#seeun and yoon
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littleprinces · 6 months ago
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Claiming My Sister
Stepsister! Seeun x M! Reader
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I had always had a thing for my sister Seeun. She was a feisty little twenty-year-old with a body that could make a man's cock twitch just by looking at her. I knew she was into some kinky shit, and I was determined to make her mine.
One night, I found her in the living room, watching some BDSM porn. I walked up behind her, placing my hands on her shoulders. "Like what you see?" I asked, my voice low and husky.
She jumped, startled. "What the fuck, Oppa?" she exclaimed, turning to face me.
I smirked. "Just admiring the view," I said, my eyes raking over her body.
She rolled her eyes. "Whatever," she said, turning back to the TV.
But I could see the way her body reacted to my touch. I leaned down, whispering in her ear. "I know what you like, Seeun. I know what gets you hot and bothered."
She turned to me again, her eyes narrowed. "Oh yeah?" she challenged. "And what's that?"
I leaned in closer, my lips brushing against her ear. "Anal," I breathed.
She gasped, her eyes widening. "You're such a pervert," she said, but I could see the heat in her gaze.
I chuckled. "And you love it," I said, my hand snaking down to her ass. I gave it a squeeze, earning a moan from Seeun.
"Fuck," she muttered, her head falling back against the couch.
I took that as a sign to keep going. I tugged at her pants, pulling them down along with her underwear. I knelt between her legs, my face level with her pussy. I could see the wetness glistening on her lips.
I leaned in, my tongue darting out to taste her. She tasted like heaven. I licked and sucked at her clit, earning more moans from Seeun.
"Yes, oppa, fuck," she muttered, her hips grinding against my face.
I stood up, my cock hard and ready. I pulled out a condom, sliding it on. I grabbed Seeun's hips, pulling her to the edge of the couch. I positioned myself at her entrance, my tip teasing her.
"Please, oppa" she begged, her eyes pleading.
I smirked, sliding into her inch by inch. She felt amazing. I started to thrust, my pace building.
"Fuck, Seeun, you feel so good," I groaned, my hands gripping her hips tighter.
"Harder, James, harder," she demanded, her voice taking on a desperate edge.
I obliged, pounding into her with everything I had. She cried out, her nails digging into my skin.
"Yes, yes, yes," she chanted, her orgasm building.
I could feel my own orgasm building, my balls tightening. I pulled out, tearing off the condom. I stroked my cock, my cum spilling out onto Seeun's face.
"Fuck, Oppa," she muttered, her eyes closed as she savored the feeling of my cum on her skin.
I smirked, my cock still hard. "Turn over," I commanded.
She obeyed, getting on her hands and knees. I positioned myself behind her, my tip teasing her ass.
"You sure about this, Seeun?" I asked, my voice low.
She nodded, her eyes meeting mine. "Yes, I want it," she said, her voice firm.
I slid into her slowly, earning a gasp from Seeun. I started to thrust, my pace building.
"Yes, Oppa, yes," she chanted, her hips meeting mine.
I could feel my orgasm building again, my balls tightening. I groaned, my cum filling Seeun's ass.
"Fuck," I muttered, collapsing onto the couch.
Seeun turned to me, a satisfied smile on her face. "That was amazing," she said, her voice soft.
I smirked, pulling her close. "I told you I knew what you liked," I said, my hand tracing patterns on her skin.
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femaleidols · 4 months ago
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SEEUN ♡ 'CHEEKY ICY THANG' Inkigayo ending fairy, 240714
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ynseeun · 24 days ago
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STAYC ✦ GPT (2024)
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isamovingon · 1 month ago
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YOON & SEEUN Singles Korea Nov '24
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femaleidol · 5 months ago
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STAYC '𝐌𝐞𝐭𝐚𝐦𝐨𝐫𝐩𝐡𝐢𝐜' Concept Photo (Icy Ver.)
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haesite · 5 months ago
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     ᴥ   ︴ ˚  🐈ɞ  ◩  ♬
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       ✿  ˚  ⌂  🌳  ⿻  ♡
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venompinks · 6 months ago
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STAYC 𓆩☆𓆪 GIRLS ITS GOING DOWN
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sieung · 7 days ago
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seeun ꔫ gpt 241117
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daziies · 8 days ago
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☆ ͡ ݂ ۫ 🍵 ࣪ 𓈒 FLOWERLD ៸៸ ˚ ׅ
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pupyuj · 1 year ago
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→ “temporary fix.” || yoon seeun x reader fic.
