Chapter 5: Cum-Gargling Selfies Are Killing It on SNS Lately
"Schlurrrp!♥ Chuu, sluuuurp! Hmmm... chuuup... plop♡"
Vulgar sucking sounds echoed nonstop through the living room. Hyeonju knelt dutifully before Oppa, who lounged on the sofa, lavishing his cock with single-minded devotion. She clearly resented wasting her time like this—her brows furrowed in an angry 8 shape as she glared up at him—but even so, she couldn't shake her inherently diligent nature. Her earnest mouth-pussy service was the epitome of a model little sister.
Meanwhile, the lucky bastard receiving all this attention had the giant TV fired up with a porn flick, which he watched with rapt focus.
"Yeah, that's it, just like that. You've gotten way better, Hyeonju. Go deeper now—suck it all the way down your throat."
"Nngh...!"
Oppa was the type to make endless demands even as he lounged back, passively enjoying her service. No doubt the woman in the porn was doing exactly that kind of deepthroat right then. It was one of his favorite hobbies: watching porn while getting the exact same treatment from a real girl. He always said it felt like he was actually fucking the girl on screen or some bullshit like that.
Thinking about another woman while getting serviced? What a scumbag. Part of her wanted to snap at him—no wonder you don't have a girlfriend, asshole—but with his cock stuffed deep in her throat, she couldn't exactly protest. And baring her teeth? That felt like crossing a line. She'd save the complaints for later. Even with these annoying requests, Hyeonju was a good girl at heart.
Following his order, she hollowed her cheeks and sucked his cock deep into her throat. At first, it hurt like hell, tears welling up—she'd hated it. But after doing it so many times, she'd gotten used to it. No, more than that: she even started to like the choking breathlessness, the raw burn in her throat. When those rough pubes scratched against her face, it felt like being utterly conquered by overwhelming masculinity, making her pussy tingle without her even realizing.
"Mmmph... hnn... mmm-mmm... sluuuurp..."
"Oh yeah, heaven. This is the life. Fuck yeah for the world-altering app. If there's anyone luckier than me in this world, step right up."
She heard Oppa muttering some nonsense. Lately, he'd been spouting crap like that more often, and every time, it made Hyeonju set aside her disgust for a moment of pity. A world-altering app? As if something that ridiculous could exist. He'd clearly fried his brain from too many comics and animes. He was always a piece of trash, but he'd been her trash of an Oppa. Was it all that smartphone fiddling lately? Her mouth-pussy service softened just a touch with sympathy. He was pathetic enough; she could at least be a little nice.
"Mmm... think I'm about to cum soon?"
"Nngh?"
Just as he said, his cock started twitching—it was clearly reaching its limit. Hyeonju eased off the intensity a bit and looked up at him, her eyes asking plainly: Outside or in my mouth? Blood siblings they might be, bad blood or not, no words were needed for this kind of communication.
Reading her cue, Oppa tapped his chin thoughtfully before declaring,
"Mouth today."
"Mmk."
Decision made—no more holding back. Hyeonju immediately bobbed her head furiously, unleashing maximum stimulation on his cock. The hot shaft pistoned rhythmically in and out of her mouth. Even at that blistering pace, her expert technique zeroed in on his sensitive spots with precision: pressing her tongue and the roof of her mouth tight against it to mimic a pussy when it plunged deepest, or teasing the retreating head to urge his release.
Oppa knew her pussy's weak points inside out, and she knew his cock's just as well. Under her assault, it visibly throbbed, desperate to unload.
"Whoa... you've gotten huge lately. Wasn't like this before."
"Hnn-hnn-hnn hoo haa! (Just cum already!)"
Her words garbled around his cock, but the meaning got through loud and clear. The awkward mouth movements from forcing it out only seemed to heighten his pleasure. Following her plea, Oppa unleashed straight into her mouth.
"Nngh♥♥♥♥ Nngh...♥ Hoo... huuuh...♥ Hng...♥"
As his cum flooded her mouth-pussy, Hyeonju's body shivered faintly. A weak orgasm rippled through her—a single trickle of girl-cum dripped from her pussy. Seasoned as she was in handling his cock, she still managed to clean it spotless, cum-smeared or not. What a commendable little sister.
