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Exothermic Reaction

Summary:

Valko is a certified genius when it comes to theoretical organic chemistry, but a complete, trembling virgin when it comes to hands-on practice

Notes:

hello halo hi loves<3

after feeling like i was in the highest stage of copium after Valko's cancellation, i finally found the strength n motivation to write something with him. Valko as a virgin IS MY EVERYTHING

p.s: i am not responsible for the accuracy and correctness of the chemical processes and reactions mentioned, as i am bad at chemistry. I hope this will not bother u :P

please enjoy my perverted mind, sending love&peace to y'all;3

Work Text:

Valko had always been the anchor in your chaotic academic life, though neither of you would ever openly admit how much you depended on each other. You had been friends since your freshman year, bonded by shared late-night dinner runs, terrible campus coffee, and a mutual, unspoken understanding that transcended words. But while you scrambled through the general curriculum, Valko excelled with terrifying, effortless ease, especially in the natural sciences. His mind was a sharp, analytical instrument – a labyrinth of formulas, logic, and cold precision. Yet, the moment you stepped into his orbit, that sharp edge always softened into something warm, protective, and intensely focused entirely on you.

For the past few months, a quiet, suffocating tension had been building between you. It was hidden in the details: the way his gilded eyes lingered on your face a second too long when you laughed, the way he instinctively placed his hand at the small of your back to guide you through crowded hallways, and how you found yourself tracking the elegant movement of his hands instead of the lecture slides. When you finally hit a breaking point with your advanced organic chemistry course, Valko didn't even hesitate. He immediately cleared his hectic schedule, offering to tutor you in his dorm room. He claimed he just couldn't stand watching you stress over upcoming exams, but the truth was much simpler, burning quietly beneath his calm exterior: he wanted you close, and any excuse to have you entirely to himself was one he would eagerly seize.

The storm outside lashed violently against the windowpane of his dorm room, blurring the campus lights into distant, bleeding streaks of gold and gray. Inside, the world was reduced to the two of you. The only illumination came from a single, heavy brass desk lamp, casting a warm, amber glow across the cluttered surface of his wooden desk. The room smelled faintly of old paper, rain, and the clean, sharp scent of his cologne – an intoxicating blend that made it increasingly difficult for you to think straight.

Valko leaned over your shoulder, his broad chest nearly brushing your back as he pointed a sleek black pen at your notebook. His physical presence was overwhelming, a solid wall of heat right behind you.

"You're losing the mechanism on the third step," he murmured. His deep, gravelly voice vibrated right against your ear, sending a sudden, electric shiver straight down your spine. "Look at the nucleophilic attack here. We are dealing with an Sn2 reaction – substitution nucleophilic bimolecular. It doesn't happen in stages. It happens in a single, concerted step."

He pulled a blank sheet of paper closer, his long, slightly scarred fingers deftly sketching out the chemical structures with practiced grace.

"The nucleophile attacks the electrophilic carbon from the backside, exactly 180° opposite to the leaving group," Valko explained. His tone was measured, trying desperately to maintain his usual academic composure, but you could hear the subtle, shallow catch in his throat. "Because of that backside attack, you get a complete inversion of stereochemistry at the carbon center. Think of it like an umbrella flipping completely inside out in a strong wind. The old structure collapses to make way for the new."

You tried to focus on the transition state ‡ he was drawing, but the sheer proximity of him was suffocating. Every time he breathed, you could feel the rise and fall of his chest against your shoulder blades.

"So..." you started, your voice dropping a little softer, turning your head slightly so you were looking up at him from beneath your lashes. "The leaving group has no choice? It has to break away entirely as the new bond forms?"

"Exactly," Valko said, his pen hovering just millimeters above the paper. He slowly turned his head to meet your gaze. At this distance, the analytical brilliance in his eyes was completely clouded by something much darker, much more intense. The mask of the patient tutor was slipping. "Everything happens simultaneously. One bond breaks, another forms. A perfect, violent exchange of energy. If the collision is strong enough, the change is permanent."

"And what happens if the barrier is... too high?" you asked, intentionally shifting in your chair. You turned your entire body toward him, shrinking the remaining distance between you until your knee firmly brushed against his thigh under the desk.

Valko stiffened instantly, his muscles locking under his dark jeans at the sudden contact. His gaze dropped heavily to your lips, tracking the small exhale that escaped them, before snapping back up to lock onto your eyes. The air in the room suddenly felt incredibly thick, heavy with an unsaid, volatile reaction that had been brewing between two best friends for months.

