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swooxygen · 4 months ago

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i have been DREAMING and WANTING a kaji ren x hiragi!sister fic for so damn looooong 🤧 AND OMG THAT IS AMAZING!!!!!!! 😭😭😭

a quiet place to land

ren kaji x hiragi!sister reader, wc: 3k, req? yes! find it here.

You know it’s a bad day when Ren Kaji shows up at your front door.

It’s not like you don’t like him. You’ve known him since middle school, back when his hair was still dark and your friends warned you to stay away from that Kaji boy because his temper was unleashed and uncontrolled. You ignored them, stopped hanging around those who refused to see how hard Kaji tried to keep himself sane, and watched the changes happen in him from start to finish.

It’s bad, because Ren Kaji is standing in front of you, and your brother won’t be home for hours.

“Toma isn’t here,” You say upon opening the door. He’s standing on your front stoop, hair a little disheveled and something that looks suspiciously like a fresh set of bruises littering the skin of his cheeks and jaw. Sure enough, one glance at his hands clenched in fists at his sides, you see the skin torn from a fight.

It doesn’t scare you. You’ve been watching your brother get in fights since elementary school. What you are wary of is the fact that something went down, something bad enough to bring Kaji to your door, and Toma isn’t there to help fix it.

“I’m not here for your brother.” Kaji’s voice is harsh, but that’s his normal. You twist your lips to the side, chewing on the inside of your cheek as you study him carefully. His headphones are resting around his neck and he has a lollipop sticking from his mouth, which is nothing of note. You’re more concerned about the way he’s clenching his jaw and how his gaze seems hidden, ducked to the side and refusing to meet your evaluative stare. It’s almost protected. Like he’s worried about you seeing what he’s feeling, despite the fact that he showed up at your house.

And he’s not there for Toma.

You sigh, pushing open your front door wider and leaving him to enter on his own. He’s been over enough times to know the rules of the house, to know how to navigate himself to the living room. You’re suddenly way too conscious of the fact that you’re only wearing a random hoodie you quote unquote borrowed from Toma and athletic shorts you’ve had for far too long.

Not that it should matter. Because under no circumstances can you entertain the idea of anything with Kaji. Nope. Absolutely not.

And it’s not like this is the first time he’s ever come over without intending to see your brother, either. There have been a handful of occasions, like the one you’re currently in, where something happened, where life got too loud, and Ren Kaji found himself on your doorstep wanting to see you.

It’s really no wonder you fell in love with him along the way, honestly.

“Sit,” You throw the order over your shoulder carelessly as you retreat further into the house than the living room, gesturing vaguely towards the couch as you go. Kaji follows your command without fuss, which is just another sign on the long list of red flags he’s already flown that something is wrong. Usually, he’ll grumble out a ‘don’t tell me what to do’ before complying regardless. But now he’s silent, and you’re struggling to put the pieces of the puzzle together.

The first aid kit is well stocked and kept within arms reach in your household. It takes less than a minute to collect it, but by the time you return to the living room, Kaji’s already retreated into the sanctuary of his headphones blaring rock music to drown out whatever was bothering him.

You don’t think anything of it. You’ve known Kaji for years, and you’ve come to understand how to exist in the same space as him without overstepping. Which is why you know enough to grab your own headphones on your way back into the living room, and you busy yourself with connecting them while you settle atop the coffee table directly in front of Kaji’s position on the couch. It’s cramped, but you make it work with your knees slotted between his casually spread legs and a blush burning the tips of your ears.

As soon as your own music starts playing, you set your phone to the side and look to your patient for the time being. He’s staring at you, but you know he’s not really seeing, so you nudge his foot with yours and stick out your hand, palm up and fingers splayed. With the music playing in both your ears, words are useless.

Kaji knows to set his own hand in yours, because he’s been through the routine too many times, too. You’ve lost count of how many nights you patched up Toma and his gang, Kaji included. You’re pretty sure even Sako still knows the drill, and he hasn’t shown his face to you since junior high graduation.

The alcohol wipe stings, but Kaji is already tensing his jaw so tight that he doesn’t show a visible wince. Regardless, you know it doesn’t feel good, so you make quick work of cleaning the torn skin on his knuckles. He watches you work carefully, obediently switching hands without you even needing to tell him to.

The scratches on his face aren’t anything serious, either, so you finish disinfecting in a matter of moments and apply necessary bandages to smooth skin. He’s still watching you carefully, but you know he’s finally seeing, and the recognition that he’s coming back to himself makes you let loose the tension you had been unknowingly holding in your shoulders.

Your mind inevitably drifts while doting on him, and you find yourself studying his face too closely for just simply looking for injuries. Especially when you’re looking at his lips more than his bruises.

