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ylangelegy · 26 days ago

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collision course 🏁 sunwoo x reader.

“I know what it was,” said Kim Sunwoo, strolling up with the unshakable confidence of someone who didn’t yet understand how much trouble he was about to cause. The young mechanic had a smirk plastered on his face, the kind that made Jeonghan instinctively want to flee. (Full Throttle, diamonddaze01)

or: sunwoo knows a lot of things about cars, but girls? a whole different story.

★ ferrari mechanic!sunwoo x race strategist!reader. ★ word count: 3.1k ★ genre/warnings: alternate universe: non-idol, alternate universe: formula one. fluff, feelings realization/denial, confessions, car terms. alcohol consumption, swearing/cussing. sunwoo has a crush and is lame about it. i know nothing about f1/cars and relied heavily on google— so help me, god. (if anything is wrong/off? we ball.) ★ footnotes: this is a self-indulgent, belated christmas gift for @diamonddaze01, because seeing a sunwoo cameo in her ferrari!jeonghan fic was an absolute treat. in her words, "had to bring my other man in here somehow."

At speeds over 150 km/h, the aerodynamic downforce generated by an F1 car is enough to keep it adhered to a ceiling— theoretically allowing it to drive upside down.

It’s a stupid fun fact that Sunwoo likes to keep in his arsenal of pickup lines. He’ll be in a new city, grabbing drinks with the garage technicians and pit crew members, and he’ll pull that little nugget of information out of his sleeve with a winsome smile to boot.

“Wanna hear something cool?” he’ll ask his victim of the night, gesturing for them to lean in closer so he can be heard over the thumping music.

His success rate with the fact is at a solid 83%, which isn’t bad.

Would be nice if it could work on you, though.

Of course you wouldn’t be impressed with Sunwoo’s technical F1 knowledge. You had your own array of race tactics and data analysis, always knowing just how to make the car’s performance fit within the larger race context.

You were brilliant, productive, and ruthless. The brain behind the brawn of the indomitable Scuderia Ferrari.

Sunwoo is reminded of it now as he leans over the hood of the SF-23, his brow furrowed with concentration. He catches your eye from across the garage.

“Hey, strategist,” he grunts out, and you approach gingerly to see what he’s griping about.

Once you’re by his side, he asks, “You sure about this tire strategy? Softs at the start? I don’t know if we’ve got the grip for that, especially in this heat.”

Your expression remains perfectly neutral as you respond. “I’ve run the numbers,” you say. “The tire temps on the softs will be optimal. We can manage the degradation. The first few laps will be crucial, but we’ll have an advantage after that.”

An advantage. Sunwoo lets out a derisive snort.

“We’re talking about a five-second difference in lap times, and track conditions are ass,” he argues, wielding the wrench in his hand as he speaks. “One wrong move? We’re out of contention. I’m telling you, we’ll burn through those tires too fast.”

“And I’m telling you, I know the risk.” Your tone is unwavering as ever, like you’re far too used to your decisions being questioned by hard-headed mechanics like Sunwoo. “I also know the reward. Trust the data.”

There it was. Your go-to catchphrase. Trust the data.

In the years that Sunwoo has worked alongside you, he can no longer count on two hands the amount of times you’ve thrown him that line. It was your way of getting him— and everyone else— to shut up, and he’d be damned if he tried to push back on it now.

“You’re the boss,” he mumbles as he goes back to checking the car.

In the corner of his eye, he sees the slight twitch in your jaw, as if you’re contemplating saying something more. You seem to decide against it, instead choosing to walk off with your chin held high. Maintaining faith in your own numbers, in your very credo of trusting the data.

Sunwoo shakes his head to himself. He can feel the pull of his gut, but your confidence is hard to ignore.

It quickly becomes apparent that your conviction— and your blasted data— are not misplaced. The softs perform better than anyone had anticipated. By the time the race is nearly halfway through, your tire strategy is pulling ahead.

The radio crackles to life with Sangyeon’s voice. “You’re going to need to hold your ground now,” the race engineer says. “Great call on the softs.”

Sunwoo huffs out an exhale. Honestly, he doesn’t even know why he still tries at this point.

You materialize at his side wordlessly. At first glance, there’s nothing in your expression that might give away what you’re feeling or thinking. But Sunwoo has known you long enough to recognize the upward arch of your eyebrow, the amused purse of your lips.