"If the activation energy is too high," Valko whispered, his voice dropping an octave, completely abandoning the textbook explanation as his fingers tightened around the pen, "the reaction stalls. It remains inert. Unless... something changes the environment completely. Unless the internal pressure becomes too much to ignore."

"Is it?" you murmured, daring to take a step further. You reached out, your smaller hand sliding over his on the desk, your fingers gently wrapping around his knuckles, effectively stopping him from drawing any more structures. "Is the pressure too much, Valko?"

The pen slipped from his grip, rolling across the desk and clicking against a glass beaker. The clatter of the pen rolling across the desk sounded like a gunshot in the quiet room. Valko didn't look at it. His light eyes flared with a sudden, raw hunger, his chest heaving as he stared at your hand on his, then back up to your face, realizing exactly what you were doing.

For a long, agonizing second, Valko stared down at your hand wrapped around his knuckles. You could feel the rigid tension vibrating through his frame, the way his muscles locked beneath your touch like a coiled spring under immense load. The analytical genius who always had an answer for every complex equation was suddenly, completely paralyzed by the simple warmth of your skin. It was a moment from his dreams, but he was clearly not prepared for it to happen right now.

"You're not looking at the notes," he said, his voice lower now, rougher around the edges. He tried to pull his hand back – a faint, desperate attempt to reestablish the safety of the boundaries you had shared for years – but it was half-hearted at best. His fingers barely twitched beneath yours.

"I don't care about the notes, Valko," you whispered, your thumb tracing a slow, deliberate circle over the back of his hand. "And neither do you."

Valko let out a sharp, ragged breath through his nose. His jaw clenched so hard a small muscle leaped in his cheek. He slowly turned his head fully toward you, his eyes wide, searching your face with a mixture of profound longing and sheer, unadulterated panic. The sheer intensity of his gaze was staggering; it was the look of a man watching his entire structured world catch fire, unable to move a muscle to put it out.

"Do you have any idea whatcha doing...?" he asked, the words stumbling out of him, uncharacteristically breathless. He swallowed hard, his Adam's apple bobbing convulsively. "We're... we are supposed to be studying. You have an exam on Friday. If you don't pass this module—"

"Valko." You cut him off softly, leaning in closer, close enough that the heat radiating from his skin washed over your face. "Forget the exam."

"I can't just forget it," he argued weakly, though he wasn't pulling away anymore. In fact, he was leaning in, drawn by an invisible, irresistible gravitational pull. His gaze drifted down to your mouth again, fixing on the slight parting of your lips with a desperate, starving hunger. "I'm supposed to be helping you. I'm supposed to be your friend. I've been... I've been trying so hard to just be that."

The admission hung in the warm, dim space between you, heavy and raw. It was the first time the thin veil of your friendship had been ripped open, exposing the throbbing, aching truth beneath. Valko’s chest was heaving now, his breath coming in shallow, uneven gasps. He looked terrifyingly vulnerable, his usual stoic composure completely dismantled by the sheer proximity of your lips. He was trembling – a fine, involuntary shudder that started in his hands and seemed to ripple through his entire broad upper body.

"You don't have to try anymore," you murmured, closing the final few inches between you.

When your lips finally brushed against his, it felt less like a choice and more like a chemical inevitability.

Valko let out a low, bruised sound from the back of his throat – a muffled gasp of pure shock and relief. For the first microsecond, he froze, completely overwhelmed by the sensory overload of actually, finally touching you. But then, as the reality of your mouth against his sank into his brilliant, chaotic mind, all his internal defenses collapsed in a single, spectacular ruin.

His hand, previously trapped under yours, tore itself free only to cup the side of your face with an urgency that bordered on frantic. His palm was burning hot against your cheek, his long fingers tangling into your hair with a fierce, possessive grip, yet he was still so remarkably careful, as if terrified that a fraction too much pressure might scare you away

He tilted your head up, groaning into the kiss as he deepened it, his lips sliding over yours with a clumsy, desperate passion. It was a beautiful, messy revelation of his complete lack of experience; he didn't know the perfect rhythm yet, didn't know exactly how to pace himself, so he simply gave you everything he had. He kissed you with a raw, unrefined devotion, his tongue tentatively parting your lips, seeking yours with a hesitant eagerness that made your core ache.

