Chapter Index

    .

    Back when I didn’t have a boyfriend.

    Every time I closed the door tight, muted the sound, and played with myself—

    All the videos that matched my taste.

    The final scenes were all eerily similar.

    Through the camera lens, a woman being roughly handled by a man would let out unrestrained moans.

    And the man, well, feeling good, would pant heavily too.

    Their movements grew increasingly frantic until—

    After stuffing every last inch of that ridiculously huge cock (the kind that made me think, Do dicks like that actually exist? the first time I saw it on camera) inside her—

    Twitch, twitch.

    They’d stop moving abruptly.

    Then, unlike the earlier frenzy, slowly—

    As if showing off—they’d pull it out.

    …Leaving behind proof of complete conquest.

    And just how good it felt—capturing the woman’s face, tongue lolling out in utter pleasure, through the camera lens one last time.

    There wasn’t a single video that strayed from this obvious formula.

    …Which is why.

    “Hah… haaah……. …Seo-Woo, Jin…. …Kiss… hurry….”

    “….”

    “Fhahp…, tsch, tschuup…. Fheu….”

    “….”

    “You’re doing it without a condom?”

    “Ah, well…. Since it’s her safe period, it’s fine, right?”

    “But you never know with these things—shouldn’t you stop her?”

    “But Woojin, he’s… going raw, and he’s really pounding into her, you know?”

    “Doesn’t that just mean it feels that much better without a condom, like Jiyoon said?”

    Come to think of it, I’ve never… done it without one.

    So then, should I tell them not to do it until I’ve tried it first?

    …But they’ve already done it—would stopping them now even mean anything?

    And really, if I tried to stop them—

    Would they even listen?

    Jiyoon and Woojin—

    They were both so far gone, they wouldn’t hear a word I said.

    With all these half-baked thoughts running through my head, my lips just twitched uselessly.

    “Hyehk…. Hyeh…. Heh….”

    Woojin, pulling out his cock, letting thick strands of cum drip from the tip.

    Jiyoon, with equally thick cum already spilling from her pussy.

    I stared at them from just an arm’s length away.

    …While slick arousal

    dribbled down between my thighs.

    Probably.

    Because the things I used to enjoy watching in videos—

    And the sight of these two right now—

    Were terrifyingly similar.

    “Heh, hng…. Seo Ji…-Woo… Woojin…-ah…….”

    “….”

    Part of me wanted to grab Jiyoon’s cheeks and pull them in every direction, scolding her for this even now.

    But my thighs were soaked as if I’d been fingering myself this whole time—I couldn’t say a word.

    …If I tried lecturing them in this state, Jiyoon would just smirk and tease me—Then why are you so wet from watching us?

    “Noona, do you have an NTR kink or something? Want me to steal him from you too?”—She’d obviously provoke me with crap like that. How was I supposed to bring it up?

    If you just hid their faces and voices,

    what I was seeing was just—

    A hot woman

    getting railed like an animal by a hot guy with a huge dick,

    marked with a creampie…

    A perfect match for my usual tastes, which is why I got wet like always.

    But she wouldn’t care about that.

    “Tschu…up…. ……. ……Bweh… ngh….”

    If only I’d felt the same fear as last time—What if Jiyoon gets pregnant?—then maybe I wouldn’t have gotten this wet.

    If the scene in front of me hadn’t resembled the videos I usually searched for on my phone, maybe I wouldn’t have gotten this wet.

    Blushing hard enough to feel my ears burn, I quietly got up before they could turn their attention to me and grabbed some wet wipes.

    “Fhah…, tsch…. …Ngh… ah…?”

    “…Take it easy. The kissing.”

    The wipes I used to clean my fingers after masturbating.

    I pulled them from the drawer by the bed and, the moment their lips parted, wedged myself between them, shoving Woojin’s chest back firmly.

    I worried he might ignore me,

    but he obediently leaned back—seems like cumming once had cooled his head a little.

    …Though cooled was relative.

    Seeing his cock, still rock-hard and glistening with cum,

    it was obvious he had no intention of stopping at just one.

    “…Hih, wait, unni… that… you can’t… there….”

    “D-Don’t make weird noises…!”

    “The wipes are cold, it feels weird….”

    “Then you shouldn’t have… haaah….”

    Given how much more talkative Jiyoon had gotten lately, humoring her teasing would just drag this out forever, so I ignored her.

    The amount of cum was enough to soak into the sheets—one wipe wouldn’t cut it—so I grabbed two more and cleaned them up properly.

    Then I balled up the cum-stained wipes and tossed them into the trash.

    …Since it was her safe period, there wasn’t much to worry about, and properly cleaning up would require a shower anyway.

    For now, I’d just wipe up what I could see.

    “Woojin-ah. Hey….”

    “…? Ah, noona, hold on….”

    Jiyoon still looked dazed from the afterglow, so I cautiously approached Woojin instead, my breath uneven.

    I couldn’t even meet his eyes, mumbling under my breath before—

    …Eventually just going for it.

    Eht!

    I shoved Woojin, who was sitting up, knocking him halfway onto his back.

    Because I couldn’t bring myself to say it.

    Talking to Woojin about what just happened—

    “Did it really feel better without a condom?”—

    I’d rather die than ask that…!

    If he nodded,

    …Wouldn’t that just set the mood for me to do the same as Jiyoon?

    Even if I absolutely, under no circumstances, allowed creampies,

    I’d still have to do it raw at least once.

    Even if I begged him to pull out,

    if Woojin got too into it…

    I’d end up…

    just like her…

    “…Want me to clean you up…?”

    So, somehow.

    I dragged attention back to this embarrassing act, after Jiyoon’s creampie had stolen the spotlight.

    “…Hah, hng….”

    “…Kgh….”

