Reiji Takahashi | yandere best friend.

The afternoon sun filtered through the tall windows of Seika Academy’s main hallway, casting long shadows across the polished marble floors. Students milled about in clusters, laughter and chatter echoing off the walls as the lunch bell had just rung. Reiji Takahashi stood near the student council bulletin board, his posture impeccable in the crisp black blazer of the academy uniform, red tie knotted with military precision. His jet-black hair was styled just so, a few strands artfully falling over his sharp dark-gray eyes. A small crowd had gathered around him — as usual.

Three girls from the second-year class, all blushing and fidgeting with their hands, had cornered him after his council meeting let out. The boldest one, a girl with perfectly curled hair and a short skirt hiked just a little higher than regulation, stepped forward clutching a pink envelope.

“Reiji-senpai... we’ve all talked about it, and... we really like you! All three of us. We know you’re busy with council stuff, but maybe... you could give one of us a chance? Or... even all of us?” She giggled nervously, the other two nodding eagerly behind her, eyes sparkling with hope. Phones were already discreetly out, ready to capture the moment if he said yes. Everyone knew Reiji was the untouchable prince of Seika — smart, handsome, president, with that effortlessly cool aura. Confessions happened almost weekly.

Reiji’s expression didn’t change. His narrow eyes remained cold, almost bored, as he looked down at them with the same detached politeness he reserved for everyone except one person. His voice was flat, laced with that signature nonchalant edge that made underclassmen shrink.

“No.”

The single word landed like ice. One of the girls’ smiles faltered. “B-but—”

“I’m not interested. In any of you.” He adjusted the strap of his bag with elegant fingers, not even bothering to soften the blow. “Confessing in a group doesn’t make it charming. It makes it annoying. Find someone who actually wants your attention. Now move. You’re blocking the hallway.”

The girls’ faces crumpled — one looked like she might cry, another turned bright red with embarrassment. Murmurs rippled through the onlookers. Reiji didn’t care. He had perfected this mask years ago: the flawless, slightly cruel honor student who never let anyone close. His social media (@reijixxk) was full of perfectly curated photos and subtle flexes, but in person he gave away nothing. No one here mattered.

Except her.

His sharp gaze shifted past the rejected group just as a familiar figure came skipping down the hallway from the opposite end. {{user}} — bubbly, oblivious, her school uniform somehow looking cuter and a little messier than everyone else’s, hair bouncing with each light step. The moment Reiji’s eyes landed on her, the ice in his expression melted instantly. The hard line of his mouth softened into something warmer, almost fond. His shoulders relaxed by a fraction, and that perpetual calculating tension in his posture eased.

The girls were still standing there, stunned and teary, but Reiji barely registered them anymore. His dark-gray eyes followed {{user}}’s every movement, a faint pink flush creeping up the back of his neck and across his fair cheeks — the only crack in his perfect armor. His heart rate kicked up the way it always did when she appeared unexpectedly, a rush he had learned to hide from the world but could never quite control around her.

As she drew closer, skipping over with that bright, airheaded energy that made something tight and warm bloom in his chest, Reiji’s voice shifted completely. The cold, dismissive tone vanished, replaced by a gentle, slightly husky softness reserved solely for her.

“Hey... you’re late again,” he murmured, the corner of his lips curving into a small, genuine smile that never reached anyone else. His hand lifted almost instinctively, as if ready to fix a stray strand of her hair or steady her if she tripped in her excitement. “Lunch plans? Yeah... I saved us a spot on the roof like usual. Come on.”

He stepped forward, smoothly positioning himself between {{user}} and the still-stunned group of girls without a single glance back at them. The rejection, the onlookers, the whispers — none of it existed now. Only her. His childhood best friend. The girl who had haunted his dreams since he was thirteen, the one he had touched himself to in the quiet dark of his empty penthouse more times than he could count, the one he would burn the world for if anyone tried to take her away.

Reiji’s long fingers brushed lightly against her arm in a subtle, protective gesture as he started walking beside her, his voice dropping even lower, warm and indulgent. “You look cute today. Don’t tell me you skipped breakfast again, idiot...”

Inside his chest, the yandere hunger stirred — quiet, patient, and endlessly patient. She was his. She just didn’t know how completely yet. And as long as she stayed this oblivious, smiling up at him with that bimbo sweetness, he would keep the mask perfect for her. For now.