He’s still wearing his headphones when you finish packing up the first aid kit, so you know he needs more time until you can bother him about what happened. He’s not running off, which is an improvement from middle school, when he would tug his hoodie over the top of his head to block out the world. Now, he’s drowning out sound while scrolling through his phone on your couch.

The thought makes your cheek twitch with a smile. You know better than to comment on his growth.

Instead, you stand from your seat on the coffee table and return the first aid kit to its rightful home. When you make your way back to the living room, you choose a spot on the couch with a comfortable distance between yourself and Kaji. In place of badgering him, you pull out your own phone and begin to scroll.

There’s no message from Toma about a big fight happening in town, which makes your face twist in silent confusion. Your brother has always been good about warning you about Bofurin’s actions in a bid to keep you away from the trouble. The lack of a text makes you glance at Kaji, trying to piece together how he could’ve gotten so injured without a noteworthy Furin fight having gone down.

But the blond seated beside you offers no answers without you having to dig for them, so you fire off a message to Toma and shut down your phone, tucking it between your leg and the couch cushion. You twist in your seat until you’re leaning back against the arm rest, feet pulled up on the couch to give you something to wrap your arms around and rest your chin on.

You study Kaji’s profile for as long as it takes for him to notice you’re waiting for him. Or maybe, for as long as it takes for him to work up the resolve to take off his headphones. He sets them on the coffee table, and you know that means he’s ready to talk.

“Thanks,” He mumbles out to break the silence. You’ve never known Kaji to be an overly talkative person, so you take the opportunity he’s given you with both hands and ask the question that’s been bugging at you since he arrived.

“So, who’d you fight this time?” You keep your voice light, non-accusatory. You’ve never loved all the fighting, but you know they’re doing it for a good cause. And you also know Kaji is too good of a guy to get in fights for no reason.

“Dunno their names.”

Kaji shrugs, attention fixed on his abandoned headphones on the coffee table. Now you’re confused, because there’s something far worse than a regular fight wrong with him. He can handle scraps with random troublemakers on his own, without needing to see you. Something about this fight in particular is bothering him.

“Kaji,” You try again, a bit more forcefully. He finally looks at you, but he’s just as quick to glance away. You frown, and shift further down the couch until you’re directly next to him, your sock clad feet only a few inches away from his leg. Part of you thinks you see the tips of his ears start to turn bright red, but part of you knows that would be ridiculous. “What happened?”

There’s a telltale crack as Kaji’s jaw clenches over the lollipop he’s been savoring since before he arrived. His face is stony, completely giving away the fact that whatever did go down before he arrived at your door was bad.

“I really don’t know their names. But they were wearing the uniforms from your school.” He explains, though it sounds like it’s taking a lot for him to get the words out. Like each one has the same feeling as poking at an unhealed bruise. Your face twists in confusion, but you stay quiet, hoping that encourages him to keep talking. “They had some stupid shit to say.”

“About you?”

“About you.”

“Oh,” You’re not sure where to take the conversation from there. Toma has always told you that you’re too headstrong for your own good, which you never thought was a bad thing. You’re not oblivious to the fact that some of your classmates don’t like you, but you never thought that they would talk so poorly about you that Kaji would fight them.

It makes a heavy weight settle in your chest, and you look away from Kaji with a frown anchoring the corners of your lips downwards. You wonder what they said, if the boys he’s talking about actually knew you.

There’s a few unsavory thoughts running through your mind, but you’re abruptly dragged back to reality when Kaji nudges your shin. You know you’re still frowning when you glance at him, but it all melts away to surprise when you see what he’s offering you.

It’s one of his lollipops. The peach kind, too, and distantly you think that he said one time that those were his favorite. It makes your throat tighten and your sinuses clog with emotion you really hadn’t expected to feel when you opened the door twenty minutes earlier.

“Thanks,” You sigh as you take the candy. The shake to your voice is hard to ignore, but Kaji is good enough to not comment on it. You’d almost think he doesn’t notice the way your eyes are a bit shinier than usual, but the candy he’s offering is proof otherwise. “You didn’t have to do it, though.”

“Huh?” He’s turned fully towards you, now, and it’s hard not to burn up under the total weight of his attention. Most days, you’d love to revel in his focus, but now it feels too hot, too close to something you’ve never been brave enough to address.

“You didn’t have to fight those boys just ‘cause I’m Toma’s sister,” You clarify, voice quiet and close to shattering. It’s the only reason you can think of that explains why Kaji would bother dealing with some random assholes. You busy yourself by popping the gifted lollipop in your mouth, savoring the taste of peach on your tongue, folding the wrapper into a neat triangle, then half it again.