The taste of him was intoxicating – faintly sweet from the chocolate, mixed with the sharp, clean essence of his breath. The heat between you flared instantly, the activation energy of months of suppressed desire releasing all at once in an exothermic rush that left you both completely breathless. Valko shifted closer, his large body practically crowding you out of your chair, his free hand blindly reaching out to grip your waist, pulling you flush against his chest until you could feel the frantic, staccato hammering of his heart directly against your ribs.

He broke the kiss for a split second, his forehead resting heavily against yours, both of you panting for air in the shadowed room. His eyelids were heavy, his pupils blown so wide they nearly swallowed the yellowish iris entirely. A deep, prominent flush had crept up his neck, staining his cheeks a brilliant, beautiful crimson.

"I've dreamed about this," he choked out, his voice completely broken, his thumb sweeping over your lower lip, which was now wet and flushed from his own mouth. "Every single day. God, I... I don't think I can go back. I don't want to go back. Please."

The frantic rhythm of his heartbeat against your palm was the only proof you needed that this was real. Valko was entirely at your mercy, his breathing ragged and uneven as he leaned into your touch, his forehead still resting against yours. The brilliant student who mastered every complex mechanism was completely unspooled, undone by the simple friction of your skin against his.

"Then don't," you whispered against his lips, the words a low temptation that dissolved the last remnants of his hesitation.

You didn't give him a chance to overthink. Shifting forward, you slid off the edge of your seat and directly onto his lap. The sudden weight of your body anchoring him to the chair drew a sharp, choked gasp from the back of his throat. His large hands instinctively flew to your waist to steady you, his long fingers digging into your sides with a grip that was fiercely tight yet trembling with an underlying anxiety

You reached down, your fingers catching the hem of his dark t-shirt.

"Take this off, Valko. Let me see you."

He swallowed hard, his eyes wide and fixed on yours, completely helpless as you began to tug the fabric upward. Slowly, you slid your palms beneath the cotton, the cold air of the room instantly replaced by the radiating, feverish heat of his skin. Your hands drifted up his abdomen, tracing the hard, defined ridges of his stomach, feeling the way his muscles violently contracted and shivered under the feather-light pressure of your fingertips. He let out a low, shaky whine.

With a clumsy, breathless movement, he lifted his arms, allowing you to pull the shirt over his head and discard it somewhere onto the floor

The amber glow of the desk lamp washed over his bare torso, painting the sharp lines of his chest and broad shoulders in warm, golden light. He was built beautifully, a testament to silent discipline, but right now, a deep, burning flush covered every inch of his skin, stretching from his collarbones all the way up to the tips of his ears

You leaned forward, burying your face in the crook of his neck. Your lips pressed a soft, lingering kiss right against his pulsing jugular, tasting the salt and heat of him. Valko’s head fell back against the headrest of the chair, his chest heaving as a long, trembling shudder rocked through his frame.

"God... please," he whimpered, his hands moving from your waist to grip your shoulders, his fingers twitching against your skin.

You moved your mouth lower, tracing the strong line of his shoulder, your teeth lightly grazing the hard muscle of his bicep before sliding up to press slow, deliberate kisses along the elegant curve of his collarbone. Every time your lips touched him, a low, breathy groan escaped him. He was burning up, his skin so hot it felt like it could scald you, yet he was shaking so intensely you could feel it in your own bones. He didn't know where to look, his hands gripping you tightly one second and then loosening the next, terrified of being too rough, entirely unsure of his own strength.

"Valko," you murmured against his heated skin, your hands sliding up to cup his face, forcing him to look down at you. His eyes were hazy, heavy with a thick, intoxicating layer of pure lust and adoration, but beneath it, a sudden, sharp spike of vulnerability flared. "Why are you trembling–"

"Wait," he breathed, cutting your question off, his voice breaking completely as he caught your wrists, gently but firmly stopping your hands from moving any lower. He was panting, his jaw trembling as he looked at you, his face completely crimson. "I need— No, I have to tell you something. Before... before we go any further."

You paused, looking into his eyes, watching the internal battle wage behind his honey colored irises. He looked so massive, so incredibly strong sitting beneath you, yet his expression was that of a boy being lost in the middle of woods

"What is it?"

He swallowed, his throat moving convulsively. He looked away for a fraction of a second, a wave of intense, endearing embarrassment washing over his features, before forcing himself to lock eyes with you again.

"I... I've never done this," he confessed, the words tumbling out in a rushed, quiet whisper, raw and completely devoid of his usual academic armor. "Any of it. I’ve never... I've never touched anyone like this. I've never had anyone touch me. I'm... you're my first. In everything."

