💖Moon Baek NSFW💖Poster Guy.❤️🔥
Pairing: Moon Baek x fem!reader.
Genre: Smut, comedy, fluff, jealous Moon Baek-i.
This is for you @sqwey0 💖Feel better soon, baby.
You and Moon Baek had planned the perfect lazy Saturday: a trip to the mall for some casual shopping, maybe grab ice cream, and head home for movie night, every outing with him felt like a mini-adventure. Baek-i in his usual oversized hoodie, his arm slung casually around your waist, fingers occasionally tracing lazy circles on your hip. He was in one of his playful moods, cracking jokes about the overpriced bubble tea stands and pretending to haggle with a street vendor selling phone cases shaped like cartoon cats. 'Babe, look at this one! It has whiskers just like you when you're sleepy,' he teased, holding up a fluffy pink case. You swatted his hand away with a laugh, your cheeks warming at his endless affection. Moon Baek was like that—equal parts goofy and intense, always making you feel like the center of his universe.
As you turned the corner into the designer section, the Calvin Klein store loomed ahead, its massive windows plastered with enormous posters. One caught your eye immediately: a towering publicity shot of a chiseled Korean model, all sharp jawline and smoldering gaze, posed confidently in nothing but low-slung white Calvin Klein briefs. The fabric hugged every ridge of his abs, the outline of his thick cock straining against the cotton, a deliberate tease that screamed sex appeal. You paused for maybe two seconds too long, your gaze flicking over the sculpted thighs and that prominent bulge before you snapped out of it. Moon Baek noticed instantly. His steps faltered, and he whipped his head around, following your line of sight. His eyes narrowed at the poster like it was his mortal enemy. then back to you, his full lips pressing into a dramatic pout. 'Yah! What's so interesting over there?' he demanded, voice pitching up in that whiny tone he used when he was fishing for attention.
You blinked, tearing your eyes away. 'Huh? Oh, nothing. Just... big poster.' You tried to play it cool, but he was already zeroed in, crossing his arms over his chest like a petulant child. 'Big poster? That guy's basically naked, and you're staring like he's the eighth wonder of the world.' He stepped in front of you, blocking your view, his height making it comically easy. Up close, you could see the spark of jealousy in his dark eyes, mixed with that adorable pout that made his cheeks puff out. 'Am I not enough for you? Do I need to start posing in underwear too?' You burst out laughing, covering your mouth. 'Baek-i, it's just an ad. Come on, you're being ridiculous.'
'Ridiculous? You were eyeing his... his package like it was a gourmet dessert!' He gestured wildly at the poster without looking, his face flushing pink. A few passersby glanced over, smirking at the scene, but Moon Baek didn't care. He grabbed your hand and tugged you toward the store entrance. 'Fine. Let's go in. I'll show you real underwear modeling.' Inside the Calvin Klein boutique, the air smelled like crisp cotton and expensive cologne. Moon Baek marched straight to a rack of men's briefs, rifling through them with exaggerated determination. 'What do you think? Black? Red? Something to make you forget Poster Boy out there?' You giggled, following him. 'You're jealous of a picture? That's next-level cute.'
He spun around, holding up a pair of sleek black boxer briefs. 'Jealous? Me? Never. But if you want to stare at abs, you can stare at mine.' Without warning, he lifted the hem of his shirt, flashing his toned stomach—lean muscle into stone chiseled torso, that sexy scar just above his navel. He flexed playfully, making his abs pop. 'See? Better than that fake model's.' Your laughter echoed through the store, drawing amused looks from the sales associate. 'Okay, okay, you're hotter. Happy?' 'Not yet.' He draped the briefs over his shoulder like a trophy and dragged you to the fitting rooms "for moral support," he claimed—locking the door. 'Wait here. I'm trying these on. Prepare to be dazzled.' You leaned against the wall outside the curtained stall, biting your lip to stifle your giggles. A minute later, the curtain rustled, and Moon Baek peeked out, his face dead serious. 'Ready?'
Before you could answer, he whipped it open and struck a pose—hands on hips, chest puffed out, the black briefs clinging to his hips like a second skin. His cock was already half-hard from the thrill, the thick length outlined perfectly against the fabric, balls snug underneath. He turned sideways, flexing his ass cheeks, which flexed taut and round. 'Ta-da! Moon Baek-i: Live edition. No Photoshop needed.' You clapped, tears of laughter in your eyes. 'Oh my god, Baek-i, you're such a dork. But... damn, those look good on you.' His pout melted into a smug grin. 'See? Better bulge than that fake poster boy.' He turned, giving you a full view, hands on hips, hair discheveled, head tilted to the side. 'Go on, touch, taste, compare, stare all you want.' He winked, ducking back inside to change, but not before snapping a quick selfie in the mirror and sending it to you with heart emojis.