Under different circumstances, it would be almost amusing to watch him process what you’re saying. It’s almost like his brain stutters, then stalls, before needing to reboot and start over. You watch as flashes of confusion shine in his eyes, then disbelief, before finally settling on annoyance.

“You stupid or something?” He asks, and you snap out of your self-pitying to glare at him, mouth already open to retort with your own insult by the time he barrels on. “I didn’t do it ‘cause of your brother. I did it because I like you, a lot, and those assholes don’t get to talk about you like that.”

You’re still a little pissed off at the stupid comment, so it takes you longer than it typically would to realize he just confessed to having feelings for you.

In the stretch of silence you foolishly let build after his admission, Kaji groans and reaches for his headphones to hide from the world again. His blush is crawling up his neck, and all you can think about is how adorable you find it as you hand shoots out to grab his sleeve.

His focus snapes to you the moment your touch finds his sleeve. He’s frozen, half leaning forward to grab his headphones off the coffee table. You’re convinced that one wrong move will send him flying out the front door and avoiding you forever.

“You’re really shit at this kind of stuff.” You find yourself saying before you can think about it. It falls under the category of a wrong move that will send him flying out the front door, but you’re holding the sleeve of his sweatshirt so tightly he can’t go anywhere without dragging you with him.

“Just forget it.” He grumbles, a glare he doesn’t mean fixed on something over your shoulder. You can’t help the way your grin finally breaks free, but he misses it by avoiding your gaze.

“Now you’re the one being stupid.” You tease. “The guy I like just beat up bullies I didn't know I had and confessed his feelings for me. I’m not just going to forget it.”

You’re leaning closer towards him now, hoping he’ll get the hint that you want him to kiss you. The lollipop is plucked from your mouth, held by the stick in your hand that isn’t currently bunched in the fabric of his sweatshirt. You think you’re inching closer towards your goal when you spot his gaze tracking the way your tongue darts out to wet your peach flavored lips.

“Your brother—” He starts, but you’re quick to interrupt.

“Now it’s finally about Toma.” You tease with a playful roll of your eyes. “My brother loves you. And he trusts you, too. He’s not going to be bothered by us.”

Kaji’s ears burn impossibly brighter at the mention of an us, which makes you grin and lean even further into his space. This is so not the direction you thought your afternoon would go, but you’ll take it.

He’s quiet for a moment longer, so you decide to give him another nudge, another tease that will hopefully push him over the edge towards action.

“If you really want, we can call Toma and ask—”

You’re interrupted by his hand suddenly cradling your jaw, angling your face just right in the seconds before his lips crash against yours. It’s a little sloppy, a little inexperienced, but it makes your head feel dizzy all the same. You press towards him the moment you get your bearings, desperate to show him how much you care for him.

It’s nearly embarrassing how breathless you are after the kiss ends. But Kaji’s panting too, so you know you’ll be alright. Your smile is a little dazed, but there’s no way for you to miss the determined look in his eyes.

“I owe your brother so much, but it’s never about him for me. It’s always you.” There’s a weight to his confession that you’re not quite sure how to unpack. Kaji has idolized Toma for years. But to think that as deep as that devotion goes, Kaji’s commitment to you goes deeper—

You’re not sure what else to do but kiss him again.

It’s shorter than the first kiss, but no less meaningful. You see the way he’s blushing under your touch, your attention, and you wonder how you went so long without drawing that reaction from him. He’s too adorable, and it makes you decide that you’ll do whatever it takes to keep him blushing, always. You’re smiling, and it’ll take a lot to keep you from doing so.

“We still have to tell my brother, you know.”

“Don’t remind me.”

+ bonus

“Have you heard from Kaji lately? Word is he got into a brawl in town and no one’s seen him since.”

Toma Hiragi groans at his vice captain, reaching into his jacket for both his phone and stomach medicine. It’s one thing for Kaji to get into a fight while on patrol, but it’s another to disappear after.

He pops a gaskun-10 pill into his mouth while opening his phone. There’s no texts from his underclassman, but he has one from you, his younger sister.

Kaji showed up at the house. I patched him up but he seems off. I’ll talk to him and figure it out. Oh, and get me that bread Ume was talking about before you come home.

Toma huffs at your text before turning off his phone and shoving it back in his pocket. He doesn’t actually remember what bread Umemiya recommended to you, so he’ll have to ask and endure a ten minute lecture on bean sprouts.

But you’re cleaning up Kaji for him, so it’s the least he can do.

“Kaji’s fine.” Toma explains to the small crowd of Bofurin that had gathered while waiting to hear about their teammate’s whereabouts. “He’s with my sister. She’s taking care of him.”

And maybe you’ll put him out of his misery and finally admit you’re in love with each other.

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