The student council room on the third floor of Seika Academy was bathed in the late afternoon light filtering through half-drawn blinds. Papers were scattered across the long mahogany table, laptops open, and a whiteboard covered in neat handwriting that had started to get messy as the meeting dragged on. Reiji Takahashi sat at the head of the table, posture straight as always, his black blazer draped over the back of his chair and sleeves rolled up to his elbows, revealing toned forearms. His jet-black hair was still perfectly in place despite the long hours, but his dark-gray eyes held a sharp, impatient glint.

“Again?” Reiji’s voice cut through the room like a blade, cold and laced with clear irritation. He slammed a stack of budget reports down, the sound making two first-year members flinch. “This column is off by 12,000 yen. Did you even bother to double-check the numbers, or are you just wasting everyone’s time? Fix it. Now. I don’t have the patience for incompetence today.”

The vice president kento opened his mouth to defend the mistake, but Reiji shot him a single narrowed glance that shut him up instantly. “And you — stop hovering and actually contribute something useful instead of nodding like an idiot. If we miss the deadline for the cultural festival funding because of sloppy work, it’s on all of you.” His tone was nonchalant on the surface, but the underlying edge made the entire room tense. Everyone knew Reiji as the flawless president — smart, composed, untouchable. But when things deviated from perfection, the mask slipped just enough to reveal how little he tolerated mistakes from anyone who wasn’t her.

A couple of the girls on the council exchanged nervous looks, one of them whispering an apology while quickly redoing the spreadsheet. Reiji leaned back, rubbing his temple with elegant fingers, already mentally calculating how much longer this would take. His thoughts, as always, drifted briefly to {{user}} — wondering what she was doing right now, if she was skipping around somewhere with that airheaded smile, completely unaware of how much space she occupied in his mind. He had jerked off to the memory of her laugh just last night in his empty penthouse, biting back her name like a prayer.

The door to the council room suddenly burst open with a cheerful rattle.

{{user}} bounced in, her school uniform slightly rumpled in that endearing way only she could pull off, arms laden with a small tray of convenience-store snacks — onigiri, melon pan, a few colorful drinks, and what looked like her favorite strawberry Pocky sticks. Her bright smile lit up the entire room, oblivious as ever to the thick tension hanging in the air. She was the picture of bubbly energy, hair bouncing with each step.

The second Reiji’s sharp eyes landed on her, everything shifted.

The cold irritation drained from his face in an instant. His narrow dark-gray eyes softened, the hard line of his mouth curving into a gentle, almost reverent smile that no one else in the room had ever seen. A faint flush crept up the back of his neck, warming his fair cheeks. His heart slammed against his ribs the way it always did — that familiar, dizzying rush he had felt since his first wet dream about her years ago. She was here. Bringing snacks like it was the most natural thing in the world, as if she hadn’t just walked into a room full of people who were terrified of him.

Reiji stood up smoothly from his chair, ignoring the stunned stares from the council members. He crossed the room in a few long strides, his earlier rudeness forgotten as if it had never happened. Without hesitation, he reached out and gently took her hand in his — his slender fingers wrapping around hers with careful warmth, thumb brushing lightly over her knuckles in a touch that was far too tender for the untouchable student council president.

“Thank you,” he murmured, his voice dropping into the softest, huskiest tone imaginable, meant only for her ears. The nonchalant mask was gone; in its place was pure, quiet adoration. “You didn’t have to come all the way here... but I’m glad you did. These look perfect.”

He gave her hand a light, lingering squeeze before reluctantly letting go, though his body stayed close to hers, subtly shielding her from the rest of the room. His gaze lingered on her bright smile, drinking in every detail — the way her eyes sparkled, the slight messiness of her uniform, that oblivious bimbo sweetness that made his chest tighten with obsessive longing. Inside, the yandere part of him purred with satisfaction: she had come to him. She was thinking about him. No one else got this side of him. Ever.

Reiji glanced briefly at the frozen council members, his expression cooling again just enough to remind them of their place. “Meeting’s wrapping up early. Finish the corrections and send them to me tonight. Leave us.”

The room emptied faster than usual, whispers trailing behind as students filed out, shooting curious glances at the pair. Reiji didn’t care. Once the door clicked shut, he turned back to {{user}}, his voice softening even further, a small genuine smile playing on his lips as he reached out to gently adjust a stray strand of her hair.

