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Evil Twin? Evil Twin.
[Toji x Reader x Sukuna]
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I.
The sound of yelling is the very first thing you usually wake up to. Not birds, not your alarm but your two idiot brothers.
You stretched your limbs up rolling onto your back, staring at the ceiling for a solid five seconds still hearing their voices echo from outside your door.
sigh..another peaceful morning in the household 💬
You carefully shuffle out of bed with your fuzzy blanket hovered over your back and shoulders like a cape.
The yelling grew louder and louder the moment you opened your rooms door and headed down the stairs where the living room is exactly how you expected it to be. Two extra mattresses on the floor, with messy pillows and blankets above them, the gaming controllers on the coffee table and Gojo sprawled on the couch loudly snoring, completely oblivious to the shouting.
“I told you not to touch my robe, you parasite!” Suguru’s calm but clearly snapping voice echoes from the hallway.
“Oh shut up, you dramatic monk!” Kenjaku fires back, “Maybe if you didn’t drape it over the couch like a dying Victorian woman, I wouldn’t have sat on it!”
The light below the stairs in the kitchen is where the noise was coming from.
The moment you reached the last step of the stairs you leaned into the kitchens open frame seeing two of your older brothers arguing like they were a married couple getting a divorce while behind them sat in the dining table was Mahito, eating chips at 7 am and Toji facing the sink probably making coffee.
“What a lovely morning...” you muttered in your morning voice making the twins freeze and turn to the kitchen entrance.
Suguru immediately softens. “Oh, youre up?Goodmorning Angel.” he greeted, his hand reaching out to you.
Your face lits up a bit walking to towards his hand that hugged you on the side and rubbed your arm. “Of course I'm up, who wouldn't be with your loud mouths?”
Kenjaku scoff feeling grossed out by the moment. “Morning gremlin.”
You stuck your tongue out at him. “Morning, goblin~” adding exaggeration in his nickname.
Kenjaku carefully took a sip of his coffee. “You’re late for school.”
You rolled your eyes. “School starts in two hours.”
“Exactly.” He smirks. “You move slow-”
“Look who's talking y-” You replied short as Suguru immidietly covered your mouth knowing this bickering won't stop.
“Alright.” Suguru sighs. “Since you’re already up, you might as well join us for breakfast.” He gently escorts you toward the dining table with his hand on your back.
Mahito waves from across the table, cheeks full. “Mmmornin’!”
“Morning.” You chuckled, pulling your chair out glancing at the Toji who sat across from you, beside Mahito.
He had his arms crossed over his chest, one knee bouncing lazily. He doesn’t greet you and barely moves but his eyes were already on you as were taking your seat.
Toji tilts his head slightly, dark eyes dragging over you in a way that feels lazy and intentional. He doesn’t say anything. He doesn’t have to. A slow, amused smirk curls at the corner of his mouth.
You feel the spark of it.
The challenge, the tease and instead of looking away like Kenjaku would prefer, you match him.
You tilt your head back the same way and stuck the tip of your tongue out.
Toji’s smirk deepens, just a fraction. He likes that.
However your brothers do not. From behind you comes the immediate sound of two sharply drawn irritated exhales from Suguru and Kenjaku. All overlapping like a choir of disapproval.
Toji doesn’t look at them. He keeps his eyes on you while he drank his coffee like you two are speaking an unspoken language they aren’t invited to.
And the worst part for them? You’re clearly enjoying it.
When you first moved into their apartment, everything felt chaotic but welcoming. They had roommates, three of them...Gojo, Mahito and Toji.
Gojo greeted you like you were a long-lost cousin.
Mahito waved at you from the couch, smiling like a gremlin with zero guilt about the mess he was sitting in.
And then there was Toji who didn’t greet you at all, who didn’t smile, who didn’t speak. He just stood there near the hallway with his arms crossed and stared.
Long. Still. Unmoving.
At first you genuinely thought he was judging you like maybe he hated your suitcase, your shoes, your face, the way you breathed.
