Chapter Index

    .

    …A man who keeps me by his side yet eyes another woman right next to me.

    Or a woman who, just because she’s embarrassed, beats around the bush and only watches from the sidelines.

    From the perspective of someone observing, both of them are just frustrating.

    Why can’t they be more straightforward?

    If he just forced himself on Seol Da-bin, it’s obvious she’d resist a bit before giving in. He should just take her already.

    Even I, who haven’t seen her in a while, can clearly picture how Seol Da-bin would react…

    Is there some special reason I don’t know about?

    I let out a disinterested sigh and straightened my posture.

    “…Ah, wait… So suddenly…?”

    “Yeah.”

    Well, regardless of how frustrating those two are…

    …Seo Woo-jin getting excited because of me.

    Openly showing his lust and gripping my body.

    Claiming Seo Woo-jin for myself right in front of Seol Da-bin.

    That part was satisfying, in its own way.

    “Ngh… That tickles…”

    Of course, it’s embarrassing.

    It’s not like it’s Yo-zora or Su-a—Seol Da-bin and I have only just exchanged awkward greetings.

    And with her watching so blatantly from the side, being laid out on the couch is bound to be humiliating, right?

    …But compared to that trivial embarrassment,

    the joy of being chosen first is far greater.

    I can endure it.

    “…She’s watching… So take it easy…”

    See?

    Earlier, she said herself that she was fine just watching and waiting her turn.

    …But now, she looks almost envious of me, the one tangled up with Seo Woo-jin first.

    Her eyes slowly roam over his toned body.

    Not even daring to say, “I want a turn too.”

    Just swallowing her saliva in secret.

    How could I not enjoy this?

    All she’ll get from this is…

    “Legs. Pull them up yourself.”

    “……”

    At best…

    A little jealousy.

    That’s all.

    566

    …Do you think I don’t want to have sex?

    I do.

    I want it so badly.

    I want to hear him say he loves me over and over like last time.

    I want to feel his affection through every inch of my body, as if it’s something only I can give him.

    I want to be demanded until I’m exhausted and panting, never satisfied with just once.

    Because of you, Seo Woo-jin, I’ve learned the pleasure of being loved…

    Do you really think I’m happy just watching from the sidelines?

    You idiot.

    “Haah… Ngh…!”

    “…”

    After holding back for days, part of me wants to lose myself in pleasure with you right now.

    But what I said was about just the two of us.

    Three… is a bit much.

    Even if you got on your knees and begged to join, this is just… no!

    Just the thought of panting alongside Seo-yeon sunbae is embarrassing enough…

    And if we did it together… ……I’d inevitably be compared to her in your eyes. That’s even more humiliating…

    For reasons like these, I said, “I’ll just watch from here.” How could I possibly admit that honestly?

    Especially since today is practically the first time I’ve even met sunbae.

    There’s no way I could have sex with her.

    Any normal person would feel the same.

    I’d rather wait my turn until the end.

    A hundred out of a hundred women would make the same choice.

    Even if watching sunbae’s lewd fellatio made my head feel weird, some things just aren’t meant to be.

    I doubt this feeling will ever change, even until the day I die.

    “You can… put it in…”

    …And just like my feelings won’t change,

    neither will anyone else’s.

    Just as I was swallowing my saliva in secret, my ears caught it—

    Sunbae’s sweet, melting voice saying, “It’s fine if we do it together…”

    When I looked up, I saw Seo-yeon sunbae pulling her legs up as Seo Woo-jin had ordered.

    Her legs folded in half, drawn up beside her damp chest—one of the standard missionary positions I’ve experienced a few times myself.

    Thoughts like “She’s so flexible” or “Her legs are so long” flitted through my mind, but…

    The most prominent one was this:

    …Could I ever act like that in front of sunbae?

    The answer came instantly when I put myself in her place.

    NO.

    I’d probably be buried in embarrassment,

    too conscious of sunbae’s gaze to focus.

    “Slowly……”

    Seo Woo-jin brushed his fingers over her entrance before pushing into her without any foreplay.

    Seeing a woman pinned beneath a man like that—it didn’t feel like someone else’s business.

    Because I knew exactly how it felt, the strange sensation crept over me even from afar.

    That same weird feeling from earlier.

    My thighs clenched on their own, and my lower abdomen ached.

    …A really strange sensation.

    As I struggled with that unpleasant feeling, Seo Woo-jin finally began inserting his fully erect length, starting from the tip.

    “……Hhk… …”

    …No condom, of course.

    Not even asking if this was okay.

    But at least he went slowly, as she’d asked.

    No matter how positively I tried to spin it, the meaning was clear.

    They’d been having sex like this for a long time.

    Since I’d experienced it myself, I couldn’t really criticize,

    especially with sunbae looking up at Seo Woo-jin with a blissful smile.

    All I could do as a spectator was

    clench my thighs silently, unable to say a word.

    “……Ah, slowly… ngh…!”

    Seo Woo-jin, who had only moved slowly at first,

    started thrusting harder—just like with me. …A few times.