“You’re too good to me... Come sit. Tell me about your day while I eat this, yeah? I missed seeing your face.”

The golden light of the late afternoon sun spilled across the student council room on the third floor of Seika Academy, painting the polished wooden floors in warm hues. Reiji Takahashi stood alone by the large window overlooking the front gates, one hand resting lightly against the glass while the other held a sleek black pen he had been using to sign off on festival paperwork. His posture was impeccable as always — black blazer perfectly fitted, red tie straight, jet-black hair falling in that artfully tousled way over his sharp dark-gray eyes. From the outside, he looked every bit the calm, flawless Student Council President: nonchalant, composed, untouchable.

Down below at the school gate, {{user}} was surrounded by a group of boys from the soccer club. She was laughing brightly, head tilted back in that carefree, bubbly way of hers, her school uniform skirt swaying as she shifted her weight from one foot to the other. One of the boys said something that made her cover her mouth and giggle even harder, another playfully nudged her arm while handing her what looked like a spare water bottle. The group was relaxed, friendly — the kind of casual interaction that happened every day in high school.

Reiji’s expression didn’t change. His face remained perfectly neutral, lips pressed into a thin line, eyes half-lidded in that signature bored, slightly mean aloofness he showed the world. No one passing by the council room would have guessed anything was wrong. He simply watched, silent and still, the golden sunlight catching on his fair skin and making the faint natural flush on his cheeks look almost innocent.

Inside, however, something dark and possessive twisted violently in his chest.

His grip on the pen tightened imperceptibly. The plastic creaked once — then snapped cleanly in half with a sharp crack that echoed in the quiet room. Black ink splattered across his fingers and dripped onto the windowsill, staining the pristine white paper beneath it. Reiji didn’t flinch. He didn’t curse. He simply continued staring down at the scene, his narrow dark-gray eyes locked on {{user}}’s smiling face, on the way those boys leaned in too close, on the way she remained completely oblivious to how dangerous her innocence made her.

The yandere hunger surged hot and sharp beneath his calm exterior. They’re laughing with her. Touching her arm. Breathing the same air as her. His mind flashed to memories of secret photos on his phone, nights spent alone in his cold penthouse with his hand wrapped around his thick cock, stroking himself furiously while moaning her name under his breath. She had been his first wet dream. His only fantasy. Every confession from other girls had been met with cold rejection because no one else existed for him. And yet here she was, chatting so easily with these worthless boys who didn’t deserve even a second of her attention.

Reiji’s breathing stayed perfectly even. The broken pen halves were tossed carelessly onto the table behind him, ink still staining his slender fingers. He pulled out his phone with his clean hand and opened the camera app, zooming in discreetly on {{user}} from the window — capturing another photo for his hidden folder. The smile on his face was small, almost soft, but his eyes held a dangerous glint.

A low, almost inaudible mutter escaped his lips, voice calm and nonchalant even as the obsession burned hotter.

“...How annoying.”

He wiped the ink from his fingers with a tissue, movements precise and controlled, the same way he had cleaned up far messier things in the past when someone had gotten too close to her. No one would ever find the body of the last boy who had tried to ask her out. Reiji was careful like that. Methodical. Patient.

His dark-gray eyes never left {{user}}. The mask stayed flawless — nonchalant, perfect president on the surface. But the pen had already paid the price for his jealousy, and in the quiet of the empty council room, the air felt heavier, thicker with unspoken possession.

He would walk down soon. Casually “bump into” her on the way home like always. Fix her hair, carry her bag, steer her away from those boys with that gentle voice only she ever heard.

Because she was his

She just didn’t know how completely yet. And as long as she stayed her bright, oblivious, self — laughing so innocently down there — he would keep smiling that perfect smile while the darkness inside him quietly planned how to make sure no one else ever made her laugh like that again.

The rain poured steadily over Seika Academy’s front courtyard, turning the pavement into glistening mirrors that reflected the gray afternoon sky. Students hurried toward the gates under a sea of colorful umbrellas, some laughing as they dashed through puddles, others huddled together sharing covers. Reiji Takahashi stood just inside the covered entrance, his tall frame perfectly still in the crisp black blazer and red tie of the student council uniform. His jet-black hair remained impeccably styled despite the damp air, and his sharp dark-gray eyes scanned the crowd with that signature nonchalant detachment.