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— being friends with yoon seeun means doing whatever it takes to help her forget that the fact that her ex has become significantly happier without her, so you give her exactly what she needs...
word count: 3.5k.
dynamic: dom!bottom!yoon seeun x sub!top!virgin!reader.
content warnings: smut, fingering, nipple play, a bit of hair pulling, this is surprisingly very tame despite the image i had for it initially oh—
requested? : nope.
a/n: my first stayc fic <3 i enjoyed making this, and i hope you guys like it! sorry if there are major errors!! i was really hoping i finished this way earlier but alas... life 🥲 anyway this is just one of my many gifts for you for getting this blog to reach 1k!! you're all amazing n i love you and i'll see you guys in the next fics and the [REDACTED] hehehe 👀
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“she has to be doing this on purpose at this point.”
you say, as your best friend seeun stares bitterly at her ex-girlfriend from far away. chaeyoung sat on the poolside with her ankles in the water and she was laughing loudly at whatever the hell her other friends were doing in the pool. there was some kind of longing in seeun’s eyes and you knew what it meant, it was easy to figure out after all. seeun missed chaeyoung, and deeply regrets leaving her for a reason she has yet to disclose with you still. even after two years of the break-up in question.
“i mean, come on! this is the fourth party where she was ‘coincidentally’ invited to along with her ex—you.” 
you do try to desperately cheer seeun up. you have never once liked seeing her in despair. but something about seeing chaeyoung smiling that widely, shining that brightly, and laughing that loudly does something to seeun’s brain. and it was always nothing good. either this night will end with seeun crying in your arms about how heartbroken she is for hurting chaeyoung the way she did, or neither of you will speak about the event and just sit solemnly on her bed eating pizza and drinking homemade smoothies while a movie plays in the background.
you hope that it will be something different tonight. maybe seeun will be smiling for once! you wanted her and chaeyoung to completely end things on good terms. you knew seeun wasn’t in love with chaeyoung because she had said so many times before, but before they were girlfriends, they were friends. and you knew that it was that them not being able to rekindle their friendship after their break-up was the real reason why seeun always gets so upset whenever she sees chaeyoung.
jayoon, one of chaeyoung’s friends, looks across the pool and meets gazes with seeun, who visibly freezes up. jayoon grins and waves at seeun excitedly, making the other girls as well as chaeyoung turn their heads in curiosity. sumin and yeeun wave at seeun as well, while sieun was rather surprised to see seeun being in the same place as chaeyoung. speaking of which, chaeyoung herself stared at seeun. the latter was convinced that her ex was going to look away, or look at her in disgust or something along those emotions but… chaeyoung smiled softly at her.
kind as ever. and fuck, seeun wanted to cry.
“(y/n)... can we leave?”
you looked at chaeyoung and your best friend back and forth, unsure of what to do.
“are you sure…? what if yujinnie looks for you—”
“i need to go, (y/n),” seeun pries her gaze away from chaeyoung. her eyes were brimming with tears and she grabbed your wrist tightly. “please. i can’t be in here.” seeun puts her head on your shoulder as her tears fall and conveniently, a crowd forms in front of the two of you, effectively hiding her from chaeyoung’s view.
“okay… let’s go.”
seeun wipes her tears away with the back of her hand and smiles at some passing stranger briefly before pulling you towards the front door. she bids goodbye to everybody like normal, expressing faux regrets and even using you ‘not feeling well enough to stay’ as an excuse. you play along of course, you would gladly drop anything for your best friend. yujin was pretty sad that her favorite people had to leave, but she was pretty pre-occupied with stopping a drunken jiwon and gaeul from doing keg stands to really care so she merely waved goodbye before the two of you disappeared behind the front door.
seeun wordlessly climbs into your passenger seat, strapping on the seatbelt and leaning back. you couldn’t read her expression, and it was scary. you decided not to ask about it, however, and pulled out of yujin’s driveway before driving away. seeun had your denim jacket covering her thighs from the chill, and she was looking out the window—no doubt there were a million thoughts going through her head at the moment. thoughts you hoped she would find to share with you so you could take care of her.
like the good best friend that you were, and always have been.
“where are we going, (y/n)?” seeun asks eventually, now looking a bit annoyed as she scans the houses outside.
“huh? i’m taking you to your house.”
seeun looks at you like you’ve lost your mind, “what? no. i want to go to your place tonight.”
“oh… okay.”
you drove past seeun’s house and at the same time, seeun decided to pull out her phone. most likely to text one of her parents that she wasn’t going to come home. it was a normal occurrence, anyway. seeun’s parents originally didn’t like sending their kid off to sleep at another person’s place—a stranger at that!—but you gained their trust eventually… and soon enough, a young yoon seeun found herself staying over your place twice every week.
nowadays, seeun doesn’t even have to tell her parents anything. they know she is always under your care.