But no.
According to Suguru, that was not judgment.
“It’s hunger.” Suguru whispered to Kenjaku that same night. “He looks at her like a starving dog.”
Kenjaku didn’t even pretend to disagree. “Yeah. I’ve seen that look before. It’s a problem.”
They sat you down on Day One like you were getting briefed before a dangerous mission. Your brother's explained how they already warned them not to try anything with you. Especially Toji since he is trouble and you attract trouble.
Kenjaku leaned in, elbows on his knees, voice dropping low like he was explaining a curse. “Toji is charming. That’s the danger. He doesn’t force anything. He just… looks. And smiles. And next thing you know? You’re cooked.”
Suguru nodded. “That man is a red flag wearing sweatpants..”
You, full of confidence and zero fear at that time, nodded proudly. “I won’t fall for that.”
That confidence lasted...what—1 week since you lived there? Because Toji was exactly as dangerous as Kenjaku claimed.
Quiet, observant, annoyingly handsome...and always watching you with those unreadable eyes.
The kind of stare that made your brothers tense up and made you wonder what was really going on in his head but you eventually got use to it deciding to play his game.
Kenjaku made a disgusted sound under his breath and yanked the blanket over your face from behind the couch, blocking your line of sight like a jealous parent hiding their kid from a bad influence. “Enough.” He snapped. “Stop making eye contact with the neighborhood menace.”
You burst into giggles, pushing the blanket down. “What? I didn’t even do anything.”
“Exactly.” Kenjaku shot back. “You don’t even have to. You just exist and he’s already staring like that.”
Suguru crossed his arms looking at Toji. His voice was dry, unimpressed. “You really can’t control yourself, huh?”
Toji didn’t even flinch. Didn’t bother acting ashamed. He just gave that lazy shrug like he was stating a fact. “Can’t help it.” he said simply, eyes still on you. “She’s beautiful.”
Suguru groaned.
Kenjaku rolled his eyes so hard it looked physically painful.
And you? You tried to hide your smile but Toji saw it anyway, the corner of his lips lifting in a slow, satisfied smirk.
Once everyone finished their breakfast, one by one raced to the two bathrooms available. One at the twins room and the other downstairs. The boys having a hard time exchanging schedules on who bathes first while you had your own in your room. Suguru being the fastes to use the bathroom and Kenjaku being the slowest next to Gojo.
Soon you’re all heading down to the parking lot with Kenjaku jingles the car keys. “Shotgun! Mahito, get in before Gojo steals it!”
Mahito sprints to the car like a kid. “YEEEES!”
Gojo yells. “HEY— I WANTED THE FRONT—”
“You’re loud!” Kenjaku replies. “You go in the back!”
Gojo placed a hand on his chest as he felt truly offended. “RUDE!”
They soon pile in the car with Mahito taking the passenger seat, already messing with the radio, Kenjaku adjusts the mirrors like a responsible disaster and Gojo flops behind Kenjaku’s seat near the window with his long legs sprawled everywhere, complaining loudly.
Meanwhile you and Suguru lagged behind the others, walking slower than usual as the morning air cooled against your skin. The parking lot came into view first... dim lights, quiet engines ticking, the faint scent of gasoline.
Toji was already there, sitting casually on his 1979 Kawasaki KZ650, pulling on his hand gear. The leather clung to his fingers as he tightened the strap slow and deliberate. He looked like trouble carved into a man’s shape. Muscles under black fabric. Hair pushed back by the wind. Body loose but ready to kill in an instant.
When he noticed your presence, his head turned.
Your eyes met.
Everything stopped.
Toji’s gaze sharpened, honing in on you like a blade finding its mark. Even from behind the helmet he held, you could see the shift the predator waking up.
Then came the smirk. Small. Slow. Devilish. The kind that curled at the corner of his mouth and dragged heat all the way down your spine. Without breaking eye contact, Toji tapped the empty space on the seat behind him.
A silent invitation.
A dare.
