Chapter Index

    .

    A pervert?

    Me?

    …Hah.

    Funny.

    A pervert. Yeah. Maybe I am one.

    Most people are satisfied with three or four times a week, but I do it more than that in a single day.

    But, Ji-yoon. You’re the last person who should be calling me that.

    Aren’t you the pervert who slept with someone else’s boyfriend?

    Well, now, without my permission, you can’t even think about sex—let alone place Woojin’s hand on your thigh like this…

    A pervert with screws loose.

    Just Woojin’s “Female Friend No. 1,” that’s all.

    “……”

    Maybe that’s why.

    Even just the day before, Ji-yoon’s jealous glare would’ve felt entirely unpleasant, but now…

    It doesn’t.

    In fact, it’s a little…

    Ah, no.

    It’s not that it feels good—that’d make me just as much of a pervert as Ji-yoon.

    It’s just… not bad.

    “…Unnie. You know you look like a total fucking pervert right now, right?”

    Ji-yoon, who can do nothing but curse at me from the side—I almost wish she’d just keep glaring at me like this.

    …But that’d be way too perverted.

    I’m not that kind of person.

    Really. Honestly.

    “If you’re gonna sneak touches with your boyfriend, at least go do it quietly in your room.”

    “……”

    “Right in front of me… Tch…”

    “…Hey. Wait… That hurts…”

    After spitting out everything she wanted to say, Ji-yoon lightly smacks my thigh with the remote.

    Even when I try to block her, she just finds the gaps and keeps hitting me. Annoying.

    It doesn’t hurt, but it’s irritating.

    Yeah. This is all you can do, isn’t it?

    You’re jealous of me—the one who dated Woojin first.

    You flirted with Woojin behind my back.

    You held his pent-up lust hostage, slipped off his condom,

    Squelch, squelch.

    Then smeared sticky cum all over your clothes just to piss me off.

    Sorry, but that doesn’t scratch the itch anymore.

    …I know why you’re doing this. It’s obvious, isn’t it?

    You’re trying to make me break up with Woojin.

    Anyone could figure that out with a little thought.

    I’ve known you for 20 years—I can see what you’re thinking.

    Around the seventh or eighth smack,

    as I rub my slightly flushed thigh, Ji-yoon—who’d been glaring at me—suddenly stands up.

    …Maybe she’s annoyed at the couple next to us and is going back to her room.

    For about a second, I thought that.

    “…Hup.”

    “Hey. Get off.”

    Contrary to my hopes, Ji-yoon—

    instead of going back to her room, plops herself right onto Woojin’s lap.

    …More precisely,

    right over his crotch, pressing against his sensitive area.

    “What? Worried you’ll get hard with me right next to you, Unnie?”

    “…Are you insane?”

    “Insane? If I start moving just a little, you’ll get hard in no time…? Like… this. Or… this?”

    “……”

    “…Ah. What? It’s already a little hard…”

    “……”

    “Pfft… Weren’t you just calling me insane? …Getting turned on by a crazy bitch?”

    Unlike me, who was too stunned to react, Ji-yoon starts grinding her hips against Woojin’s crotch.

    She even glances down at my hand, still interlaced with Woojin’s, as if asking how I like that.

    Then, her lips curl into a mocking smirk as our eyes meet.

    We don’t exchange words, but the playful glint in her eyes says it all.

    “Woojin finds me hotter than you, Lee Ha-yoon…”

    Something along those lines—a bratty little taunt.

    At this point, I’m too tired to even get mad.

    “…Get off before I say something.”

    “You started it. I saw you sneaking touches on Unnie’s thigh.”

    “…I won’t do it again, so just get off. Unnie’s watching.”

    “No. I’ll just watch TV like this.”

    “You’re not five… Ugh…”

    Woojin lightly pushes Ji-yoon’s back, telling her to get off.

    But she just clings tighter, refusing to budge.

    After watching their little struggle for a while, I sigh as I catch Woojin’s awkward smile behind Ji-yoon’s snow-white hair.

    Honestly, Woojin must have it rough.

    Sure, I’m flustered that my little sister is head over heels for my boyfriend (and first male friend).

    But he’s stuck dealing with both of us at once—must be a nightmare.

    And he probably doesn’t even like Ji-yoon that much, yet he has to gently handle her like a kid throwing a tantrum.

    …Meanwhile, I’m sulking a little too.

    He has to work hard to love me so Ji-yoon doesn’t feel left out.

    Sigh.

    Maybe I should lighten Woojin’s load a little.

    Thinking that, I lean my head against his shoulder—and he tightens his grip on my hand.

    “……”

    Ji-yoon,

    though, doesn’t seem too happy about it.

    “…Hey. Seo Woojin.”

    “What now?”

    “Give me your other hand.”

    “What do you need it for?”

    “Just give it. …Then I’ll get off like you want.”