“did you want to eat anything?” you asked as the two of you entered your house. it was dark and quiet, but not the kind that scared you. seeun shook her head as she slipped out of her sneakers, then she stood properly, staring as you placed your car and house keys on the key hooks by the door.
“what?” you said. seeun looked at you with wonder in her eyes, then she merely smiles at you before making her way towards your room. the final glance she sends you before she completely disppeared behind a corner made your heart skip a beat, as much as you didn’t want it to.
you followed seeun to your bedroom, where was already digging through her own drawer for some fresh set of clothes. you decided to collapse on your bean bag chair, sighing blissfully at the feeling of being in the comfort of your own bedroom. seeun goes to your bathroom with some clothes in hand, barely closing the door behind her. sure, seeun said she didn’t want anything to eat when you asked her earlier, but you knew she would be grumbling about being hungry after about thirty minutes of laying silently on the bed with you, so you decided to go on your phone to browse some good food to order.
“are we watching a movie tonight, seeun?” you asked as you scrolled through your phone.
“up to you.” seeun replied.
you sighed, looking at your black tv screen. “i do not want to…” you muttered, now finding it too much of a hassle to look for food to eat and a movie to watch. you decided to melt further in your bean bag chair, blinking away your fatigue until seeun came back out of the bathroom, ruffling her soft hair as she held her neatly folded party clothes in her arms.
“freshen up, sleepyhead.” seeun took your hand and pulled you up with much difficulty. seeun didn’t really think about how close the two of you would be, physically of course, before she pulled you up to your feet. right now, she could feel your breath on her face and your warmth on her skin—it all gave her goosebumps. seeun raises a hand and brushes a few stray hairs away from your face and… is she blushing?
“g-give me a minute.” you slipped past your best friend, grabbed a random combination of your usual sleepwear and disappeared insde the bathroom. your cheeks felt so hot, and your heart was beating erratically. what the fuck. you were afraid this would happen tonight. again.
truth to be told, lately you have been feeling a few things towards your very own best friend. you tsrtaed to find her prettier than normal, and sometimes you can’t even look or speak to her without your brain screaming at you like crazy. but you didn’t want to acknowledge it. you managed to convince yourself that you were just so terribly lonely that your heart has decided to ‘settle’ for your best friend. first of all, that was unacceptable considering seeun was hurting because of her ex-girlfriend! second, you knew seeun wouldn’t see you in that way, so why would you even bother?
and third, perhaps most importantly, one does not try to get into a romantic relationship with their best friend unless they want their heart to suffer the most gut-wrenching heartbreak ever. you cherished your heart too much to let yourself be hurt like that, so seeun? absolutely off limits!!
“i thought you said you didn’t wanna watch anything?” you teased as you walked out of the bathroom in some shorts and one of your big shirts. seeun was sitting on your bed, eyes glued to your tv screen as ‘clueless’ played.
“i had to find something to entertain me while you were taking your sweet time in there.” seeun pats the big empty space on your bed, beckoning you over. you settled beside her, relishing in the mingling feeling of your cold bed and your best friend’s warmth. seeun was closer to you than usual, or maybe you were overexaggerating… but then seeun hugs your arm, putting her chin on your shoulder… and with her lips so close to your skin, you couldn’t help but shiver.
“sorry i ruined your night. i know you wanted to be in that party,” seeun fidgeted with the hem of your shirt. “because of wonyoung, right? you guys have something, don’t you?” your best friend asked. she didn’t have to, though. she watched you develop this big stupid crush on the campus princess over the past few months, and she knew that she was the reason you were holding yourself back from fully committing all of your attention to the other girl.
seeun needed you, her best friend, especially at this time of her life.
“no, don’t worry about it. i’d rather be here, honestly. my head was starting to hurt.” you smiled at your best friend, surprising yourself by the close proximity. the tip of seeun’s nose nearly touched yours, making your breath hitch. it didn’t go unnoticed by seeun, of course, and her eyes flicker down to your lips.
your heart was hammering in your chest—this was really going to happen, isn’t it?
“thank you for being so willing to get me out of there. away from chaeyoung,” seeun whispered. a cold hand slips underneath your shirt, resting on your waist, and your best friend presses herseld up against you even more. an overly-sweet side hug, you were convinced.
that was until seeun climbed onto your lap, wrapping her arms around your neck and pulling you even closer as if that was possible.
