The one hanging on his wall in the secret room... where the two of us are swapping his massive load of cum back and forth between our mouths. God, he ruined us."

"He did," Momo sighed dreamily, standing up and grabbing her water bottle. "Thank you for the fun wishes, Sana. I'll try to leave a little bit of him for you tomorrow."

As the rest of the exhausted members slowly filed out of the practice room, dragging their sore bodies toward the showers, Momo hung back. The moment the heavy double doors clicked shut, locking out the rest of the world, the sterile atmosphere of the practice room instantly evaporated. It was replaced by a thick, suffocating cloud of raw, unadulterated sexual tension.

Momo walked confidently toward the massive mirror wall. She pressed her hand against the hidden pressure mechanism. A soft, pneumatic hiss echoed in the quiet room, and a handle-less section of the mirror popped open, swinging smoothly inward.

She stepped over the threshold into the secret room, leaving the bright, sweaty studio behind. The atmosphere in Y/N's sanctuary was instantly intoxicating. The air conditioning was set to a perfect, skin-cooling temperature. The room was bathed in the beautiful play of light and shadow—golden candlelight flickering from expensive wall sconces danced with the silver moonlight filtering through a small upper ventilation window. The air smelled heavenly, an enticing blend of melted vanilla candle wax, the faint trace of ozone from the distant city night breeze, and the lingering scent of feminine arousal ingrained into the very fibers of the room.

The space was luxurious: a plush velvet sofa sat in front of a 52-inch TV, a massive king-sized bed was draped in dark crimson silk sheets, and the infamous weekly schedule board loomed in the corner, decorated with hearts and highly explicit Polaroid pictures of her bandmates.

Y/N followed her inside, the heavy mirror door clicking shut and sealing them in perfectly.

Without needing a single command, Momo turned to face him. Her chest heaved, the word "USE" stretching over her C-cups. Since she was the undisputed dancing machine of Twice, she wanted to give him a private show. To a silent, sultry beat in her head, she began to roll her hips. She reached down, hooking her thumbs into the waistband of her soaked denim shorts, and slowly shimmied them down her thick thighs, stepping out of them. Next went her bright yellow shirt, pulled over her head and tossed carelessly onto the velvet sofa.

She stood before him in only a damp black cotton bra and matching black panties, her body glistening beautifully with a sheen of exertion.

Y/N’s dark brown eyes darkened with pure, predatory hunger. He stepped into her personal space, completely dwarfing her petite 163-centimeter frame. He reached out with his large, calloused hands, gripping her bare, sweaty waist. He leaned down, his lips trailing hot, open-mouthed kisses along her damp neck and collarbone. He inhaled deeply, visibly intoxicated by the raw, salty scent of her sweat mixed with her faint, sweet perfume.

"You smell incredible, Momo," Y/N murmured roughly, his hot breath sending violent shivers down her spine. "You worked hard today."

"I always work hard for you, Sir," Momo whispered, throwing her arms around his broad shoulders.

While his lips worshipped her sweaty skin, Y/N’s hands moved to the zipper of his Adidas track pants. With a sharp tug, he pulled it down, dragging the pants and his boxer briefs down his powerful thighs. His massive cock sprang free, completely rigid, thick, and heavy. A full 18 centimeters of heavily veined European meat, the dark, purple-hued head already weeping a slick drop of clear pre-cum.

Momo didn't hesitate. She immediately dropped to her knees on the soft, luxurious carpet. She looked up at the towering monolith of flesh before her, her black eyes wide with sheer adoration and immense hunger.

She began her oral worship with agonizingly slow, sensual lip-to-body contact. She pressed soft, open-mouthed kisses against his muscular inner thighs, tasting the salt of his skin. She cupped his heavy balls in her small hands, massaging them gently while her tongue darted out to lick the wrinkled, musky skin. She trailed her wet tongue up the thick underside of his shaft, swirling around the bulging veins, coating his dry skin with her copious, thick saliva.

When she finally reached the crown, she opened her mouth wide and took the large head past her lips.

Schlick. Slurp.

