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Unhealthy Obsession

Summary:

Oikawa blinked in surprise at the other, mouth slightly ajar before he let out a delighted laugh. “You!” He crowed in between chuckles. “I like you, Iwaizumi Hajime.”

Oikawa Tooru, one of Japan's most notorious killers is finally caught after months of chasing and Iwaizumi is glad everything has come to an end. However, things don't quite go the way he had expected with the killer developing a strange liking toward him.

(INCOMPLETE WORK but does include summarised ending)

Chapter 1: Knock

Notes:

So I found one of my original ideas for 'Arrest me Officer' which has a much darker twist to it but thought it might be fun to finish it off
It's ALOT more serious than my other fics but I hope you enjoy!

(See the end of the chapter for more notes.)

Chapter Text

Today was the day. The day Iwaizumi had been anticipating as much as he’d been dreading. Standing in front of the familiar building of the police station, he inhaled deeply, exhaling in a shaky breath. He had been waiting for this moment for a long time.

The station appeared much gloomier, the dreary slabs of grey layered over even more bleak greys. It cast a shadow over Iwaizumi's face as he eyed the lifeless structure. Cool air swirled around, slipping through his jacket and prickling his skin like icy fingers. He wrapped himself tighter and walked in.

“Afternoon, Iwaizumi.”

“Today’s the day, right? Are you nervous?”

"Good luck, man. I'm sure you'll be able to crack him."

He nodded to those who greeted him, their tight, forced polite smiles which never quite masked the sympathetic looks in their eyes. He didn’t mind though. “I’m just glad to get this over and done with,” he replied, flashing them with his best reassuring smile. From their side glances, he knew it wasn't working but neither side commented.

Excusing himself, the officer marched his way through the dark corridors as he made his way in to the office kitchen. Upon finding it empty, he sighed in deep relief, dropping his façade. “Today’s the day,” he murmured to himself.

The day of his interview with Oikawa Tooru.

Iwaizumi exhaled deeply, shaking his cold hands. The jittery nerves didn't help. He walked over to the coffee machine, leaned in and pressed the button.

Click. Gurgle. Drip. Drip.

Dripping. The sound of blood. The sound of Matsukawa’s blood dripping as he gasped in short, feeble breaths. He opened his mouth to speak but only the strained sounds of gurgling choked out. Matsukawa's eyes were rolled back, practically all white and glassy as his body shook with fits of uncontrollable tremors.
"H-hhel-p.. pp m..mm-"

Iwaizumi closed his eyes.

It had been two weeks since they had arrested Oikawa Tooru. He had slipped and squirmed out of their grasp, toyed with them for months until now.

“Matsukawa would’ve been proud of everyone,” Hanamaki had once said, face scrunched up so tightly to hold back the tears. “That idiot. That absolute fucking idiot. He was always overeager, getting himself in to situations he wasn’t meant to be in.”

Iwaizumi was sure his face haunted Hanamaki just as much as it affected him. That once laid-back smile now stretched open to a contorted ‘o' as the hands which once reached over to jab him teasingly in the stomach curled around his neck to stop the crimson waterfall. He couldn’t remember the last time he hadn't woken up in cold sweat and throat clenched up so tightly despite wanting to scream.

“Iwaizumi.”

The officer blinked, finding himself back in the middle of the office kitchen. The coffee has finished brewing, the jug of black coffee sitting still. He turned around to greet the other. “Kunimi.”

The officer held an empty mug, watching him with uncertainty. “I heard today’s the day,” he spoke softly.

“Yeah,” Iwaizumi replied. “Today’s the day.”

Kunimi nodded slowly, moreso to himself. His expression scrunched lightly with concern as he opened his mouth. “I um,” The officer paused before shaking his head. “I don’t understand why you’d want to do this. I understand you want justice, but if I were you, I wouldn’t ever want to see him.”

Iwaizumi stared back then dropped his gaze. The mug in Kunimi’s hands was trembling lightly. He smiled. “I’m hoping it’ll bring me some peace.”