“you’ll help me heal from her, right, (y/n)? even just for one night?” seeun asked. of course you weren’t stupid, you knew what she was implying.
a part of you wanted to resist. seeun was your best friend. surely everything will change if the two of you were to go through with this, right? and you didn’t want anything like that to happen between the two of you. but how could you resist? especially when seeun brushes your hair back, cradles your face in her hands, and runs her thumb across your lips so gently? and how could you even think of pushing her away when she leans down and kisses you?
how could you stop yourself from melting? warmth bloomed across your chest the longer seeun’s lips were on yours. kissing her was like biting into a cotton candy—it was sweet, so sweet, and you could never get enough. and so you ask for more, and more you do get.
eventually, seeun was laying down on the bed with you on top of her. she was touching and groping as her lips moved expertly in sync with yours. you didn’t know what to do. as much as you liked what you were doing with seeun, you had no idea how to move further from this. so, you pulled back, but not too far as seeun stopped you from doing so by clutching your shirt, trying desperately to pull you back in. “s-seeun… wait, how do i… what do i do?” you were embarrassed to be asking that kind of question in the middle of the act, and even more embarrassed seeing your best friend laugh at you. 
seeun was sweet about it, however. “i’ll help you, don’t worry.”
seeun kisses you again—one hand cupping your cheek and the other softly holding your wrist, guiding your hand all the way down her thighs, sneaking them in between and making you feel her cunt through her shorts. “touch me, (y/n). go on.” seeun whispers against your lips. and so you do—unzipping her jean shorts and slowly slipping your hand inside. you couldn’t believe you were touching your very own best friend’s pussy, and you couldn’t believe she was letting you! christ, she wasn’t just letting you, she was telling you to!
feeling her folds through the fabric of her panties, witnessing the slightest changes on seeun’s features as you did so. “come on… you can do better than that.” seeun said as she slightly bucked her hips into your hands. she was so desperate for your touch that she didn’t care that she looked ridiculous. she could never look like that to you though.
“a-are you sure…?” you just had to ask. seeun smiles softly at you, appreciating your intent but goddamn, she was so impatient that she didn't even reply. merely lifting her hips up and removing her shorts on her own, seeing that you weren’t going to do that anytime soon. you stared at your best friend incredulously as she threw her shorts to the side, all while smirking at your expression.
“still doubting what i want, (y/n)?” this time, seeun pulls off her shirt. she doesn’t let you ogle at her perfect body for too long before she takes your face in her hands and kisses you again. thankfully this time, you knew what to do with yourself, albeit barely. reaching behind seeun’s back and pulling off her bra, letting it fall off to the side on top of her discarded shorts. she tugs on the collar of your shirt, and immediately you took it off, also desperate to feel your best friend’s skin against yours.
“i always thought you were pretty, (y/n).” seeun says, her hands gliding along your back.
“i could say the same thing to you.” you said. you leaned back down, smiling briefly at your best friend before putting your lips on her neck, earning a soft moan. “is this okay?” you whispered against her skin. you only felt seeun nod before she leaned closer, clearly wanting you to continue, and so you do. you nipped and ran your tongue all over her neck until little red spots were blooming. perhaps you went overboard, but hearing seeun moan and softly call out your name as you did it just flipped a switch to your brain.
you couldn’t wait to touch her. to help her. to kiss her. tonight, she was yours. not to the little parts of chaeyoung that remained in her heart, but yours.
and you were going to make every single second of this worth it. for the both of you.
your lips trailed further down seeun’s body, quickly reaching her chest. you looked up at your best friend, searching for any sign of discomfort or uncertainty. there was none, so you proceeded with taking one of seeun’s boobs into your hand, gently squeezing it before wrapping your lips around the hard bud. while swirling your tongue around her nipple, your other hand slowly trailed down her stomach until you reached her panties, pulling it off without a problem and immediately cupping her dripping cunt.
“good job, (y/n)—ah…!” seeun buries her hands in your hair as you move on to her other nipple, giving it the same kind of care and attention as the other one. simultaneously, you pressed your fingers against seeun’s clit, circling it as well as teasing her entrance. “y-you’re not actually completely clueless, are you, baby?” seeun asks, her fingers threading your hair as you continue to pleasure her nipple. you opened your eyes, immediately meeting seeun’s very own soft ones. while you flicked her nipple with your tongue, you slowly inserted two fingers inside her, watching as she threw her head back in pleasure.