The wet, sloppy sounds of her mouth immediately filled the quiet room. Momo hummed in delight, her cheeks hollowing out as she created a perfect, tight vacuum. She wanted to impress him. She wanted to show him that she was his best girl. Placing her hands firmly on his thighs for leverage, she tilted her head back, completely opening her throat, and thrust herself forward.

She tried to completely wrap her tongue around his massive 18 centimeters and swallow it whole. The thick shaft bypassed her tongue, hitting the back of her throat with a brutal stretch. She gagged loudly—a desperate, wet hkkh sound—but she didn't pull off. She forced her throat muscles to relax, taking him impossibly deep.

Y/N looked down at the pathetic, beautiful sight of the nation's top dancer struggling to accommodate his sheer size. He stroked her sweaty, light brown hair gently, a dark, wicked grin spreading across his handsome face.

"Look at you," Y/N chuckled, his voice vibrating with mature, witty amusement and deep dominance. "I really wonder what your millions of adoring fans would think, Momo. If they could see the legendary 'dancing machine' down on her knees... completely unable to manage wrapping her tongue around her trainer's pole without choking."

The mockery, laced with that filthy, undeniable truth, hit Momo like a shot of adrenaline. It encouraged her to suck even harder. "Mmmph! Nnnngh!" she whined indignantly around his cock.

She pushed her face deeper into his wiry pubic hair, completely abandoning her gag reflex. She began to pump her head back and forth with a fervent, frantic rhythm. Drool and excess saliva completely bypassed her stretched lips, running down her chin and pooling onto Y/N’s balls in a wet, sloppy mess. The sheer physical strain of keeping her throat open for his massive girth brought thick, hot tears to her black eyes. Mascara ran slightly down her flushed cheeks, painting a picture of absolute, beautiful degradation.

The sloppy, sucking sounds—*smack, shuck, gluck*—echoed off the mirrored walls, a filthy soundtrack to her devotion.

Y/N threw his head back, his jaw clenching as the intense, agonizingly good friction of her deep oral stimulation threatened to break his iron control. He looked back down at her tear-stained, drooling face, letting out a genuine, breathless laugh.

"Fuck... alright, that’s enough for now, little machine," Y/N commanded, grabbing her shoulders and gently but firmly pulling her off his soaked, gleaming cock. A thick, viscous string of saliva connected her lips to his tip before snapping with a wet pop.

Y/N reached down, gripping her arms and effortlessly helping her to her feet. Momo was panting heavily, wiping a mixture of tears and drool from her chin. The moment she was upright, she pushed up onto her tiptoes. She threw her arms tightly around his muscular neck, pressing her body against his, and kissed him tenderly. It was a deep, highly emotional kiss, her tongue completely slipping into his mouth, transferring the musky, salty taste of his own pre-cum right back to him.

While they kissed, Y/N’s large hands roamed her sweaty back. One massive hand dropped down, grabbing a harsh, bruising squeeze of her firm, athletic butt cheek through her thin panties. With his other hand, he reached up to the clasp of her damp black sports bra. With a deft, practiced flick of his fingers, the bra unhooked with a soft click.

Momo broke the kiss, breathless and flushed. She let the straps fall from her shoulders, grabbing the black garment and tossing it carelessly onto the floor. Her perky, C-cup breasts bounced free, the dark areolas tight and the nipples completely hardened from the cool air conditioning of the room.

"Sit on the sofa," Y/N demanded, his voice dropping an octave, raw and entirely commanding.

"Yes, Sir," Momo whispered obediently.

She practically scrambled backward, dropping onto the edge of the plush velvet sofa. The material was incredibly soft and luxurious against her bare, sweaty skin. Y/N followed her, dropping to his knees on the carpet right between her spread thighs. Without breaking intense eye contact, he hooked his thick fingers into the sides of her black cotton panties and smoothly pulled them down her legs, tossing them aside.

He leaned back on his heels, his brown eyes gazing hungrily at the prize before him. Momo’s Japanese pussy was beautiful. It was very lightly hairy, perfectly neat, and completely, overwhelmingly soaked. Copious amounts of clear, sweet-smelling arousal fluid glistened in the golden candlelight, slowly dripping down toward her perineum. The scent of her raw desire was intoxicating.