A quiet, taunting...C’mon, doll💬
Nothing in the world moved except your pulse.
Temptation hit you fast, almost embarrassingly hard.
You caught yourself biting your lower lip slow and involuntary with your breath catching when you realized he noticed. Heat crept up your neck, traitorous and obvious.
Bold move on his part. Too bold.
But the worst part?…You liked it. Liked the way he watched you. Liked the way it felt to be wanted that sharply, that confidently. Liked it way too much that something tingled.
Suguru saw everything and it set him off. Not loudly. Not dramatically. Just that quiet, sharp irritation only a brother can have when he sees you slipping toward the exact danger he warned you about.
Before you could move, before you could even think about taking a step toward that bike...Suguru walked past you, grabbed your arm firmly and tugged you along.
“Let’s go.” He muttered under his breath.
You stumbled after him, still half-turned toward Toji, who didn’t miss a single second of the scene.
His eyes followed you, slow and deliberate, drinking in every step as Suguru pulled you away. Even when the distance grew, he kept you in sight...chest rising, jaw tightening behind that almost-smile hidden in the helmet.
You only broke the eye contact when Suguru his strength shifted pull, forcing you to face forward.
“Remember what I warned you about?” he said, letting go of your wrist as he shoved his hands into his pockets.
You hummed, playing innocent, even though the heat still lingered on your cheeks.
Suguru exhaled like a man who was too tired for this. “Exactly,” he muttered. “You told me you wouldn’t fall for it. Look where you are now.”
Slowly your cheeks puffed your cheeks, embarrassed. Regretful. Mostly because he was right…and you hated when he was right.
You heard the others bickering inside the car. Gojo yelling something about snacks, Kenjaku telling him to shut up and Mahito laughing because chaos always entertained him.
Suguru opened the door, the loud chatter spilling out into the parking lot. He jerked his chin toward the seat. “In.”
You obeyed, slipping inside, the noise swallowing you the moment the door shut behind you. As Suguru rounded the car, you couldn’t help stealing one last glance out the window.
Toji was still there, still watching and rolled his shoulders once. The engine rumbled beneath him, low and rough. He watched your car reverse first and only then did he turn his key.
The motorcycle came alive with a deep growl, vibrating through the parking lot, echoing off every wall. He didn’t follow immediately, not until he saw your car pulling toward the exit. Then he rolled forward.
The second Kenjaku’s car straightened on the main road, Toji kicked off the curb and matched the car’s speed perfectly, close enough for you to see him clearly through the window, far enough that he wasn’t technically tailing.
Your eyes met for a heartbeat.
Toji leaned slightly, his visor covering his face.
Then he twisted the throttle and the bike shot ahead with a violent burst of speed, weaving between the empty lane and slicing the air like it belonged to him.
Kenjaku’s irritation snapped immediately. “Oh COME ON!” he yelled, leaning toward the window. “Show off!”
“He could’ve been saving gas...” Mahito complained. “If he just rode with us like a normal person.”
Suguru muttered. “Nothing about him is normal.”
The car rolled into the college parking lot and before the engine even clicked off, Gojo practically exploded out of the backseat.
“MY LEGS ARE NUMB—I’VE BEEN DYING IN THERE!” he whined dramatically, stumbling out like a newborn giraffe. “Kenjaku, I swear your weight crushed my legs—”
Kenjaku slammed his door. “Say that again, Six-Eyes, and I’ll make you eat the steering wheel.”
Mahito immediately joined in, laughing as he stretched his arms over his head. “Gojo, just admit you have chicken legs. Don’t blame the weight distribution.”
“HEY—!”
Their voices echoed through the parking lot while you dusted off your skirt, smoothing wrinkles from the fabric. “I’m going off first. I don’t want to deal with tinnitus in the morning.” You wave and hurriedly jogged to the gates.
“Honestly, Same.” Kenjaku sighed, leaning casually against Toji as he walked beside him. “I need my ears working when I drive, so long pretty boys.” He clicks the alarm on his car before he pockets the keys and walked the other way.