He squeezed your wrists a little tighter, his chest rising and falling in erratic, heavy thuds. "I don't know the rules for this. I just... I love you so much it frightens me, and I don't want to ruin it. I don't want to do it wrong."

The raw vulnerability in his confession hung in the air. Valko looked away, his jaw tense, his broad chest still heaving as he waited for your reaction. For a guy who always prided himself on logic, mastery, and control, admitting his complete lack of experience felt like stripping away his final layer of armor. He was terrified he wasn't enough for you.

You softened completely. Releasing your wrists from his gentle grip, you brought your hands up to cradle his face, your thumbs smoothing over his burning, crimson cheeks. You gently tilted his head until his light, anxious eyes were forced to meet yours again.

"Hey," you whispered, your voice a soothing balm against his frayed nerves. "Look at me, Valko. Come on."

He blinked, his long eyelashes fluttering, the intense devotion in his gaze mixed with a heartbreaking amount of uncertainty.

"There are no rules here," you murmured, leaning forward to press a soft, lingering kiss to the tip of his nose, then to his forehead, and finally to the corner of his trembling mouth. "This isn't an exam. You can't fail. We don't have to rush into anything, okay? We don't have to go all the way tonight if you're not ready. We have all the time in the world."

Valko let out a long, shaky exhale, the rigid tension in his shoulders visibly melting at your words. "I just... I want to please you," he confessed, his voice rough and incredibly low. "But I feel like I'm completely out of my depth. My mind keeps trying to analyze what to do next, and I... I don't want to be clumsy with you."

"You could never," you smiled gently, running your fingers through his slightly messy hair, tugging gently at the strands to ground him. "Honestly? I am more than happy to take the lead tonight. I'd be ecstatic just to take care of YOU first."

You shifted slightly on his lap, leaning down to whisper right against his ear, letting your lips brush the highly sensitive skin of his lobe. "I want to claim you, Valko. I want to make sure you know exactly what it feels like to belong to me. I want to be the only one who ever gets to see you like this. The only one who gets to hear the sounds you make..."

A violent shudder rippled through his entire body at your words. His eyes flared, turning almost entirely black as his pupils dilated with sudden, heavy arousal. The sheer possessiveness of your statement didn't scare him; it thrilled him, striking a chord deep within his intensely loyal nature. His hands gripped your waist tighter, his knuckles turning white, anchoring you to him.

"You already do," he choked out, his voice thick with emotion and rising heat. "I'm already yours. I've been yours for months. Anything you want... whatever you want to do to me... yes."

"Good boy," you purred, the praise causing a fresh wave of crimson to darkle across his collarbones.

You slid slowly off his lap, sinking down onto your knees on the floor between his parted legs. The sudden shift in height made Valko freeze, his breath catching sharply in his throat. From this angle, looking up at him, he looked magnificent – his bare, muscular chest heaving under the amber light, his hands resting awkwardly on the armrests of the chair, his fingers twitching. He looked down at you with a mixture of awe, reverence, and mounting, desperate anticipation.

You reached out, your hands sliding up his thighs, feeling the hard, coiled muscle beneath his jeans. Your fingers drifted toward the button of his fly, pausing for a brief second to look up and meet his gaze.

"Just relax for me, okay?" you murmured softly. "Let me show you how good this can feel."

Valko couldn't even speak. He could only nod, his head falling back against the chair, his eyes half-lidded and tracking your every movement as you began to undo his belt, his heart hammering so loudly against his ribs you could hear it in the quiet room.

The metallic click of his belt buckle opening sounded incredibly loud in the heavy silence of the room. Valko’s breath hitched, a sharp, ragged sound that seemed to catch in his throat as your fingers deftly slid his zipper down. You parted the denim, your hands sliding inside his boxers, your knuckles brushing against the blistering, radiating heat of his skin

When you finally freed him into the cold air of the room, you let out a soft, appreciative hum. Valko was magnificent – thick, heavy, and already weeping a clear, glistening bead of moisture at the tip from the sheer agony of waiting. A violent shiver rippled through his lower body, his thighs twitching against your shoulders as you knelt between his legs.

"Look at you," you whispered, your thumb catching the bead of pre-cum and smearing it slowly over the smooth, swollen head. "So beautiful. And all mine."

Valko let out a high, broken whimper, his hands flying up to grip the armrests of his chair so tightly his knuckles turned entirely white. His head fell back, throat exposed and flushed a deep crimson, his chest heaving as if he had just run a marathon.

