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Kakashi notices it most when Gai is distracted.
There are other moments, louder ones, easier to romanticize afterward when he is lying awake with his face buried in the pillow beside Gai’s shoulder and his thoughts moving in slow circles around things he would never say aloud. There are moments that belong to the shape of intimacy in obvious ways, with Gai’s broad hand sliding beneath his shirt or fingers curling against the back of his neck while they kiss in the dark, with warmth and breath and the heavy, aching pull of want that Kakashi had once believed belonged to other people entirely. Those moments still undo him. They probably always will.
But the touches that stay with him the longest are usually accidental. The unconscious ones, the touches Gai does without looking.
It starts, perhaps, because Kakashi spent so many years being untouched that his body never entirely learned how to exist around casual affection without cataloguing it like a survival instinct. ANBU had reduced contact to violence, restraint, emergency medical treatment, shoulder checks in crowded hallways, blood on gloved hands. Even before that, touch had often arrived with loss already attached to it, fleeting enough that Kakashi learned not to lean into it while it lasted. A hand on his hair from his father before missions. Rin pressing chakra-bright fingers against scraped skin. Minato resting a hand briefly against his shoulder after long debriefings. Fragments, temporary things.
Gai, by contrast, touches the world constantly.
He braces people by the elbow when he laughs too hard. Throws arms around shoulders. Claps backs hard enough to stagger fully grown men. Ruffles Lee’s hair. Grabs Kakashi by the wrist to drag him through crowded festival streets because he refuses to lose him in the crowd. Sometimes Kakashi thinks Gai experiences affection physically first and emotionally second, as though his body reaches for people before his mind even finishes the thought.
For years Kakashi had endured it with the long-suffering tolerance expected of him, rolling his visible eye whenever Gai draped himself over his shoulders after missions or hooked an arm around his waist during arguments as though physical proximity itself could force Kakashi to concede defeat. Somewhere along the line, annoyance had become familiarity, and familiarity had become dependency so gradually that Kakashi cannot identify the exact moment he crossed into wanting it.
Now he notices every single instance with humiliating precision.
This morning, for example.
Gai is halfway through making tea, sunlight pouring through the kitchen window in thin pale bands that catch in the steam rising from the kettle, when Kakashi wanders in still half asleep and leans against the doorway. Gai glances over immediately, smiling with the easy softness that only exists in private, and reaches out absentmindedly as Kakashi passes behind him. His fingers spread briefly against Kakashi’s lower back, guiding him around the open cabinet door without interrupting his sentence.
That is all.
A thoughtless adjustment, barely even a touch. Kakashi spends the next twenty minutes thinking about it anyway.
The pressure had been warm through the thin fabric of his shirt, broad enough to span nearly the width of his waist, and impossibly natural, as though Gai’s body simply expects Kakashi’s to exist within reach at all times. There had been no hesitation in it, no deliberate affection. Gai had not even looked at him. He had simply known where Kakashi was.
It settles somewhere beneath Kakashi’s ribs and stays there all morning.
Sometimes he wonders whether Gai understands what he does to him. Probably not.
Gai is emotionally perceptive in ways that can feel almost invasive, capable of looking directly through Kakashi’s evasions with terrifying accuracy, but he remains oblivious to certain kinds of power he holds. He has never realized how devastating he can be simply standing too close, all solid warmth and impossible sincerity. He certainly does not realize what his hands do to Kakashi.
Kakashi notices his hands constantly.
They are larger than his own, roughened by years of training, scarred across the knuckles and palms in pale uneven lines that Kakashi has traced with his fingertips in the dark often enough to know them by memory. Gai’s hands are expressive things. Restless, honest. They move when he talks, curl around shoulders, point dramatically toward the horizon during absurd declarations of youth. Kakashi has watched those hands break stone, splinter trees, crack the earth apart beneath the force of opened gates.
And then there are the quieter things.