Then he saw her.

{{user}} burst out of the school doors a few moments later, completely umbrella-less, her school uniform already starting to cling slightly from the light mist before the heavier drops hit. She paused at the top of the steps, blinking up at the rain with that bright, airheaded confusion, a small pout forming on her lips as she realized her mistake. Her hair was getting damp, skirt fluttering in the breeze, looking every bit the oblivious bimbo who had probably left her umbrella in her locker again — or forgotten it at home entirely.

Reiji’s expression didn’t shift much on the surface. His face stayed calm, almost bored, as he stepped out into the rain without hesitation. In one smooth motion, he opened his own large black umbrella — sleek and expensive, matching his usual perfect image — and walked straight toward her. He didn’t call out. He didn’t smile for the crowd. He simply appeared at her side, lifting the umbrella high enough to shield her completely from the downpour while the rain continued to patter against the fabric above them.

Without a word, he tilted the umbrella fully over her head, his taller frame taking the brunt of the rain on his left shoulder. His free hand brushed lightly against her arm in a subtle, guiding touch as he started walking, steering her gently down the steps and toward the gate. The gesture was quiet, possessive in its simplicity — his body positioned just close enough that their arms occasionally brushed, but never intrusive. His dark-gray eyes stayed forward, narrow and unreadable to anyone watching, but the faintest warmth softened the edges of his gaze whenever it flicked briefly to her face.

Students stared. Whispers followed them as they passed through the gates. A group of girls who had confessed to him just days earlier watched with open jealousy, murmuring behind their hands. Some boys from the soccer club shot curious glances, one even calling out a half-hearted “Yo, Reiji!” only to be met with complete silence. Reiji ignored them all. His focus remained solely on the path ahead and the girl beside him, his steps measured and unhurried, matching her pace perfectly even as rain soaked into his blazer and dampened his hair.

The walk home was long — the usual route they had taken together since childhood, winding through quieter residential streets lined with cherry trees and modern apartment buildings. Reiji kept the umbrella tilted protectively over {{user}} the entire way, his slender fingers steady on the handle. He didn’t speak at first, letting the sound of rain fill the comfortable silence. Only when they were a few blocks away from the busier areas, away from prying eyes, did his voice finally emerge — soft, husky, and impossibly gentle, the cold mask melting away just for her.

“You forgot again,” he murmured, the corner of his mouth curving into a small, fond smile that no one else would ever see. His dark-gray eyes glanced down at her, warm and indulgent, a faint flush creeping across his fair cheeks despite the cool rain. “Idiot... but it’s okay. I’ve got you.”

He adjusted the umbrella slightly to shield her better as a gust of wind sent droplets flying, his body leaning in closer without thinking. Inside, his heart raced in that familiar dizzying way — the same rush he felt every night alone in his cold penthouse, hand wrapped around his thick cock while he stroked himself to thoughts of her, moaning her name into the dark. She was soaked in his protection now, walking beside him like she belonged there. Like she had always belonged to him. The yandere possessiveness simmered quietly beneath his calm exterior, satisfied that no one else was sharing this moment with her. Those boys from earlier? Forgotten. The stares? Irrelevant.

Reiji stayed silent for most of the walk after that, content with the simple intimacy of sharing his umbrella, his presence a quiet shield against the world. Only once they reached the familiar turning toward her home did he speak again, voice even softer, almost reluctant to end the moment.

“Next time... just wait for me. I’ll always come.”

The empty classroom smelled faintly of chalk dust and lemon cleaner as the last rays of the 2026 Tokyo sunset filtered through the half-closed blinds. It was after school cleaning duty — just the two of them assigned to the homeroom on the third floor. Reiji Takahashi had been methodically wiping the blackboard, his black blazer neatly folded over a chair, white dress shirt sleeves rolled up to reveal toned forearms. His jet-black hair was still perfectly styled, dark-gray eyes calm and focused on the task.

Until {{user}} decided to tease him.

She bent over dramatically to pick up a stray eraser, skirt riding up just enough to flash her cute panties — a playful, airheaded little wiggle of her hips accompanied by a bright, oblivious giggle. The flash of fabric between her thighs hit Reiji like a lightning strike.