    Thud, thud.

    Watching him drive deep into her cervix,

    seeing how little difference there was between the first insertion and now from this angle,

    watching sunbae, who’d asked him to go slow but didn’t seem to really want it…

    …Thinking things like, “So Seo-yeon sunbae enjoys sex like this too,”

    was all I could do.

    “Huu…”

    “Ngh, Seo Woo…jin… Don’t… fuck like a beast……”

    …I didn’t know where to look.

    So I glanced at where they were joined, then quickly shifted to studying Seo Woo-jin’s expression.

    His face was as blank as ever,

    …but something about it seemed pleased, which honestly didn’t sit well with me.

    So I lowered my gaze to sunbae’s face instead.

    But that wasn’t any easier to look at.

    Biting her lip to stifle her moans, her face… ……was so beautiful even to another woman like me.

    …No wonder Seo Woo-jin was fucking her so hard with that rock-hard cock of his.

    Yeah. Yeah. Of course.

    Swallowing my pointless irritation, I looked back at Seo Woo-jin.

    Had he forgotten I was watching?

    Or was he doing this on purpose to show off?

    Because now he was slamming into her with full force, his hips relentless.

    “……”

    Maybe that’s why.

    Even Seo Woo-jin’s genuine reactions…

    …annoyed me.

    “Hhk…!? …N-No……”

    “……”

    “It’s… ruining my pussy……”

    When I looked down again,

    her sticky fluids were splattered everywhere, yet all she could do was let out cute little moans.

    When I looked back up,

    Seo Woo-jin, turned on by her, was fucking her ruthlessly with ragged breaths.

    When I looked down again,

    sunbae was pushing against his chest with both hands, as if trying to calm him down.

    When I looked back up,

    he had pinned her wrists above her head and was pounding into her without pause.

    When I looked down again,

    ……even as she was being ravaged,

    Squelch— Squelch—

    she was busy soaking the clean couch beneath her.

    “…Haah… ngh… ……♡.”

    I hated all of it.

    But even so.

    With my cheeks burning red, I tried my best to keep watching until the end.

    …But before long,

    inevitably,

    I shot up from my seat.

    “I-I’m going to the bathroom…!”

    Why?

    I stumbled a bit when I stood, my legs weak, but thankfully didn’t fall.

    Regaining my balance, I hurried toward the bathroom, the sounds of their increasingly rough sex fading behind me.

    The room with the rug in front must be the bathroom. Just a guess.

    It wasn’t like I needed to pee.

    What was bothering me was similar but different.

    Once I locked the door, I hesitantly pulled down my pants and panties.

    “…Tch…”

    …And the moment I did,

    sticky strands stretched between my panties and thighs.

    Even though they were black, the dark stain in a certain spot was unmistakable—I was soaked.

    I’d had all sorts of thoughts watching sunbae and Seo Woo-jin, but I never expected it’d be this bad.

    I hadn’t even touched myself—just watched from the sidelines.

    Still flustered, I grabbed some toilet paper to clean up first.

    If anyone found out I’d gotten this wet just from watching, something embarrassing would definitely happen.

    But just as I was about to finish and head back…

    “Wait…”

    It hit me—if I went back now, the same thing would happen again.

    No, not just “probably.” Definitely.

    Before the issue of being embarrassed to have sex with sunbae…

    …being fucked like that by Seo Woo-jin.

    I knew exactly how it felt, so seeing how good it looked was unbearable.

    But there was one way around it.

    While the two of them were lost in sex, I could sneakily take care of my urges in the bathroom.

    Using just my fingers to relieve days of pent-up desire was a waste, but it was better than humiliating myself in front of sunbae.

    If I finished in under five minutes, no one would suspect a thing.

    The decision was quick.

    “……”

    And since…

    …the image of sunbae and Seo Woo-jin fucking was still fresh in my mind,

    I decided to mimic it a little.

    Sitting on the toilet with my hips pushed forward,

    I’d finger myself roughly, imagining Seo Woo-jin loving me intensely.

    I wouldn’t reach the same depths, but I could at least set the mood.

    If I closed my eyes and pictured what I’d just seen,

    imagined it was me lying on that couch,

    it might work.

    Just as I steeled myself and got ready—

    -Click

    “Eek…!?…”

    It couldn’t have been more than a minute since I’d entered the bathroom.

    Yet one of the two, who should’ve been busy fucking,

    easily opened the door I’d definitely locked.

    “See? …I told you she went to masturbate in secret. Right?”

    “We both said the same thing. There were wet spots on the couch.”

    “Anyway, I won, so… let’s pick up where we left off. Hurry.”

    “W-Wait… Um…”

    …My fingers were still pressed against my clit,

    and both of them

    saw everything.

    “…Ah, I’ll close the door. Take your time and come out.”

    “……”

    “In the meantime, I’ll… …take good care of this for you.”

    Because Seo-yeon sunbae

    smiled sweetly

    and closed the bathroom door for me,

    “……”

    …for now,

    I had no choice but to put my clothes back on properly.

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