The way Gai cups the back of Kakashi’s head when he is half asleep and guides him gently against his shoulder without waking him fully. The way he presses his thumb beneath Kakashi’s eye sometimes when exhaustion leaves dark shadows there, smoothing slowly across skin as though he could erase fatigue by touch alone. The way he reaches instinctively for Kakashi’s wrist in crowded places, thumb settling against the pulse point with unconscious familiarity.
Kakashi thinks about all of it far too much.
After missions it becomes worse.
They return late from a border patrol one rainy evening with mud streaked up their legs and the lingering ache of prolonged combat settling into their muscles. Kakashi has a shallow cut across his ribs that he dismissed twice already during the walk home, mostly because he is tired and because Gai’s expression had gone dangerously sharp the second he noticed blood soaking through the side of Kakashi’s shirt.
Now Kakashi sits shirtless on the edge of the bed while Gai kneels between his knees with the med kit open beside him.
This, specifically, is dangerous territory. Because Gai becomes quieter when he is worried.
The usual brightness softens around the edges, concentration drawing his brows together as he cleans blood from Kakashi’s skin with careful efficiency. His fingers are gentler than anyone would expect from a man capable of pulverizing boulders barehanded. Kakashi watches them move in silence while rain taps steadily against the windows.
The cloth drags warm water across his side. Gai steadies him automatically with one hand spread against his waist.
“You should have said something earlier,” Gai murmurs.
“It’s barely a scratch.”
“It required stitches.”
“One stitch.”
Gai snorts softly, unconvinced. His thumb presses briefly against the skin just above the cut before he threads the needle. “You are impossible.”
Kakashi could respond, usually he would. Some dry remark, something lazy and deflective.
Instead he keeps watching Gai’s hands.
The scar crossing the base of his thumb disappears when he flexes his grip. There is dirt still trapped faintly beneath one fingernail from the mission despite the quick wash they did downstairs. His palms are warm. Every touch lands with unbearable precision against Kakashi’s skin, grounding and intimate in ways medical treatment has no right to become.
Kakashi remembers being younger and learning to endure injury by dissociating from it entirely, treating his body as functional equipment rather than something that belonged to him. Pain had become easier once he stopped thinking about flesh as personal. Bruises faded, bones healed, scars accumulated. Survival mattered more than comfort.
Gai ruins that carefully constructed distance constantly, because Gai treats Kakashi’s body like something precious.
Not fragile, never that. Gai understands strength too well to reduce him into delicacy, but there is reverence in the attention he gives him sometimes that Kakashi still does not know how to carry comfortably. As though every wound matters because it happened to Kakashi specifically.
The stitch pulls tight.
Gai’s fingers flatten instinctively against Kakashi’s side afterward, soothing over the muscle there in one absent stroke before reaching for the bandages.
The touch lasts less than a second, Kakashi feels it for hours.
Later that night they lie tangled together beneath damp summer air with the windows cracked open for rain-cooled breeze. Gai is mostly asleep already, one arm heavy across Kakashi’s stomach, breathing deep and even against the pillow.
Kakashi cannot sleep, partly because his side aches faintly beneath fresh bandages, mostly because Gai’s hand keeps shifting in his sleep.
Every few minutes his fingers flex unconsciously against Kakashi’s skin through the thin fabric of his shirt, dragging lightly over his abdomen before settling again. Tiny movements, half-aware, protective in some instinctive animal way that makes warmth spread painfully through Kakashi’s chest.
He stares at the ceiling and, with the quiet inevitability of someone tracing the shape of an old obsession, thinks about Gai’s hands in every form he has ever known them.
He remembers them bloodied and unsteady after the gates, trembling faintly from catastrophic strain even while Gai still reached instinctively for him first, checking for injuries with stubborn concern through his own exhaustion. He remembers the contrast between violence and gentleness threaded so naturally through those hands that Kakashi eventually stopped trying to separate the two.
He remembers long fingers wrapped awkwardly around delicate teacups that always looked absurdly undersized against Gai’s palms, steam curling upward while Gai talked animatedly across cramped kitchen tables late at night. He remembers broad hands settling at the small of his back in crowded spaces, guiding him through doorways and busy streets with unconscious familiarity, as though Gai’s body had decided years ago that Kakashi should move through the world within reach.