I told you so, you’re saying without saying, and he can’t help the way that it makes him laugh.

“Yeah, yeah,” he grumbles, running one hand through his sweat-slicked hair. “You were right. Trust the data.”

“Trust me,” you amend with a knowing smile.

Sunwoo doesn’t quite know why, but something about your subdued smugness bowls him over. You’re already wandering off to check the timing board before he can grasp one of his witty remarks, leaving him at a rare loss.

It was the strangest thing to admit, but he found himself wanting to be harmlessly wrong again— if it meant seeing that look on your face once more.

An F1 car can theoretically drive upside down. In the same vein, you’ve not-so theoretically tilted Sunwoo’s world on its axis.

F1 tires can reach temperatures of over 120°C during a race, which is necessary for optimal grip.

Sunwoo is no stranger to heat. His job has taken him all over the world, has put him through the sweltering temperatures of Bahrain and the merciless climate of Brazil.

He’s learned how to handle those.

Hot people, however?

You’re several paces away from Sunwoo, your fingers wrapped around the neck of a beer bottle. There’s a lot of celebration in this middle-of-nowhere Austin bar, especially after Jeonghan finished P1. But Sunwoo can’t be bothered to care about his intoxicated fellow crew members.

Not when you’re dressed like a cowgirl— a fringed vest, a leather hatband, and a goddamn hat.

Was the bar a cowboy-themed one? Yes. Was Sunwoo prepared to see you in something outside of your usual race-day attire? Not quite.

He’s in the midst of untangling his complicated web of thoughts when you catch him staring. He looks away a second too late, because you’re rounding on him mere minutes later.

“Never seen a strategist in a hat before?” you drawl, your attempted accent so horrendous that Sunwoo can’t help but bark out a laugh.

Play it cool, a voice says in the back of his head as he leans on the bar counter.

“Didn’t think anyone could pull it off. Especially you,” he teases.

You sip from your beer, your eyes never leaving his face. Something about the action makes Sunwoo’s breath hitch.

“Yeah? Thought I was all numbers and charts?” you shoot back, the lip of your bottle resting over one corner of your mouth. It’s a sight that’s going to burn itself into Sunwoo’s brain for weeks, he’s sure.

“I mean, you do spend most of your time with a headset on, looking like you’re about to break down tire strategies. Not…” He gestures vaguely to your get-up. “Whatever this is.”

You laugh, and the sound catches him off guard. It’s low and easy, like you’re genuinely enjoying this. The two of you had always worked in close coordination, but light moments were rare in your high-stakes positions. “I can do both. Multitasking is my specialty,” you say breezily.

Something about your tone— confident, but with just enough challenge— makes Sunwoo’s heart beat a little faster. “Well, if you can multitask,” he says, trying to keep it light, “I guess you won’t mind helping me figure out how to not make a fool of myself right now.”

There’s the ghost of a smirk on your face. “You’re not making a fool of yourself. Not yet, at least.”

“So you’re saying there’s still time?”

“Maybe. Depends on how much you want to embarrass yourself.”

It’s a bit dizzying, how fast-paced this conversation is going. As much as Sunwoo would like to blame it on the alcohol, he knows it runs a little deeper than that.

“You’re drunk,” he says for the lack of a better thing to say. The rest of his sentence goes unspoken: You’re drunk, and that’s the only reason you’re bantering with me like this.

“Maybe a little buzzed, but I’ve got a clear head,” you answer. When you go on, your voice is pitched just low enough that he has to lean in a bit more to hear you.

“You’re not exactly subtle, you know,” you note, and Sunwoo briefly considers making a run for it then and there.

The air suddenly feels too warm, too thick. He tries to laugh it off, but it comes out a little strangled. “I have no idea what you’re talking about.”

“Those little glances,” you say, flicking your eyes over him in a way that makes him painfully aware of every inch of his body. “You were checking me out, Kim.”

“Was not.”

Crap, Sunwoo thinks as the answer comes out of him a little too fast, a little too defensive.

He backtracks. “I was just—”

But then you do that again— sipping your drink while staring directly at him— and the words hitch in his throat. He’s caught. Completely.

The flirtatious, suave Kim Sunwoo is in over his head, just because his team’s race strategist deigned to toy with him.

What a joke.

“You’re just?” you prompt, the slight grin on your face giving away the fact that you know what effect you had on him.