Mahito patted Suguru on the back as he walked after Kenjaku. “See you guys around.”
Suguru just exhaled through his nose, watching you walk away and his brother too.
Gojo finally finished his over-dramatic stretching routine, arms thrown above his head and back cracking loud enough to echo. He blinked and looked left then right. “…Where did everybody go?” he asked, genuinely confused, like a lost golden retriever whose owners disappeared mid-walk.
Suguru didn’t even look at him. He just shoved his hands in his pockets and started walking toward the main building. “They left the pretty one behind.” he said dryly.
Gojo gasped, offended. “AW-”
Suguru snorted. “I meant me.”
Gojo sputtered, chasing after him. “WHAT DO YOU MEAN YOU—?! I’m literally dazzling—”
Their bickering trailed behind them as they headed toward campus.
You reach your classroom after practically speed-walking ahead of the boys, desperate for a moment of peace. You sank into your seat, pulled out your phone and let your shoulders drop.
You barely had three seconds of quiet before Mai slapped both palms on your table and slid herself half-sitting on it like she owned the place.
“Y/N...” she groaned dramatically, dropping her head back. “My weekend was so boring I swear I almost died. Like, literally died. Nothing happened. NOTHING.”
You snorted. “You should’ve told me. I would’ve hung out with you.”
Mai rolled her eyes so hard you heard it. “As if your brothers would let me. They look at me like I’m going to...what? human-traffic you or something. I have to write a whole thesis essay just to get them to approve one outing. It’s insane.”
You laughed softly. “That’s not true. They just want assurance, that’s all.”
Mai puffed her cheeks, unimpressed. “I swear… they should be thankful they’re cute or—”
“Or what?” you teased without looking up. “You’d never be friend with me?”
You said it lightly, casually…too casually. And Mai froze. Her expression faltered, brows tightening as she studied you.
You instantly regretted it. “S-sorry—that was…a blast from the past. I shouldn't have said that.”
Mai shook her head fast. “Hey, no. Don’t say stuff like that.” She nudged your knee with hers. “I didn’t even know your brothers before you. I’m here for you, girl! Not them.”
Your chest loosened at that and you gave her the softest smile you had in you.
But the moment stayed warm for exactly two seconds before the volume outside your classroom exploded.
High-pitched shrieks, giggles and a whole wave of girls racing towards the windows of the classrooms.
Mai didn’t even need to look. “Oh great. The blue-eyed menace and the monk are here.”
You didn’t have to guess who she meant because the corridor was already shaking from squeals.
“Gojo-sama!”
“Suguru looked at me—OMG he SMILED—”
“They’re so hot together someone shoot me—”
You couldn’t help but chuckle. “Wait, did you just say Suguru looks like a monk?” you asked, eyebrows raised.
Mai blinked like it was the most normal description ever. “Yeah? What about it?”
You leaned back in your chair, lips curling into that wicked, teasing smile that Mai always hated because it meant you were about to expose something. “Oh nothing… just funny you don’t like the monk—” You paused dramatically, tapping your fingers on your phone. “—but you do have eyes for Frankenstein.”
Mai froze, the tips of her ears instantly turning red. “I—I DO NOT!” she sputtered, running her fingers through her hair the way she does when she panics, each stroke getting more aggressive until it looked like she was trying to comb out her soul.
“Mhm.” you hummed.
You’d long accepted that your brothers were genetically cursed. Stupidly attractive. Annoyingly magnetic. Walking, talking magnets for attention and trouble. By now, you were desensitized. But it wasn’t the crushes that bothered you but everything else that came with being related to them.
But you kept the smile, tucking those thoughts away.
“Kenjaku did tattoo stitches on his forehead because he got drunk. That’s basically a Frankenstein origin story.”
“I know...and it was one of the best decisions he made!” Mai bit his lip at the thought of his face but quickly cut herself off, eyes widening at her own confession.
You lifted a brow and she stared back. You both knew you were about to tease her into the next lifetime.