He remembers bandages threaded carefully around bruised ribs after missions, callused fingertips ghosting lightly across damaged skin with impossible tenderness for a man built so entirely for combat. He remembers arguments dissolving into silence and the sight of Gai’s hand resting open between them afterward, patient and unwavering, waiting for Kakashi to bridge the final distance himself.
Somewhere along the way, without fully realizing when it happened, Kakashi had memorized every version of them.
There is something deeply unfair about how much affection can exist inside simple contact. The realization sneaks up on him slowly over the course of their relationship: Gai touches him like he belongs there, not possessively and never with the implication of ownership, but with something gentler than that. Certainty. As though Gai’s body decided long ago that reaching for Kakashi is as natural as breathing, something instinctive and unquestioned. Kakashi does not think he will ever stop being astonished by it.
Months later, after a mission leaves Kakashi exhausted enough that his vision blurs at the edges, he falls asleep sitting upright against the engawa with a book open uselessly in his lap.
He wakes sometime near dawn to find Gai kneeling beside him. For a disoriented second Kakashi only registers warmth and the familiar scent of rain and clean soap before awareness sharpens enough for him to notice the hand curved loosely around the side of his neck. Not restraining him, only holding him there with quiet, absent certainty, Gai’s thumb resting just beneath his ear as though it belongs there naturally.
“You were going to wake up sore if you stayed like that,” Gai says quietly.
Kakashi blinks at him, still hazy with sleep. “Mm.”
“You should sleep in the bed.”
The hand remains where it is while Kakashi wakes fully. There are calluses along Gai’s palm, heat gathered at the base of his thumb. His fingers span nearly the entire side of Kakashi’s throat with terrifying ease, pulse jumping steadily beneath skin.
It would be so easy to turn his head slightly and press his mouth against Gai’s wrist. The thought arrives sudden and vivid enough that Kakashi feels heat crawl up the back of his neck.
Gai notices immediately, because of course he does.
His expression softens with immediate concern. “Are you feverish?”
Kakashi nearly laughs.
Instead he reaches up and catches Gai’s wrist lightly before the hand can disappear. Gai stills at once beneath his touch, gaze fixed entirely on him now with that attentive openness Kakashi has never learned to withstand gracefully.
“You keep doing that,” Kakashi says before he can stop himself.
Gai tilts his head. “Doing what?”
“Touching me like…” He trails off, suddenly aware of how impossible this sounds aloud.
“Like what?”
Kakashi considers abandoning the conversation entirely. It would be easier. The old instinct toward concealment still lives stubbornly somewhere inside him despite everything they have built together.
But Gai’s hand is still against his neck.
“Like you can’t help it,” Kakashi says finally, voice quieter than intended.
Something changes in Gai’s expression then, small enough most people would miss it. A slight widening of surprise followed by immediate understanding that spreads slow and bright behind his eyes.
“Oh,” he says.
Kakashi looks away first.
Humiliation prickles beneath his skin unexpectedly fierce. “Forget I said anything.”
Gai’s fingers shift carefully, brushing upward beneath his jaw until Kakashi is forced to meet his gaze again.
“I do not think I can,” Gai says softly.
The sincerity in his voice feels almost unbearable.
Kakashi has survived interrogations without flinching. Faced missing-nin and battlefields and grief sharp enough to hollow him out from the inside. Somehow this remains the thing capable of unraveling him completely: being seen too clearly by someone gentle enough to handle the knowledge carefully afterward.
Gai studies him for another quiet moment before smiling, smaller than usual, something private and unbearably fond.
“I suppose I do touch you often,” he admits.
“Often,” Kakashi echoes dryly.
Gai laughs under his breath. “You say that like it is an accusation.”
“It’s an observation.”
“And how does my excessively affectionate behavior make you feel, rival?”
There is teasing in the question, but tenderness too. Space for honesty if Kakashi wants it.