“g-good… good..!” seeun’s hold on your hair tightens, and it hurt a bit but you didn’t mind. you feel wrap one leg around your thighs, afraid that if she doesn’t lock you in, you would leave. but there was no way that was going to happen now—especially after you’ve felt just how warm she was inside. you pushed your fingers deeper inside her, rubbing her clit with your thumb in an attempt to soothe her but you didn’t know that it only sent her mind reeling.
you tilted her head, worry settling on your stomach when seeun clutches onto your shoulder a bit too tightly. “seeun?” you stopped your movements, pulling your fingers out and putting your hand on her abdomen to soothe her.
seeun glares at you, “don’t stop, (y/n).”
“i-i just thought—”
“fuck me. don’t think of anything else.”
seeun yanks on your hair and pulls your face up to hers, kissing you roughly. you kissed her back, your hand once again making its way down to her pussy. this time, you didn’t allow yourself to listen to the small voices in your mind that told you that something about all of this was so wrong. your best friend, seeun, was in a vulnerable place and even though she let you, you were taking advantage of it to satisfy your personal interests.
something was telling you to stop. to get yourself in the right state of mind. to tell your best friend that all the things she was doing to forget about chaeyoung, especially this, was wrong. but instead, you plunged your two fingers deep inside seeun, thrusting into her in a pace that made her swear, and moan so loud, and sob into your shoulder.
“ff-fuck…! fuck, (y/n)—more…” seeun wrapped her arms around your neck, completely burying her head hidden from view. you kissed her cheek before doing what she asked, increasing your speed even further and doing your hardest to hit all the right spots. every thrust, every lingering sensations on her clit, and every kiss filled seeun’s mind with only you. as much as it started to hurt now, seeun could only take what you were giving her—just so every remaining image of her ex-girlfriend completely disappears from her mind.
and perhaps that’s exactly what happened when you finally curled your fingers inside her and made her come all over your hand. you were pretty sure that you had multiple bleeding wounds on your back from the way seeun scratched you as she came undone, moaning your name and all.
you stared at seeun—she looked so fucking pretty all fucked out and sweaty. her chest heaved up and down, and she blinked the fatigue away because she knew that from the way you licked your fingers hungrily that you weren’t done with her. but that was all she wanted right now.
“all night, seeun,” you promised her. “if that’s what it’ll take you.”
and indeed, you fucked your best friend all night. seeun never once begged for you to stop. after every orgasm she had, she only asked for more until you knew she couldn’t come anymore. you were pretty sure that the sun had started rising up by the time seeun finally allowed herself to get some rest. you laid yourself down beside her, fixing up her hair as she slowly succumbed into sleep.
you talked yourself through your own worries since seeun wasn’t there to do so. consoling your own heart because you were so fucking terrified that everything wouldn’t be the same after all of this—after everything the two of you did this night.
you were prepared to face the worst when you woke up alone hours later. you expected to be cold, to feel empty inside but it was the exact opposite. when you opened your eyes, you felt warm and your heart was full.
maybe it was because of the fact that your blanket was placed carefully and perfectly so that it would cover your entire body from the cold. maybe it was because your room was illuminated by the beautiful sunlight streaming through your curtains.
or maybe because the first thing you saw after opening your eyes was seeun drying her hair with a towel after exiting your bathroom, looking at you and smiling and saying, “hey, sleepyhead.” ensuring you of the fact that absolutely nothing has changed, and will ever change between the two of you. 
you have never been more happy to willingly ‘make a mistake’.
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dallo-stan · 4 months ago
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★ I WAS NORMAL 3 CATS AGO, indisponível.
⌕ clique aqui para a ler a história.
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eundior · 10 months ago
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     、 ☒  ˚  🐳  ✧  
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menhpy · 1 year ago
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take a look at my girlfriend
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ynseeun · 3 months ago
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SEEUN POPPY (2022)
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isamovingon · 5 months ago
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ISA & SEEUN ⊹˚. ♡.𖥔 ݁ ˖ 'Stay WITH me' @ soundbomb live
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kilmeslow · 7 months ago
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⠀ֵ⠀ׂ⠀⠀̻⍺்݀֔⠀ֵ⠀𝗍⍺ְ݀⠀יִ⠀໋̻⠀  ׅ⠀𖧋⃘⠀ׂ⠀ֵฯꪱ⠀ׂ⠀⃘̻🐒ׂ⠀ֵ⠀
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⠀ֵ⠀ׂ꒰⠀ׅ⠀⚾ᷧ ᷧ יִ⠀ׂ ⠀᩿⠀𝗍ꭐꪱ⠀ׅ ◌⠀ׂ𝗅ꪱ𝗀𝗁𝗍ֵ ⠀꒱⠀ׂ⠀࿔⠀
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