You didn't make him wait any longer. Lean forward, you wrapped your fingers around the thick base of his shaft, your palm instantly slick with his own heat, and leaned in to press a warm, wet kiss to the very tip

"Ah... God," Valko cried out, his voice cracking completely. His hips gave a small, involuntary jerk upward, completely unpracticed and driven entirely by instinct.

You looked up at him through your lashes, letting him see the deliberate fullness of your lips as you opened your mouth and swirled your tongue completely around the sensitive rim. He whimpered again, a pathetic, needy sound that vibrated deep in his chest. Slowly, smoothly, you took the swollen head into the heat of your mouth, sucking down until the wet warmth enveloped the top few inches of his length.

The reaction was instantaneous. Valko’s entire body went rigid. A loud, unrefined whine tore from his throat, his toes curling against the floor as his hands blindly reached down, his long fingers tangling into your hair. He wasn't pushing you down, he was too terrified of hurting you, too unused to the overwhelming sensory overload. He was simply holding on for dear life, his palms trembling against the sides of your head.

You began to move. Your mouth slid up and down the top half of his shaft in long, deliberate strokes, while your hand at the base pumped in perfect, synchronous rhythm, keeping the friction wet and tight. The sound of it – the wet, squelching friction of your mouth and hand working together – filled the quiet dorm room, mixing with his ragged, desperate panting.

You were barely three minutes into the rhythm when Valko’s breathing turned completely frantic. His hips began to shudder, bucking slightly against your mouth, his head tossing from side to side against the chair.

"Wait— wait, please," he choked out, his voice thick, entirely choked with tears and lust. His fingers tightened frantically in your hair, trying, and failing, to gently pull your head back. "Stop... I can't... I'm going to—"

You squeezed the base tightly, pulling your mouth away with a wet, lingering pop, leaving him glistening and shivering in the amber light. You kept your hand firmly locked around him, holding him completely still at the very edge.

"No, sweet boy. Not yet," you murmured, leaning up to press a soothing kiss to his inner thigh, which was trembling violently. "You're too close. We're going to take our time."

"It hurts," Valko gasped out, his eyes opening, completely glassy and swimming with unshed tears of pure overstimulation. The flush on his face was spectacular, his chest covered in a light sheen of sweat. "It feels too good... I can't hold it back. I don't know how."

"You don't have to know how. I'm controlling it for you," you praised softly, using your free hand to wipe a stray tear from his cheek. "You're doing so well for me, Valko. Such a good boy. Just take a deep breath"

You waited, watching the desperate rise and fall of his chest until the frantic tension in his hips subsided just an inch. The moment his breathing slowed from a panic to a heavy, dragging pant, you leaned right back in.

This time, you took him even deeper. You coated him thoroughly with your saliva, your tongue stroking the sensitive underside of his shaft with every downward stroke, your thumb deliberately rubbing over his frenulum.

"Mmgh!" Valko buried his face in his hands, completely overwhelmed. A muffled, continuous stream of whimpers and broken curses escaped him as you ruthlessly worked him toward the edge again. He was so incredibly sensitive, his virgin body entirely unprepared for the deliberate, agonizing pacing of your mouth. Every stroke drew a sharp spike of pleasure that he couldn't dissipate.

Within another two minutes, he was breaking down again. His hips were twitching uncontrollably, his stomach muscles rippling and contracting as he tried to escape the unbearable pleasure, yet his hands came down to clasp your shoulders, desperately trying to pull you closer.

"Please... I'm right there... let me," he begged, his voice a broken whisper, his hips bucking up, practically begging your mouth to swallow him whole. "I want to give it to you... please..."

You pulled off again, just at the precipice, your hand maintaining a brutal, teasingly tight grip at the base to deny him the release. Valko let out a loud, sobbing groan, his head crashing back against the chair, his chest heaving as he violently overstimulated from the sudden halt.

"Look at how much you want me," you whispered, leaning up to lick a bead of sweat from his collarbone, your fingers lightly stroking the taut skin of his balls, teasing him until he whimpered out loud. "You belong to me, Valko. Every single drop of this is mine. We're going to do this one more time, and then I'll let you come apart. Okay?"

He could only let out a weak, defeated whine, completely ruined by your hands, his dark eyes staring at you with a terrifyingly beautiful level of pure, unadulterated worship

You leaned in one final time, the wet heat of your mouth sliding over the fully engorged, pulsing length of him without a shred of mercy. Valko let out a fractured, high-pitched gasp, his entire body convulsing slightly at the renewed contact. He was completely ruined, his skin slick with sweat under the amber lamp, the muscles of his thighs and stomach twitching uncontrollably as you dragged him right back over the precipice.

