1 - 20 of 457 Works in Woo Seulgi
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Jaeyi was supposed to get married to the love of her life. But that all comes crashing down when she finds her fiancé in bed with another woman 2 weeks before their wedding. Worst of all, she was pregnant with his child.
She learns to pick up the pieces of her life and her heart, with her best friend, Seulgi, beside her.
Or, Jaeyi realizes that she’s been looking at the wrong person this whole time.
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"Between Heartbeats" is the story of a troublemaker with a fragile heart and the ice queen melted by love.
Woo Seulgi is the one the school hallways are afraid of.
Yoo Jaeyi is the president with eyes of ice and a voice made of steel.They come from different worlds, but when Seulgi's life begins to slip between heartbeats, it's Jaeyi who stays.
Too late for "later", too early for goodbye.
This is a story about how love blooms where no one expects it - between pain, fear, fistfights, silence... and last chances.
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Seulgi "accidentally" asks her rival Jaeyi on a date—and Jaeyi, to her surprise, says yes. Between chaotic flirting, unexpected softness, and the chaotic duo Yeri and Kyung gleefully fanning the flames, things get a bit more complicated (and a lot more adorable) than planned.
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“Seulgi-yah, are you okay?” Jaeyi repeats as she visibly pouts with a frown on her pink face and puts one of her hands on seulgi’s forehead.
Peering into Jaeyi’s glassy eyes as she looks at her with immense concern, Seulgi gets the urge to do something stupid. Something very very stupid.
“Actually no! I feel- I feel like I have wasted my teenage years” *hiccup* “on a guyyy that doesn’t love me enough to eat me out! And all of my friends think I’m suchhhhh a loser for not ‘getting the bestest best ever experience of life’. I feel sick- I feel like I’m missing out on something importa-” *hiccup*
Yoo Jaeyi tips her head forward as if she’s about to kiss her, Seulgi freezes on her spot expecting the worst instead Jaeyi giggles in her ear.
They stay like that for a while. Jaeyi giggling as if she has heard the best joke of her life, while Seulgi remains frozen trapped between her and the sink.
Then Jaeyi moves back , her glassy eyes return to peering into her soul, this time though, she has a smirk on her face.
Seulgi feels like a petri dish under a micro scope.
“ Seulgi-yah….Do you want me to eat you out?”
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I'm the powder, you're the fuse (just add some friction) by salolo
Fandoms: 선의의 경쟁 | Friendly Rivalry (TV)
16 Jun 2025
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When Jaeyi meets Seulgi she only has one goal, becoming close to Seulgi, close enough to one day call her "mine". The only thing Seulgi wants is to run as far away as possible from Jaeyi. She doesn't trust her but she can't deny that there is a weird attraction between them. As much as Seulgi wants to stay away, she always finds her path back to Jaeyi.
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gravity of shadows (under a moonless sky) by insomniacradish
Fandoms: 선의의 경쟁 | Friendly Rivalry (TV)
16 Jun 2025
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In the shadows of Eden, Seulgi runs jobs for the Retrievers Guild, half-blood, half-lost.
She never intended to work for the President of the High Council. But Jaeyi was impossible to refuse—a woman with a voice like secrets and cherries.
But when a toxin exposure binds Seulgi to Jaeyi's blood, alliances born in the dark bleed into desire.
This was never supposed to be a love story. But Jaeyi’s fingers know how to bandage ruin. And Seulgi keeps showing up like she belongs.
(i apologise, the summary has changed for the third time. hopefully, it stays this way.)
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Yoo Jaeyi, 2nd daughter of the Yoo conglomerate and future CEO, approaches her arranged marriage like a business deal, cold, distant, and strictly professional.
Woo Seulgi, heir to a wealthy family nearly as powerful, has no problem being married at all.
With a bright smile and a carefully calculated plan, Seulgi is determined to break through Jaeyi’s icy facade and make this marriage work, on her terms.
Or, The arranged marriage AU no one asked for.
Series
- Part 4 of In Every Universe, It’s You
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Yoo Jaeyi was born with everything—money, status, and a future carved out by her powerful family. Sharp, spoiled, and effortlessly brilliant, she was taught not to get attached. Seulgi was the one person who made her feel seen, not admired or expected.
Woo Seulgi grew up with nothing but grit. Orphaned young, she learned to survive by trusting no one and keeping her heart locked tight until Jaeyi. Jaeyi was her first real sense of home—and her first real heartbreak.
They met in high school: the untouchable rich girl and the quiet scholarship student. Sparks flew, and a secret love bloomed through college. But when Jaeyi’s father found out, he sent her abroad and forced her to cut ties. Just like that, she was gone. No warning. No goodbye.