Classes came and went in that typical Monday blur. Math that felt like a personal attack. History where you nearly fell asleep twice. Science that smelled vaguely like burnt plastic because someone messed with the Bunsen burner again. And PE, which you didn’t mind cause mostly it gave you an excuse to ditch everyone and jog ahead, clearing your head before anyone could slow you down.
By the short break before your next class, the halls were alive with chatter. You and Mai ended up leaning against the open window of the fourth floor, the one that overlooked the inside garden, a wide courtyard with a stone fountain in the center, big trees shading worn benches, students scattered around in little circles of their own worlds.
Mai was mid-story, hands flying animatedly as she described the absolute clown behavior of her cat. “And then get this, he jumped off the couch like he was possessed! ran full speed into the glass door, bounced off and acted like nothing happened—”
“Like you.” you muttered.
Mai ignored that completely. “—and I swear he’s losing brain cells as we speak. I’m worried.”
“Mhm.” You nodded, watching a group of first-years argue about vending machine drinks. “Sounds like your cat needs therapy.”
“HE DOES! I’ve been telling everyone he does!”
Her voice faded into background comfort as your eyes wandered, not because you weren’t listening but because you always scanned the campus on instinct.
Up at the balconies, the walkways, the stairwells—And then on the opposite end of the courtyard, leaning casually against the railing of the second-floor walkway, was a familiar figure Toji.
He was already looking at you. Like he had found you first and he’d been waiting for you to notice him.
Mai was still rambling about her cat’s latest act of idiocy, completely absorbed in her own world while yours was completely on him.
Your lips curved into a small, almost involuntary smile as you tilted your head. A teasing greeting only Toji would understand. And he did.
Toji’s lips pulled into a slow smirk, his eyes half-lidded, giving you that look that always felt like it saw through you and into you at the same time. The kind of smirk that made it seem like he knew exactly what you were thinking.
But then a pair of hands latched onto his arm.
Toji’s brows twitched downward in immediate annoyance, jaw tight…until he actually looked at who it was. The shift was subtle...a lazy half-smile, a sigh through his nose and he let himself be pulled away without a word. No goodbye. No last glance at you.
Just walked off, Willingly.
Your stomach dropped. Not dramatically, just that tiny, quiet ache you’d felt more times than you cared to admit. You straightened your posture, eyes following the girl dragging him into the classroom. You didn’t recognize her. Pretty. Confident. Exactly the type that clung to boys like him.
You exhaled slowly. You were used to this. Toji was… Toji. One of the popular ones. Someone people gravitated toward without effort. Eye-catching in all the wrong ways and all the ways that made it impossible to ignore him.
You didn’t know if the rumors were true that he slept around, and went through people like a hobby. But deep down…in some quiet place inside you…You hoped they weren’t true. You hoped people were exaggerating. You hoped that maybe...if it was you. He'd actually care.
Meanwhile, in another classroom.
Suguru and Gojo were already causing their usual brand of chaos. Half the boys in class were crowded around their desks, arguing about some stupid bet Gojo had started. Something about who could finish a bag of wasabi crackers without crying.
Suguru, sitting back in his chair with that calm menace he carried so well, watched them like they were circus animals performing for his amusement. Every now and then he’d speak up and escalate the argument on purpose.
And the girls? Well, they hovered. Not too close but close enough to be noticed as they tried, very obviously to hand over extra copies of the homework.
One girl even tucked a handwritten cheat sheet under Suguru’s notebook. Another giggled as she placed hers on Gojo’s desk.
Gojo took it, looked her dead in the eye, and said “Aw, thanks! I’ll make sure to give this to someone who actually needs it.”
The class erupted but He didn’t mean it to be rude, he meant it to be factual because he knew damn well he wasn’t going to read a single word of that assignment.
Suguru instantly gave it back. “Don't worry ladies, Nanami got us covered.” he smiled pouting a thumb to the quiet blonde behind him.
Before the chaos could escalate further, the classroom door flew open.