He insisted on buying three pairs of those exact boxers the model was wearing, declaring, 'Now you'll only think of me when you see ads like that.' The rest of the mall trip was a whirlwind of his antics. He made you hold his shopping bags while he "accidentally" walked past the poster again, stopping to compare himself out loud. 'Look at him, that guy's all photoshop and lighting tricks.—pfft, and what's with that pose? Trying too hard to look brooding. Pathetic.' 'Ice cream?' you suggested, hoping to cheer him up, he was sulking adorably, dragging his feet. 'Only if you feed it to me and swear that poster's model isn't as hot as me.' He deadpanned, but his eyes sparkled with humor. You rolled your eyes, linking arms with him. 'Baek-i, no ad model's hotter than you. I promise.'
Ice cream helped—a double scoop of strawberry for you, chocolate for him. But as you sat on a bench, he kept glancing back toward the store like the poster might come to life and steal you away. Midway through your cone, he leaned in, licking a drip from your lip before whispering, 'You're mine, you know that?' 'I know. Always and only yours.' You kissed his nose, melting at his possessiveness. By the time you got back to his apartment, your sides ached from laughing. He kicked the door shut behind you, dropping the bags and pinning you against the wall with a growl that was half-playful, half-serious. 'You think that was funny, huh? Teasing your boyfriend with some billboard dick?' You wrapped your arms around his neck, still chuckling. 'It was just adorable. And you're wayyyy hotter.'
His eyes darkened, jealousy flickering back to life. 'Come here, then.' He kissed you hard, tongue plunging into your mouth, hands roaming down to squeeze your ass. You moaned into him, heat pooling between your legs as he ground his hips forward, his cock already stiffening in his jeans. Clothes came off in a frenzy—your shirt yanked over your head, bra unclasped and tossed aside, his jeans shoved down to reveal those new black briefs, his erection tenting them obscenely. He stripped you bare, fingers dipping between your thighs to find you soaked. 'Babe, got you so wet already?' He teased. 'Only you get me this wet, Baek-i,' you gasped as he scooped you up, carrying you to the bedroom.
He climbed over you, kissing down your neck, sucking marks into your skin. 'Gonna fuck you so good you'll never look at another ad again.' His mouth latched onto your nipple, tongue flicking the hard peak while his hand worked your pussy, two fingers sliding in deep, curling to hit that spot that made you arch. You writhed, clutching his hair. 'Baek... please...' He chuckled darkly, pulling his fingers out and licking them clean. 'Begging already? Good girl.' He peeled off the briefs, his cock springing free—long and thick, veins pulsing, the head already leaking precum, then positioned himself, rubbing his cockhead along your slit, coating it in your juices before thrusting in—hard and deep, stretching your walls around his girth. You cried out, legs wrapping around his waist as he bottomed out, balls slapping your ass.
He set a brutal pace, hips snapping forward, cock pistoning in and out of your dripping cunt. 'Your pussy's mine,' he grunted, pinning your wrists above your head. Sweat glistened on his abs as he pounded you, the bed creaking under the force. 'Feel me? Feel how deep I go? Better than any picture.' You nodded frantically, tits bouncing with each thrust. 'Yes—Aah Baek-i, harder!' He flipped you onto your stomach, yanking your hips up and slamming back in from behind. His hand fisted your hair, pulling your head back as he railed your pussy, the angle letting him grind against your g-spot. 'Cum for me. Show me I'm the only one who makes you feel this way.'
The pressure built fast, your walls clenching around him. You shattered, screaming his name as orgasm ripped through you, juices squirting around his cock. He didn't stop, fucking you through it until his rhythm faltered, overstimulation hitting you like electricity. 'Shit—gonna...fuck.' With a roar, he buried deep, cock throbbing as he pumped rope after rope of hot cum into your spasming pussy. 'Still think Poster Boy's hot?' He asked, kissing your back, burying his face in the back of your neck, breath panting. You snuggled closer, grinning. 'Who?' He kissed your forehead, satisfied. 'That's my girl.'
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