Kunimi bit his lip, brows scrunched but he nodded. “I see.”

Iwaizumi nodded, before placing the empty mug back on the rack. “I better be going then. See you,” He nodded before skirting around and making his way out.

“Hajime.”

He paused, turning around to face the other. Kunimi placed his mug on the table, wrapping his shaking hands over each arm. His eyes shone with something Iwaizumi couldn’t quite decipher. “Stay safe. Please.”

Iwaizumi blinked, before looking down. “You have nothing to worry about. He’s locked up now,” Iwaizumi smiled again, forceful and awkward. “What’s the worst he can do?”
He tipped his head and made his way to the interrogation room.

 

 

 

Daichi was already waiting for him, eyes glued on the wide pane of glass. He stirred at the sight of him, lips slightly parted as though he were surprised to find him here.

"Hey," Iwaizumi spoke calmly. He tucked his hands in the back pockets of his pants to prevent them from shaking. The last thing he needed was Daichi finding an excuse to stop this interview.

Daichi's gaze slid from head to toe, returning to meet his eyes. He nodded affirmatively. "Hey. Just on time."

“Where is he?”

Daichi tilted his chin toward the other room. “In there.”

Iwaizumi hesitated before taking a small step closer. His heart tremoured as he approached. Months of chasing had finally led to this moment. On the other side of this window sat Matsukawa's murderer. Iwaizumi's footsteps echoed loudly and he wondered whether the person on the other wall could hear it.
Daichi took a respectable step to the right, ensuring he had enough space to come see. Iwaizumi's inched closer, eyes darting about before they zero-ed in on the individual.                                                                                                                                                    

He was young, possibly even Iwaizumi’s age. He had a slightly lanky figure, though it was undeniably fit. He was handsome too. Light, toffee-coloured eyes with mused chestnut hair. Broad shoulders with a lean waist. Slim face with youthful features. He was nothing Iwaizumi had envisioned. He hadn't exactly considered what he'd look like but he was completely thrown off. Oikawa Tooru was a human being.

He was chained by the wrists, connected to the steel table. Oikawa sat in complete silence, staring to the left at the wall in front of him.

“He’s not what I expected,” Iwaizumi spoke quietly.

“Yes, he’s not,” Daichi murmured back, eyeing the man inside. His jaw twitched as he continued to stare with ill-remorse. “I suppose he used that to his advantage.”

Iwaizumi felt his gut tighten. He couldn't keep his eyes off the man on the other side of the window.

"You know, you don't have to d-"

"I know," Iwaizumi interjected. Forcing his eyes away, he looked directly over at Daichi. "But I need to. I need to know why."

Officer Daichi tightened his lips, eyes flashing with inner conflict. He sighed, reaching over and handing the other a cream-coloured folder. "Here are the interview questions. From his previous interrogations, I find it's advisable to go in extra prepared. Often he'll shift and distort your questions so make sure to avoid that. Don’t be fooled by his words and actions. He is a mastermind of manipulation.”

Iwaizumi nodded, fingers trembling slightly against the interview files. He cleared his throat. “It’ll take a lot more than to sway me.”

Daichi smiled for the first time since they had spoken and he nodded. Shifting his gaze back to the window, he murmured gently. “If I want you out of there, I'll knock once. You are to abide by this rule, understand? One knock," He straightened his back and crossed his arms. "Other than that, I’ll be with you all the way.”

Officer Iwaizumi nodded as he turned to the door on the far left.

Oikawa was swirling his finger idly on the table, chin resting on his other palm as though he were in a waiting room. His eyes were half-lidded, lips pursed in a slight pout as he huffed lightly in mock boredom.

Iwaizumi shook his hands lightly and exhaled deeply. “Come on, Hajime,” he whispered to himself. “Let’s get this over and done with.”
He entered the room.

Oikawa didn’t acknowledge him as he gently opened and closed the door behind him. Iwaizumi tightened his grip on his manilla folder and took a brisk step forward. “Evening.”