    “…Sigh…”

    He exhales deeply—loud enough for Ji-yoon to hear—right onto her slender shoulder beneath her pajamas.

    Then, with clear reluctance, he offers his hand.

    The moment he does—

    “Hey.”

    “Ah—! Don’t move your hand…!”

    “Let go. Now.”

    “Ngh… there… if you… rub it… feels good…”

    “I’m not even touching—”

    “…Huh? Here… your fingers moving… making your pants bulge… Unnie’s watching too, you know…?”

    “That’s your finger. …You crazy bitch.”

    “…Hehe. What if I keep touching it with excuses like this… ah…”

    She places his hand on her lower stomach at first,

    …but then yanks it much further down.

    Because of Ji-yoon,

    who just did something lewd with Woojin right in front of me for the first time.

    Because of Woojin,

    who’s flustered and starting to get angry.

    A strange emotion begins to seep into my chest.

    Surprisingly, it’s not anger.

    It’s calmer, almost… pleasant.

    Not irritation either.

    Like I said earlier, it’s far from negative.

    …Then what is it?

    This feeling.

    “Ngh… hah… ah…”

    Watching Ji-yoon glance at me between wet, squelching sounds—this emotion.

    “…Your dick’s so fucking hard…”

    “Don’t exaggerate just because there’s a little blood flow.”

    “Ehehe… if you wanna fuck, just say so…”

    The feeling I get watching Ji-yoon cling to Woojin despite me being right here,

    and Woojin coldly pushing her away.

    “…Wanna go to my room? Woojin?”

    “…No.”

    “You can’t do it with Unnie, but I’ll let you do it as much as…”

    “I said I don’t need it.”

    Ah.

    I get it now.

    …That’s what it is.

    No matter how hard you try, Ji-yoon,

    it won’t work on me—

    A slightly dirty,

    slightly perverted,

    (okay, very perverted)

    embarrassing sense of superiority.

    “……”

    I try to suppress my pounding heart, but only for a moment.

    Woojin, Woojin, I whisper teasingly,

    before finally—

    unlinking my fingers from his hand,

    the one that had been teasingly tracing my thigh just moments ago.

    …I grab his wrist,

    and in front of Ji-yoon,

    slide it deep between my thighs.

    “…You can do whatever you want.”

    “……”

    I whisper into his ear,

    then part my legs slightly—

    just enough for Woojin to move freely.

    “……”

    “……”

    If he wants, he can slip his fingers past the hem of my dolphin shorts.

    …Or if not, he can tease me over my clothes.

    Or, like Ji-yoon, slide his hand inside my panties—his choice.

    Just rubbing the top of my thigh must be frustrating, right…?

    Guys pretend they’re not perverts, but they totally are. Yeah, yeah.

    Right now, under Ji-yoon’s ass, his dick is probably… throbbing?

    If he wants, he can go deeper.

    Touch me there if he likes.

    …We’re

    dating, after all.

    No reason to hold back

    just because my little sister’s watching.

    “…Uh, hey, Woojin?”

    “……”

    Ah, if you don’t like that…

    …then my… chest.

    You can touch that instead.

    …Want to?

    I’m not wearing a bra anyway.

    I’ll lift my pajama top a little—

    just slide your hand under,

    and you can touch me however you—

    “…Ah—! It’s really hard…! Hey, wait…!”

    Maybe asserting dominance is her thing.

    Ji-yoon, who’d been giggling like a mischievous kindergarten teacher, gets slowly pushed off Woojin’s lap.

    When I glance over, I see Woojin’s firm forearm shoving her back.

    And then—

    his arm reaching straight for me.

    “…Ngh…?”

    The already small distance between us shrinks further.

    Not because Woojin moves closer—

    but because I’m pulled toward him.

    …One hand grips the back of my neck,

    yanking me against his chest until my breasts press flat against him.

    Even as Ji-yoon lets out a disbelieving laugh and stares at us,

    he doesn’t care.

    Right in front of my little sister,

    …he kisses me.

    “Chu… mmph… Woojin, wait…!”

    Not just a light brush of lips—

    but hungry, like what we did in the bedroom earlier.

    I tried to keep my lips sealed since Ji-yoon was watching,

    but I got swept up in the moment and parted them slightly.

    As Woojin’s hand, no longer on my thigh or shorts, gently strokes my lower stomach…

    …I discreetly grab the hem of my pajama top

    and pull it up past my breasts.

    “……”

    At that moment,

    I think something in my brain snapped.

    …I ended up just like Woojin,

    even with Ji-yoon watching.

    “…Mmph… chu… mmph…”

    Groping,

    the distinct bulge in his pants,

    I carefully start touching him.

    And even—

    glancing at Ji-yoon,

    who’d been pushed aside in an instant.

    Not with resentment,

    but with a gaze full of jealousy.

    …I look back at her,

    enjoying it.

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