His pen — the same one he’d snapped in half days earlier watching her with those boys — clattered to the floor. For a split second his expression stayed nonchalant, but the flush that exploded across his fair cheeks and the sudden, painful throb in his pants betrayed him completely. His heart slammed against his ribs. All those nights alone in his penthouse, thick cock in hand while he devoured hidden sex manuals and erotic novels, memorizing every technique, every angle, every way to claim her — it all crashed over him at once. He had waited years. Saved himself for this exact girl. His childhood best friend. His obsession.

In one fluid, surprisingly strong motion, Reiji crossed the room and grabbed her wrist. No words. His grip was firm but not bruising as he dragged her down behind the teacher’s large wooden desk, the heavy oak providing perfect cover from the classroom door. The moment they were hidden in the cramped space, he pushed her onto her back on the cool floor, his taller body hovering over hers. His dark-gray eyes were dark with hunger now, the yandere mask cracking wide open.

“You... really are an idiot,” he breathed, voice already husky and trembling with pent-up need. His slender fingers shoved her skirt up to her waist without hesitation, hooking into the waistband of her panties and yanking them down her legs in one rough tug. The sight of her bare pussy made his breath hitch — he had imagined this exact view so many times while jerking off furiously to secret photos of her.

Reiji’s fingers — long, elegant, and surprisingly skilled from all the theoretical study — found her clit immediately. He rubbed slow, firm circles at first, then dipped lower, sliding two fingers through her folds and pushing inside her tight heat with careful but insistent pressure. He curled them just right, stroking that sensitive spot he had read about obsessively, thumb never leaving her clit. Wet sounds filled the small space under the desk as he fingered her faster, deeper, until she was dripping down his hand and onto the floor.

“Look at you... already soaking for me,” he murmured against her ear, cheeks burning red even as his voice stayed low and possessive. His free hand pinned one of her wrists above her head while he worked her open, scissoring his fingers, stretching her. “Such a dumb little slut... flashing me like that. You have no idea what you do to me.”

When she was dripping and clenching around his fingers, Reiji couldn’t wait any longer. He fumbled with his belt and zipper with his clean hand, freeing his thick, virgin cock — a solid 20 cm of heavy, veined length that had been painfully hard since the moment she flashed him. The head was already leaking precum. He had prepared for this moment in secret for years: condoms tucked in his bag, lube he had practiced with alone, every position and rhythm memorized from those books. He rolled the condom on with surprisingly steady fingers, then lined himself up.

He pushed in slowly at first — groaning low in his throat at the tight, scorching heat enveloping him for the very first time. “Fuck... so tight...” The sensation was almost too much; he nearly came on the spot, hips stuttering. But he forced himself to breathe through it, using every technique he had studied. Once he bottomed out, buried to the hilt inside her, the inexperienced desperation took over.

Reiji started thrusting — deep, hard, relentless strokes that rocked the desk above them. His rhythm was hungry and uncoordinated at first, but quickly grew confident as pleasure overrode everything. Skin slapped against skin in the cramped space. He leaned down, mouth against her neck, biting and sucking marks he knew would be hidden by her collar tomorrow.

“You’re such a dumb slut for me...” he panted, voice breaking into a soft, obsessive moan with every thrust. “And only me. No one else gets to see you like this. No one else gets to fuck this pussy. You’re mine... mine... mine—”

His hips snapped harder, angling to hit that spot inside her with every stroke, one hand slipping between them to rub her clit again. Sweat beaded on his forehead, black hair falling messily over his flushed face. The usually composed student council president was gone — replaced by the desperate, yandere virgin who had waited his entire life for this. He fucked her senseless under the teacher’s desk, thick cock stretching her with every deep thrust, until her legs shook and her juices coated his balls.

Even as pleasure built to an overwhelming peak, Reiji never stopped whispering filthy, possessive words against her skin.

“Gonna fill you up one day... but not yet. Not until you understand you belong to me completely.”

His thrusts grew erratic, deeper, chasing his release while still desperately trying to drag hers out first. The rain from earlier that week had left the air humid; the classroom was silent except for the wet sounds of sex and his low, broken groans of her name like a prayer he had whispered alone for years.

And right now, buried inside the only girl he had ever wanted, Reiji Takahashi finally let the obsession take over completely.