That has always been the dangerous thing about Gai: he makes honesty feel survivable.
Kakashi exhales slowly. “Distracted.”
The smile deepens.
“Distracted,” Gai repeats thoughtfully, thumb brushing once across the corner of Kakashi’s jaw. “By all of them?”
Kakashi could pretend not to understand. He does not.
“Yes.”
The admission hangs warm and quiet between them.
Gai’s gaze flickers briefly to Kakashi’s mouth before returning to his eye. “I did not realize.”
“You do most of it unconsciously.”
“Hm.” Gai considers this with visible seriousness, as though evaluating tactical information. “That explains why you stare at my hands constantly.”
Kakashi closes his eye briefly in surrender. “You noticed that too.”
“I notice everything about you.”
The answer arrives immediately. Kakashi feels something deep inside him ache open with terrible softness.
Gai leans closer then, movements unhurried enough that Kakashi could pull away if he wanted, and slides his fingers gently beneath Kakashi’s chin. His thumb brushes once over Kakashi’s lower lip, barely there.
Another impossible thing.
Because Gai touches him during kisses all the time, gripping his waist or cradling the back of his head, sliding broad hands beneath his shirt until Kakashi forgets language entirely beneath the overwhelming reality of being wanted this openly. But this is different. Slower now, deliberate in a way that makes every movement feel carefully chosen, Gai watching him closely while touching his mouth with enough tenderness to make Kakashi’s heartbeat stumble unevenly against his ribs.
“Like this?” Gai asks quietly.
Kakashi hates how affected he sounds when he answers. “Yes.”
Gai’s expression turns devastatingly soft, then he kisses him.
The hand beneath Kakashi’s chin remains there the entire time, steady and warm while Gai’s mouth moves slowly against his, all patience and familiar affection sharpened now by awareness. Kakashi feels every point of contact with painful clarity. Thumb at the corner of his mouth. Fingers against his jaw. The roughness of Gai’s palm brushing lightly across skin whenever he shifts closer.
When they finally separate, Kakashi remains very still for a moment because his nervous system appears to have stopped functioning correctly.
Gai looks delighted.
“This explains many things retroactively,” he informs him.
“Please never say retroactively after kissing me again.”
Gai laughs fully then, bright enough to fill the entire engawa with warmth, and slides both hands around Kakashi’s waist before pulling him forward between his knees.
There are very few places in the world where Kakashi allows himself to lean his full weight into another person. Here, he does.
His forehead settles against Gai’s shoulder while strong arms wrap securely around him, broad palms spanning the curve of his back. One hand drifts upward eventually, fingers combing slowly through the hair at the nape of Kakashi’s neck.
That touch nearly destroys him too.
Kakashi breathes in slowly, face hidden against the fabric of Gai’s shirt, and thinks with exhausted fondness that he is probably doomed, because now Gai knows. And Gai, once made aware of the effect he has on someone he loves, becomes impossible about it.
The prediction proves accurate almost immediately.
Over the following weeks Kakashi becomes acutely aware of every new layer of intentionality threaded through Gai’s affection. Nothing dramatic enough to invite comment from others. Most people probably would not notice anything different.
Kakashi notices everything now that Gai has realized exactly how vulnerable he becomes beneath deliberate affection.
He notices the way Gai’s hand lingers fractionally longer at his waist while passing behind him in the kitchen, broad palm settling with quiet confidence against the curve of his side as though reluctant to leave entirely. He notices fingers slipping absently through his hair during conversations, smoothing briefly through silver strands for no reason beyond apparent desire for contact. He notices the slow, intentional press of Gai’s thumb against the inside of his wrist whenever he takes Kakashi’s hand, the touch resting precisely over his pulse as though Gai enjoys feeling the immediate betrayal of his heartbeat beneath skin.
And worst of all, Kakashi notices the subtle shift in Gai’s expression afterward.
The faint amusement that flickers warm and fond around the edges of his smile whenever Kakashi visibly forgets himself for half a second. Whenever his breathing catches slightly. Whenever his attention dissolves completely beneath something as small as a hand at the back of his neck or fingers tracing once along his jaw.