This time, you didn't stop.

You wrapped your hand tightly around the base of his shaft, your palm acting as a solid, wet seal, while your mouth swallowed him as deeply as you could manage. Your tongue ruthlessly stroked the highly sensitive line of his frenulum, pairing the deep, suctioned pulls of your lips with a fast, unyielding friction from your fingers. The wet, rhythmic sounds of your mouth working over his slick length echoed loudly against the backdrop of the storm outside.

"God... please, I’m going to— I can’t hold it—!" Valko cried out, his voice cracking into a raw, desperate sob.

His hands slammed onto your shoulders, his fingers clawing into your shirt as his hips violently bucked upward, driven by a primal, overwhelming need to find friction. He was completely blind to everything else, his head thrown back against the chair, his throat straining as the veins in his neck stood out in sharp relief. The analytical brilliance of his mind was entirely incinerated, leaving nothing but the pure, desperate animal instinct of a boy experiencing his very first release with someone.

"Come for me, Valko. Give it all to me," you murmured against his skin, pulling back just enough to let your hand take over the blistering, rapid pace, your thumb ruthlessly smearing the heavy accumulation of pre-cum over the swollen, purple head of his cock.

That was his breaking point.
A loud, choked groan tore from the very depths of his chest – a sound of pure, agonized ecstasy. Valko’s entire body went dead rigid, his back arching completely off the chair as he came. The release was violent, a testament to months of suppressed desire and the agonizing torture of the edging for the past few minutes. Heavy, thick ropes of white semen shot out, splashing across your fingers, coating your palm, and painting the taut skin of his own stomach in hot, sticky streaks. His hips twitched in erratic, helpless jerks, pouring out everything he had been holding back, each spasm drawing a fractured, breathless whimper from his lips.

He kept coming for what felt like an eternity, his body trembling violently from the sheer force of the orgasm, until he finally collapsed back into the chair, completely spent and utterly breathless.

The silence that followed was heavy, filled only by the sound of his ragged, dragging gasps and the steady patter of the rain against the glass.

Valko lay completely still, his eyes half-closed and swimming with tears of pure overstimulation, a deep, beautiful crimson flush covering his entire face and chest. He looked thoroughly thoroughly undone – his burgundy hair messy, his lips swollen, and his broad chest rising and falling in heavy, exhausted thuds.

Smiling softly, you reached for a clean tissue from his desk, gently wiping the sticky warmth from your hands and his stomach. Once the mess was cleared, you crawled back up, sliding onto the chair beside him and pulling his massive, trembling frame into your arms.

Valko buried his face straight into the crook of your neck, his large arms wrapping around your waist with a weak, desperate possessiveness. He was still shivering, his skin radiating an intense, feverish heat against yours.

"I've got you," you whispered softly, your fingers gently running through his hair, untangling the strands as you pressed a tender kiss to his temple. "You did so well, Valko. You were perfect."

A muffled, embarrassed whine escaped him, his arms tightening around you just a fraction more. "It was... too much," he whispered, his voice incredibly rough and scratchy. "My whole body feels like it's on fire. I didn't know... I didn't think it would feel like that."

"The first time is always overwhelming," you murmured, pulling back slightly to cup his face, forcing his hazy, adoring eyes to meet yours. "But you handled it beautifully. Are you okay?"

He nodded weakly, a small, incredibly tender smile finally breaking through his exhaustion. "Better than okay. I’m... I’m yours. Completely." He glanced down at the counter and the scattered chemistry notes, a faint, self-deprecating chuckle vibrating in his chest. "I don't think I can explain the mechanics of that reaction."

"We can skip the theory for tonight," you teased, brushing a stray lock of hair from his forehead.

Valko caught your hand, lifting your knuckles to his lips to press a soft, reverent kiss against them. His dark eyes, though still tired, held a sudden, burning spark of anticipation.

"Next time," he breathed, his voice dropping into a quiet, determined vow, "I want to do it right. I want to learn how to please you. When... when I'm a little more prepared. When I won't lose my mind in the first five minutes."

"Take all the time you need, Valko," you smiled, leaning in to press one final, sweet kiss to his lips, tasting the lingering warmth of the night. "I'm not going anywhere. We have plenty of private lessons ahead of us."

He let out a contented sigh, pulling you flush against his chest as the storm continued to rage outside, the heavy textbook on the desk completely forgotten, replaced by the unwritten chapters of a completely new kind of chemistry