After licking every inch, she finally pulled his cock free. Even after one load, it stood proud and unsatisfied, radiating virility. Guess even a lazy NEET has his perks, she thought with reluctant admiration. Feels like heaven when that thing slides into my pussy...
"What're you staring at so hard? Like my cock that much?"
"Ngh...!"
Oppa smirked arrogantly, tapping her nose with his cock. Typical—ruining the majestic image with his big mouth. Pride stung, Hyeonju glared daggers. Normally she'd snap back, but her mouth was full of cum.
Just you wait. Complaints after the job's done.
"Ahh...?"
She opened wide toward him. You didn't swallow service cum willy-nilly—it was the giver's right to inspect it first, ensure no issues. Skipping that was a manners violation, and Hyeonju refused to stoop to Oppa's level. Tilting her head carefully—not a drop spilled—she displayed the generous load filling her mouth. Oppa grinned and nodded.
"Looks good. Go ahead and swallow."
"Mmm."
Permission granted, but she didn't gulp it down right away. Grabbing her smartphone from the table, she switched to selfie mode. With her free hand, she flashed a V-sign by her face, winked, and snapped. The trick was angling the light to catch a glint off the cum pooling inside.
Photo secured, she finally swallowed, moaning low as she threw her head back.
"Haa... so sticky... I'll never get used to this texture. All guys like this?"
"Nah, mine's extra sticky on purpose. Set it that way 'cause the texture's hotter. Doesn't matter—you're only getting mine anyway."
"Well, yeah, but..."
As Oppa's exclusive sister meat-toilet, other guys' cum was off-limits. Accidental hand-contact at most; anything more was forbidden by the rules.
"Anyway, tastes a bit bitter today? Drink more water. Gotta stay healthy."
"Oh? Worried about me, Oppa? Such a good girl, my Hyeonju~"
"Hey, don't touch!"
She slapped away his hand as it reached to pet her head like some pet. Pussy was one thing—head pats triggered pure revulsion. Physiological, instinctual disgust.
Brushed off cold, Oppa just chuckled and asked,
"So what's with the photo? What for?"
"Sigh... You really don't give a shit about me, do you? Not that I care... Anyway, I do SNS. You know cum-gargle selfies blow up there? Nah, of course a total loner like you wouldn't."
Even a plain selfie got way more traction with a mouth full of Oppa's cum. Lately, uniform-clad masturbation shots or nude balcony pics were doing solid numbers too. Hyeonju was a blooming high school girl, starved for attention. But with a family member like Oppa...
His "interest" in her boiled down to pussy, mouth-pussy, and ass-pussy service. How could she rely on him?
"Nnghaaaah~♥ Cock! Love this cock! Best ever! Fuck Miyoung's pussy harder, pleeease♥♥♥"
The porn actress's moans stabbed into Hyeonju's back like needles. Glancing over, the blowjob scene had shifted to full-on fucking.
"That actress again? You love her. Why not just get an onahole already? Better than porn, right?"
"Eh, porn's got its own fun. I'll try an onahole later, but not now."
Apparently, even Oppa had standards for picking onaholes. He wasn't usually picky, but porn time brought it out. Hyeonju snorted and flopped onto the sofa. Nothing better to do—might as well watch.
As she settled in, Oppa scooted right up, hand straight to her pussy, rubbing away.
"Hey, cut it out."
She grumbled lazily, but didn't twist away or stand up. Pure tsundere posturing. Ignoring her, Oppa slipped fingers inside and toyed gently. It was one of his habits: whenever focused elsewhere, his idle fingers loved poking her pussy hole. Not serious about making her cum—just bored fingers doing their thing. Zero regard for how it made her clit throb and ache.
Total lost cause.
"Haa... do whatever. But I'm doing whatever too."
Instead of dodging, she grabbed his erect cock in her palm. Tit for tat—if he was gonna tease her pussy, she'd tease right back. Mirroring. Fair play. Sure, neither would focus on the screen, but he'd started it; he could stop first.
Squelching pussy-stabs and rhythmic fapping formed a lewd BGM in the living room. Rumor has it, they kept at it straight through the porn's end credits.