Sunwoo tongues the inside of his cheek. “I was just trying to get my head on straight,” he finally says.

He’s not used to being on the back foot. He’s always held his own in situations such as these, and yet here you are— subjecting him to a sudden, wild rush of feeling with a few choice words and moves. His mind is reeling over the fact that this is how lethal you are tipsy. How much more if you were sober?

A corner of your lip curls just enough to be dangerous. “Well,” you say, almost too casually, “looks like your head’s all over the place now, huh?”

There’s an unfamiliar heat blooming in his chest, one that burns far more than any tire blanket.

“Yeah,” he grumbles in response. “No kidding.”

An F1 car— including its driver— weighs around 740 kg, with the car itself weighing just over 700 kg.

Remaining lightweight is crucial to any car’s victory. Sunwoo’s job demands that he maintain the steadiness of things, never sacrificing safety for durability and vice versa.

He keeps his hands steady as he fastens the car’s bolts one more time. The hum of the garage surrounds him, a familiar rhythm that he could work in with his eyes closed. It’s in moments like this that he feels most at peace. When the noise fades into the background, when the weight of everything else in his life feels distant.

Except the weight isn’t distant today; instead, it’s in the same room as him.

You’d laughed at his joke earlier. Some stupid wisecrack he made about Mingyu of McLaren. He doesn’t even remember what he said anymore, because the sound of your giggle had just emptied out his brain.

Sunwoo wipes his hands on a rag, shaking his head. Focus, he mentally chides himself. There’s a job to do. There’s always a job to do. You have to—

“Hey, Kim.”

Well, so much for that.

His gaze snaps up to where you’re standing by the garage door. You have your arms crossed in front of you, and there’s a slight frown on your expression.

“What’s got you distracted?” you ask point blank. “You’ve been off all morning.”

Busted. Sunwoo almost wants to laugh at just how absurd this whole situation is. How did he ever think anything would get past you?

He tries, still, to brush it off. “I’m fine,” he says as evenly as he can manage.

You step closer, your gaze narrowing as you look him over. For a second, Sunwoo feels like you can see right through him.

“You’ve been quiet,” you point out. “And usually you never shut up.”

He raises one hand over his heart, feigning like he’s been wounded. That at least draws a small chuckle from you, but you don’t look like you’re going to back down any time soon.

“I’m just focused,” he says. “Gotta keep everything in balance, am I right?”

“Balance,” you repeat with amusement. “That’s your thing, isn’t it?”

Sunwoo could praise the heavens at the opportunity to veer the topic into safer waters. He snatches up the opportunity, immediately launching into an enthusiastic ramble of, “Yeah. It’s all about maintaining the right weight. The right balance between power, handling, and fuel efficiency. Gotta make sure nothing’s out of place, or else the entire thing could fall apart.”

Really, he should’ve known better than to think you would let him off easy.

“And yet, here you are,” you say in a way that makes him feel like you’re playing a different kind of game now. “Completely off-balance yourself.”

Damn it.

You’re not talking about cars anymore. Hell, you’re probably not even just talking about how preoccupied he’s been. Everything from the glint in your eye to the teasing edge in your voice promises trouble, threatens to read him better than any book.

“I guess I’m a little bit off-balance,” he admits, the confession escaping him before he can reel it in. “But I’m getting used to it.”

You give him a long look, something unspoken passing between you. Then, without warning, you smile— something soft, almost shy, and Sunwoo forgets his damn name.

It’s like a weight he’s been carrying for so long has suddenly lifted, even if just for a moment. A glowing sort of warmth spreads through him, light and freeing.

“You’re not the only one,” you muse, your tone almost thoughtful now. “We all are. Maybe that’s what makes us good at what we do. We’ve learned how to keep our heads straight even when everything else is... a little out of whack.”

What is this ��we’ business, Sunwoo almost teases you. The undercurrent of your words has him thinking this conversation has nothing to do with the state of the garage, but everything to do with whatever weird tension has been crackling between you two.

The truth is, he's never felt this light before. The weight of his feelings for you, the tension in the pit of his stomach, feels like something he’s been carrying around for ages— but right now, in this fleeting moment of understanding, it’s like the air has cleared. He doesn’t know what to do with it, but he knows it’s there. This strange, giddy feeling thrumming below his ribs.