Oikawa’s fingers paused in its circular motion, lazy eyes peering over at him. He stopped suddenly, eyes suddenly alight with something Iwaizumi couldn’t quite decipher. “Oh?” Oikawa murmured. “It must be my birthday,” He smiled at the other, face melting in to a friendly expression.

Don’t be fooled by his words and actions. He is a mastermind of manipulation.’

“Mr. Oikawa Tooru, pleasure to meet you,” Iwaizumi spoke tersely. He placed himself in the seat across from him, ignoring the way Oikawa blatantly stared at him with no shame.

“Pleasure to meet you."

Iwaizumi flipped through the questions, skim-reading through. His heart raced like a hound dog and he forced himself to look down. “I have a few questions I would like to ask and just wanting to let you know this meeting is recorded and any evidence can and will be used against you. Please answer the questions to the best of your abilities.” Iwaizumi glanced up from the folder to find two large eyes staring back. He forced himself to remain as still as possible, staring back.

Several moments passed before Oikawa leaned back in his chair, the chains around his wrists rattling lightly from the movement. He was smiling widely as though deeply amused. “Of course.”

The officer nodded, examining his clip board as he clicked his pen. "First question.."
The two sat across from one another, with Iwaizumi going through the list of questions Daichi had set out for him. However, as timr passed he could help but notice the interview was becoming even further.. onesided. Oikawa would simply pick at his nails, hum a light tune to himself or divert on to a completely irrelevant subject such as 'how cool the weather was becoming lately'. He smiled, hand waving dismissively as he spoke, almost as though they weren't siting caged within a grey interrogation cell. Iwaizumi felt himself grow increasingly irritated at the other. Was this even the right man? How could he remain so calm?

After the fifth question of no response, Iwaizumi sat back and let out a deep frustrated sigh. "Mr. Tooru, I cannot conduct an interview if you're not participating."
Having received once again another blank stare from the other, Iwaizumi breathed out heavily through his nose before glancing over to the next question. His eyes skimmed through before he hesitated. "I uh," he managed, looking up at the ceiling. "Well, this interview doesn't seem to be going anywhere so I'm just going to leave it at that."

This seemed to grab Oikawa's attention as he sat up straight. "What? Giving up already?" He stuck his lower lip out in a childish pout. "You're no fun."

"Fun?" Iwaizumi's sharp eyes darted up to meet his. "You think this is fun? Mr. Tooru, you are being charged for life imprisonment for murdering seven individuals. And those are seven identified individuals. Who knows how many more throats you've slit," His voice had grown sharp, on the verge of hissing as he struggled to control himself.

Oikawa sat in stunned silence, eyebrows shot up in incredulity. His mouth stretched in to a wide grin. "Seven individuals? My goodness, that is a lot. I think I lost count after three."

Iwaizumi felt his blood boil and he dropped his gaze. He worked his jaw, counting to ten. "Was there a reason or motif behind these murders?"

“Are you always this grumpy? You're not mad at me are you?" Oikawa prodded, watching the other will frightening precision. "I had to get rid of those people. They were going to blow my cover, you see." He tilted his head to the right as he continued. "And FYI, I didn't use a knife for everyone. Knives were only used during desperate measures. Like with the cop." Oikawa leaned in, mouth curled in to a gentle pout. “Very tragic. Was he your friend?”

Iwaizumi grit his teeth as he focused on his questions. “Was there a reason to wh-“

“He didn’t beg for mercy like the others. However, the noises he made. All that gurgli-“

Was there,” Iwaizumi repeated, steel laced in his tone. “A reason or motif behind your actions?"

Oikawa stared at the officer, deep swirls of caramel piercing through him. Silence rang, tension sizzling between them as Iwaizumi returned his stare with as much neutrality as possible.

Oikawa split in to an apologetic smile. “Ahh, he was someone close to you,” He sighed, dropping his gaze on to the metal table separating them. “Now I understand. If it means anything now, I am genuinely sorry.”
He looked up again, his smile wiped off completely. "I hope you find some peace under all your grief."