It is profoundly mortifying to be understood this thoroughly by another person.
Kakashi has spent most of his life mastering concealment so completely that emotional transparency began to feel almost unnatural inside his own body. He learned young how to compartmentalize discomfort, affection, grief, desire. How to smooth every visible reaction down into something manageable and controlled before anyone else could notice it forming. And yet Gai dismantles that careful composure with terrifying ease now, simply by touching him with enough patience to let instinct override restraint.
The truly unbearable part is that Kakashi cannot even resent it properly.
Because beneath the embarrassment there remains something softer, deeper, almost painfully warm: the unmistakable realization that Gai treats every reaction like something precious to be protected rather than exploited. The amusement in his expression never sharpens into mockery. It stays gentle and affectionate, quietly delighted by the simple fact that Kakashi allows himself to be affected this openly at all.
Somehow, impossibly, being seen this clearly no longer feels dangerous, it feels cherished.
One evening after training, Kakashi sits shirtless on the floor while rewrapping bandages around his hand where skin split across his knuckles. Gai returns from the shower toweling his hair dry, pauses immediately upon seeing the uneven bandaging attempt, and clicks his tongue in disapproval.
“You are terrible at this.”
“I am perfectly adequate at this.”
“You have wrapped your thumb to your palm.”
Kakashi glances down.
“…Maybe.”
Gai snorts and kneels beside him, taking the bandages gently from his hands. Fresh from the shower, his skin still radiates heat, damp hair curling slightly at the ends around flushed cheeks, and Kakashi watches silently while Gai unwinds the messy wrap and begins again properly. Long fingers move with practiced ease around his knuckles and across his palm, firm enough to stabilize without restricting movement, each touch careful and assured in a way that makes Kakashi’s chest ache unexpectedly.
Kakashi’s attention drifts helplessly toward the concentration in Gai’s expression, the slight furrow between his brows, the careful precision of hands built equally for destruction and care.
“You’re staring again,” Gai murmurs without looking up.
“You’re aware you encourage it now.”
“Mm. I enjoy it.”
The bandage tightens gently around Kakashi’s wrist before Gai smooths his thumb once across the inside pulse point.
Kakashi closes his eye briefly.
“There,” Gai says, finishing the knot. “Better.”
He should let go. Instead his hand remains around Kakashi’s wrist loosely, thumb tracing absent patterns against sensitive skin while their gazes meet in the quiet space between words.
Kakashi thinks suddenly and vividly about every version of touch they have accumulated together over the years. The early roughhousing that once concealed affection too frightening to acknowledge directly, hands fisted in uniforms during arguments, bruising grips while dragging each other out of danger, the familiar weight of supporting injured bodies after battles when exhaustion stripped them both down to instinct alone. Somewhere along the way it had softened into this instead, into domesticity and habit and unbearable tenderness threaded quietly through ordinary days.
He wonders whether Gai understands the scale of what he has changed simply by loving Kakashi physically without reservation. Not sexually, though that too, but in a way that feels more foundational than desire itself. Gai taught him, slowly and without ever seeming to realize he was doing it, that touch could exist without pain waiting close behind it, that hands could reach for him gently and remain there.
Gai lifts Kakashi’s wrapped hand toward his mouth then, pressing a brief kiss against the bandaged knuckles, and the affection in the gesture lands hard enough to leave Kakashi momentarily breathless.
“There,” Gai repeats softly, still holding his hand. “All fixed.”
Kakashi looks at him for a long moment.
Then, because honesty has become easier around this man than silence ever was, he says quietly, “You have no idea what you do to me.”
Gai’s expression shifts instantly, warmth flooding through it bright as sunrise.
“Oh,” he says again, softer this time, like he is still discovering the edges of this truth too. His fingers tighten slightly around Kakashi’s hand. “I think I am beginning to.”
And that, more than anything else, might be Kakashi’s favorite touch of all.