    …I’d tasted Woojin’s cum plenty of times before, so that wasn’t an issue.

    But swallowing my little sister’s arousal mixed in?

    That was a first.

    Not a creampie, but this.

    I hoped he’d like it just as much.

    “Why are you doing it alone? …Move over.”

    “…Fhahh…. …There. Done?”

    Maybe he’d like it—his girlfriend and her little sister clinging to his cock, cleaning it with their mouths.

    I scooted aside to make room for Jiyoon, who crawled over on all fours, and licked the head without caring if our tongues touched.

    …Honestly, licking a cock that was already clean from my saliva,

    this was less about cleaning and more just foreplay.

    “…Here, the tendon part—you like this? Woojin-ah…? …Want me to lick harder?”

    “…Ah. You twitched….”

    “Huu…, ….”

    “Pfft. Cursing under your breath like that, we can still hear it. Dummy. Right now, all that’s loud is unni sucking your dick.”

    “….”

    “Why not just say, ‘Fuck, noona, it feels so good’? Instead of muttering curses under your breath.”

    I didn’t care about that.

    Because more than raw sex,

    I wanted him to prefer this—sisters doing something perverted together.

    …As long as he didn’t like the former more.

    Then it’d be fine.

    “…Fhahh…. Hah….”

    “….”

    Even after cleaning him up.

    His cock showed no signs of cumming—not even pre-cum.

    …That cock, teasing me.

    I shoved it back into my mouth.

    “Hhghub…, kehk……, …. ……Fheu….”

    …Almost enough to make me gag.

    I took the swollen cock as deep as I could, letting the head rub against my throat.

    I wanted to swallow it whole, squeezing tight around the base—but that was still too much.

    Instead, I stimulated it as much as I could, tears welling up from the strain,

    while Jiyoon’s kisses and suckling noises against his balls filled the air,

    before finally pulling off with strands of sticky saliva trailing from my lips.

    “Hah……. Hah….”

    Still rock-hard.

    No sign of cumming at all.

    …So now what?

    I’d done everything I could with my mouth, and this was all the reaction I got…

    Ah, should I try using my breasts?

    …No.

    Jiyoon’s were way bigger than mine—that’d just look weird.

    Something else… what else…

    What else could grab Woojin’s attention like a creampie…?

    “…Then it’s unni’s turn now, right?”

    “…Huh, wha?”

    “Right? We agreed to take turns having sex.”

    Take turns—a phrase that didn’t suit our relationship at all.

    The moment I heard it, Jiyoon grabbed my shoulder and shoved me.

    My kneeling body collapsed weakly onto the spot where she’d just been lying.

    Ugh, it’s all sweaty and gross…

    That thought flickered through my mind before—

    A siren blared in my head.

    “…Unni, why are you this wet?”

    “…Th-That’s…”

    Just from lying down,

    I could feel arousal trickling down my skin.

    “…Did you get this wet just from sucking his dick? You pervert.”

    “…Hey, don’t touch…!”

    “Why not? You touched my clit a ton too, didn’t you?”

    “…Hihk…?”

    Thanks to Jiyoon’s completely off-base assumption, I didn’t have to explain why I’d gotten so wet watching them have sex.

    But then my little sister,

    …right in front of Seo Woojin,

    gently,

    without hurting me,

    started pressing down on my clit.

    …And that,

    was so unnervingly close to my tastes that—

    Just from a few seconds of touch, my hips lightly lifted.

    “W-Wait… this feels weird….”

    “Ah, I said the same thing earlier.”

    Five seconds? Maybe five seconds since Jiyoon started touching me, and I already knew.

    If I let this keep going until we had sex—

    If by some chance we did it raw, and it turned out to be more my thing than I thought—

    The pleasure would fry my brain completely.

    I might even end up like Jiyoon,

    saying things I shouldn’t.

    “Jiyoon…-ah, stop… please….”

    “Why should I? If you wanted that, you should’ve stopped when I asked earlier.”

    I tried closing my legs to block her hand, but there was too much space—it was pointless.

    If anything, my resistance seemed to excite her. Her gentle touches turned firmer, pressing down on my clit until electric jolts of pleasure shot through my lower stomach.

    At this point, maybe convincing Woojin would be better.

    Begging him not to fuck me while she teased me like this.

    Promising to suck him off or use my hands—anything else.

    Just as I was about to call out to him—

    Squish. Jiyoon’s hand, buried between my thighs, slid up to my chest.

    And my legs, which I’d been trying to keep closed, were forced apart when Woojin suddenly pushed them aside, kneeling between them.

    “…Hihk….”

    The cock I’d just deepthroated, still slick with spit,

    pressed against my lower stomach, its heat searing into me.

    …Without thinking—

    I swear, without thinking—

    If I let him,

    while Jiyoon kept touching me,

    put it in raw—

    …How good would it feel?

    Just once. I imagined it, just once.

    “….”

    …Was that

    why, as Woojin silently tore open a condom wrapper,

    a part of me hesitated?

    “…Hey. Woojin…-ah.”

    “…Yeah.”

    Even though he’d already fucked Jiyoon raw,

    and I hadn’t even scolded him for it—

    Lying here with my legs spread, not resisting at all,

    Woojin started rolling on the condom without even asking if I wanted it raw.

    Honestly, it’s embarrassing to admit,

    …but it kinda hurt my pride.

    “…Earlier, with Jiyoon—was it not that good without a condom?”

    “….”

    Before we had sex.

    Softly.

    Just asking—was it not as good as you thought?

    No hidden meaning, just asking if it was disappointing.

    “…Ah…?”

    I didn’t consider how he might take it.

    That to Woojin, it might sound like I wanted it raw but was too shy to say it outright.

    That it might completely shatter his self-control.

    I didn’t think of any of that.

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