“Yeah,” he says, his voice a little steadier. “I guess we make it work.”

Surprisingly, he’s not worried about getting things right. He’s not thinking about the balance of power or how much he can handle before breaking.

All he knows is that in this moment, with you standing in front of him, the weight he’s been carrying feels a little more like something he can handle.

Maybe it’s the start of something. Or maybe it’s just a crush.

Either way, it leaves him feeling light.

A well-executed pit stop takes less than two seconds, with each mechanic trained to handle their specific role.

Over the years, Sunwoo has steeled himself to the pressures of being precise, of being steadfast and reliable under the world’s most insane time crunch. Every millisecond counts. He knows that better than anybody.

He’s done this a thousand times, and each movement is like a second nature. The tires are off, the new ones are on. The fuel is topped up. The car is ready to go.

Soonyoung’s car is on its way again, speeding off into the distance. Flawless, just like always.

Sunwoo lingers, his eyes drifting to where you’re standing. He lets out a long breath, shaking his head slightly. It’s getting harder and harder to ignore how he feels whenever you’re near. And for reasons he can’t quite pinpoint, it’s only grown more unbearable.

Every second he spends just working with you is like another fleeting moment, ticking away before he loses the courage to say anything.

You’re reviewing data on your tablet, and so you don’t notice him right away Sunwoo coming up to you. When you look up, there’s the slightest shift in your expression. The smallest softening.

“Nice work,” you say coolly. There’s something almost fond in the way that you look at him, and it has him feeling like he’s on shaky ground.

“Thanks,” he says, trying to sound casual. He knows he’s not fooling anyone, least of all you. He runs a hand through his hair, a nervous gesture that he’s sure makes him look more like a mess than the reliable mechanic he’s supposed to be.

There’s a brief silence between you, the sounds of the garage fading in the background. The team is starting to disperse, moving onto their next tasks, but Sunwoo can’t seem to shake the weight of the moment. The pressure of the milliseconds, the years of perfecting his craft, feel insignificant compared to the one question that’s been gnawing at him for weeks.

If he’s learned anything from his driver friends, it’s that hesitation can cost you everything.

“Listen,” he starts, his throat suddenly dry. He forces the words out before he can second-guess himself. “There’s something I’ve been meaning to ask you.”

You tilt your head to one side. A wordless encouragement of go on.

Sunwoo takes a deep breath, his hands still clammy despite the cool air of the garage. He’s never been good at this. Not the racing, not the work on the car, but this— this thing that’s been building up between the two of you.

“I know we’re both busy, but… after the race, I was wondering if you’d want to grab coffee with me. Like, outside of all this.” He gestures vaguely at the cars, the people, the entire race track that’s been your shared world for so long. “I’d, uh, like to spend time with you. Not as part of the team. Just... us.”

You blink up at him, processing the words. For a second, he’s sure he’s just made a fool of himself. Maybe he’s misread every sign. Maybe you’ll just laugh it off.

But then you smile. A slow, genuine smile that makes his heart skip a beat.

“Finally,” you exhale, and Sunwoo doesn’t have the room to press you on what you mean because you hit him with, “I’d like that, Sunwoo.”

So this is what it feels like, Sunwoo thinks, to finish P1.

“Great,” he stammers. “I’ll see you later, then.”

“Later,” you echo, your tone teasing but soft. “Looking forward to it.”

Sunwoo steps back, nearly knocking into a tool box as he tries to take his leave. You don’t care much for his less-than-gracious exit; in fact, it makes you laugh a little, and it only makes him feel giddier than ever. It’s like a pit stop in the middle of a race— short, but thrilling, and completely worth it.

Every millisecond does count.

And for once, he feels like he’s made the right choice with the time he’s spent.

🏎️ end notes: fan fiction of fan fiction? likelier than you think. if you love formula one and seventeen, you're bound to enjoy tara's ferrari!jeonghan piece, full throttle (part one & two). and to tara: this is insane. we have to stop exchanging fics like they're christmas gifts. <3 you.

#sunwoo x reader #sunwoo imagines #sunwoo fanfic #the boyz x reader #tbz x reader #tbz fanfic #the boyz fanfic #sunwoo fluff #the boyz fluff #tbz fluff #( diabolical that this is dropping mere moments after 'bad for business' ferrari jeonghan. )#( tara. i'll end it all. )#(💎) page: svt #(🥡) notebook

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