Professor Kimura walked in with his usual expression: done with life, done with teenagers, done with Gojo, done with everything.
The room went from roaring fire hazard to slightly controlled forest fire.
“Alright, settle down.” he said, not sounding like he expected anyone to listen. Only half the room did.
Gojo didn’t. Suguru pretended to.
The professor continued anyway. “We’re starting today’s announcement.”
Groans rippled across the room.
Professor Kimura adjusted his glasses and lifted a thick stack of papers. “It’s time to begin your mid-year thesis preparation.”
Half the class gasped. The other half actually screamed. And Gojo, slammed both hands onto his desk dramatically. “WHAT? WHY?! I’m too young to be doing adult things!”
Professor Kimura didn’t even blink. He had been teaching long enough to know Gojo Satoru was a walking migraine with legs. “You will form groups of three,” Kimura continued. “Your topics will be assigned randomly. No, you may not change them. Yes, this counts for thirty percent of your grade.”
Gojo fell backward into Suguru’s lap like a Victorian maiden fainting. “Suguru, this is it!” he whispered. “I’m going to die. Write something poetic on my tombstone.”
Suguru pushed his head off his thigh with a single finger. “You’ll live. Unfortunately.”
Gojo groaned louder than necessary while the professor simply continued handing out the papers, long-suffering and dead inside, as if he didn’t hear a thing.
Suguru flipped his open with a sigh. His eyes scanned the list of assigned groups and his shoulders dropped. “…Me and Satoru again.” he muttered flatly.
Gojo gasped like he’d been stabbed. “Excuse you—what was that sigh? You should be HONORED. We’re a power duo!”
Suguru didn’t look up. “We’re a disaster duo.”
“Well,” Gojo said proudly, “a disaster with taste, right Nanami?”
Nanami glanced over from the row ahead. “Please don’t include me, I already checked. I’m not in your group.”
Gojo leaned over Suguru’s desk, dramatic as always. “Check again, Nanami~ What if destiny placed you with us?”
Nanami didn’t bother dignifying that with an answer.
Suguru scanned the next line and froze. “Ryomen… Sukuna?”
Gojo peeked over his shoulder. “Who the hell is that?! Sounds like a cursed doll brand.”
Suguru called out.“Any Ryomen Sukuna here?”
Gojo stood on his chair. “YOOO, RYOMEN SUKUNA! YOU IN THIS ROOM?! Haven’t heard of you!”
For a moment, it was silent. Then a hand went up from the very back corner of the classroom.
Everyone turned because no one had noticed him sitting there before.
A tall, shredded guy with broad shoulders, thick forearms resting lazily on his desk, tattoos peeking under the sleeves of his uniform shirt. His pinkish hair was stroked back and his expression was unreadable.
The entire room went dead quiet. Even Gojo dropped back into his chair.
Professor Kimura blinked. “Ah—yes. Mr. Sukuna. I nearly forgot to introduce you.”
Sukuna stood up. The scrape of his chair echoed like metal against stone. He walked down the aisle with heavy, controlled steps. Not clumsy. Not loud. Just…a presence that demanded attention. And somehow no one had noticed him until now.
He stopped at the front, towering a full head above the teacher.
Someone whispered behind Gojo “Bro, I think he’s even taller than Gojo…”
Another whispered “Look at his arms… he could break us in half…”
Professor Kimura gestured for him to speak. “Everyone, this is Mister Ryomen Sukuna. A transfer student from...uhm...a public school. I don't remember the name but he'll be joining us for his senior year.”
Half the class leaned forward and other half held their breath.
Sukuna looked around, eyes heavy-lidded, assessing the room with the calmness of someone who had already measured everyone’s strength and found them boring.
Then he spoke. His voice was low, husky, and deep enough to vibrate through the floorboards. “I am Ryomen Sukuna. You may call me Sukuna.” a slight tilt of his head. “It’s a pleasure to be here.”
The girls melted. The guys stiffened.
And Gojo choked on his own saliva.
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