Years passed. Jaeyi became a respected doctor, carrying the weight of her past with every decision. Seulgi became a dedicated police officer, hardened but still haunted by the love she lost.
Fate throws them back into each other’s lives.
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jeju island - IV by samisome2
Fandoms: 선의의 경쟁 | Friendly Rivalry (TV), 선의의 경쟁 | Friendly Rivalry (Webcomic)
15 Jun 2025
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Jaeyi finally keeps her promise and takes Seulgi diving
- Seulgi - She called seriously, finally seeing her look at her with eyes of false misunderstanding.
- Hmm?
- Did you put on sunscreen? - She asked without waiting to run her index finger over the woman's cheeks- Language:
- English
- Words:
- 9,794
- Chapters:
- 1/1
- Kudos:
- 24
- Hits:
- 369
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Have you underneath all of my beliefs by Cheezicakes
Fandoms: 선의의 경쟁 | Friendly Rivalry (TV)
15 Jun 2025
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Safe?
The word echoed in Seulgi’s mind like a joke she couldn’t laugh at. What did that even mean? She couldn’t remember a time she had ever felt that way. Not at the orphanage, not in that town, not in her own skin. The idea of safety was a concept someone else lived with, one she only saw in other people’s lives—on TV, in books, in the careful way someone once looked at her, long ago. And now, here it was again.
Jaeyi’s gaze.
Soft. Steady. Unthreatening.
And terrifying.
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Seulgi’s life was going exactly as planned: work, no relationships, and minimal drama. Then she had a casual fling with Jae Yi. And now, somehow, life’s throwing her a curveball with some major pregnancy news.
Or
Where Seulgi got pregnant, and Jae Yi is, unfortunately, a co-contributor.
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Seulgi agreed to be Yeri's fake girlfriend for her family's Christmas party, all in the name of helping Yeri win back her ex.
But what Seulgi didn't expect was an old love of hers to also be in said Christmas Party.
Or
Seulgi's trying to survive another Christmas without getting her heart broken. (Again.)
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Yoo Jaeyi is a top-tier lawyer at her father’s firm, raising her four-year-old niece and juggling wedding prep duties for her best friend. Woo Seulgi is her opposite in every way — quiet, rigid, a rival from another firm with a sharp mind and colder gaze.
They’ve been thrown together to help plan a wedding. They disagree on everything. And unfortunately, they’ve promised to keep showing up.
Between vendor meetings, florist battles, and the chaos of one very observant child, their reluctant partnership starts to shift. Slowly. Unexpectedly.
Love wasn't in the brief. But neither of them are good at backing down.
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Jaeyi, Yeri & Kyung have been best friends since school. They've done everything together — until now when yeri and kyung move out to a post apartment, Jaeyi finds herself alone and looking for a roommate. Coincidentally she finds a "roommate wanted" listing in the same apartment as her friends.
That's when she meets Woo Seulgi. An auditor who keeps to herself and beleives that all relationships are transactional.
Through this tenancy agreement, both of them realise that they could teach other what it means to live...and perhaps even love.
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Jaeyi is the CEO of a well-know agency. Cold, smart and manipulative, she succeed to prove her father her worth. She got married, had a daughter and a successful career, everything that Taejoon planned for her worked.
Expect at two points.
Her divorce.
Her signing a contract with her daughter's favorite actress, Woo Seulgi.
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X => Dosiefairy -
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friendly rivalry has ended and this is my way of keeping the characters alive.
here’s my oneshot compilation of Yoo Jaeyi & Woo Seulgi because i already miss them.
hope y’all enjoy! -
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Seulgi is a shy and introverted girl who has problems with her boyfriend and with sex. Her friends organize a weekend for her in the company of a really special escort.. What will happen during the weekend? Will Seulgi open up to the world of sex?
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AU where Seulgi is friends with Yeri and Kyung (both have bfs in this story) and Jaeyi is an intersex escort. (G!P Jaeyi)
Disclaimer: this story contains an intersex character. Read at your own discretion.
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What if the timer of the blind date booth was still running when Ye-ri entered to charge the phone and Kyung was still on the other side?
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a one-shot story set after the end of friendly rivalry, when seulgi received the gift from jaeyi
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Universe 57 by bailey0213
Fandoms: 선의의 경쟁 | Friendly Rivalry (TV), 슬기로운 의사생활 | Hospital Playlist (TV)
14 Jun 2025
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Summary
In Universe 57:
Seulgi never walked the halls of Chaehwa Girl’s High.
Jaeyi never plunged into that icy river at eighteen.Here, they meet at twenty-six—
two first-year residents, strangers in white coats,
their lives a collage of what-ifs and almosts.But some things transcend universes:
the pull of fate, the weight of a gaze,
the certainty that their souls
would always find their way to collide.Series
- Part 1 of Multiverse