Iwaizumi blinked slowly. “Um,” he said lamely. The sudden demeanour caught him off-guard and he could feel tears suddenly welling up from the back of his eyes. He discreetly wiped them as he looked down at his interview questions, struggling slightly to maintain his composure. Oikawa looked the other way, chin resting on his palm which covered his mouth.

The two remained in silence once more. Iwaizumi wished he had his wristwatch with him to check the time. How long has it been? It felt like ten years. If Daichi hadn’t knocked on the door yet, surely he was doing something right.

As though reading his thoughts, Oikawa suddenly straightened himself. “Okay!” He chirped in a cheerful manner as he clapped three times, chains rattling lightly. “What’s the next question? Time is a-tickin’ and I can practically feel your senior officer’s gaze boaring holes in the side of my head.” He slowly tilted his head to the far left wall, raising his hand and twiddling his fingers in a dainty wave.

“You didn’t answer my previous question,” Iwaizumi reminded, feeling much more collected. “What was your moti-“

“What’s your name?” Oikawa turned, head still tilted. His eyes twinkled with curiosity. “It feels strange you knowing my name and I don’t know yours. Please tell me.”

Iwaizumi glanced up, though unable to hold eye contact for long. His eyes darted over to the wall where Daichi would be watching and turned back to his questions.

Oikawa followed the movement, mouth curling in to a pleased smile. He leaned in as far as he could, and although it wasn’t particularly far, Iwaizumi felt like the air had been sucked out of the room. “Oh come on. Don’t go shy on me now,” Oikawa coaxed gently.

Iwaizumi refused to look up as he coughed and repeated his question with well-trained patience. “What was y-“

“I’ll answer if you tell me your name. In fact, I’ll tell you everything you want to know. We need to establish give and take in order to maintain a healthy relationship,” Oikawa nodded in an as-a-matter-of-fact manner. “I read it in the Cosmo magazine.”

Iwaizumi stared at the other, unamused. However.

Oikawa batted his eyelashes, wide, doeful eyes watching his every move. “It’s not like I’m going to be going anywhere anytime soon,” he pointed out, holding up his wrists. “What have you got to lose?”

Iwaizumi stared back, chewing the inside of his mouth. Why wasn’t Daichi knocking on the door yet? Was he okay with this? Red alert signs were flashing madly in his mind. Across from him sat one of the most notorious killers, hands linked together on the table neatly as he waited patiently for his response. Well, what Oikawa said was true. There would be no way he would be able to worm his way out of the guaranteed lifetime sentence. Still, there was something slightly odd in the way he watched Iwaizumi with a knowing smile, as though he were making a deal with the devil. ‘He’s just a human’.

“Fine,” Iwaizumi finally answered. Cold sweat formed at his temples when Oikawa grinned, eyes alighting in excitement. “But you need to go first,” the officer added.

“No,” Oikawa retorted easily. “I’m telling you everything. You and I both know the value of this information. And don’t think you’ll get anyone else to pry this information from me neither. This is exclusively between you and me,” He fluttered his eyelashes and bit the right corner of his lower lip. “Pretty please? I won’t bail on my half of the deal. We can pinky promise too if you’d like.”

Iwaizumi swallowed hard, toes curling in his shoes as Oikawa watched him without so much as blinking once. Did he really have a choice?
“Okay,” he said. “We keep to our words, agreed?” He eyed Oikawa who nodded madly like a small child. “My name,” Iwaizumi looked down at his papers. “My name is Seik-“

Don’t lie.

Iwaizumi refused to flinch at the sudden sharp tone. Though, his heart hammered as he peered up at the other with a placid expression.
Oikawa composed himself immediately, hooded eyes suddenly sparkling again as he let out a sheepish laugh.

“I’m sorry, I just don’t appreciate liars. Do not lie. Please,” He smiled, all his teeth showing at he stared at Iwaizumi through the gaps of his now slightly frazzled hair.

Iwaizumi eyed the left wall again. Seriously, was no one watching? Weren’t they going to stop him? Iwaizumi exhaled slowly, knowing he was going to regret this deeply. “Hajime.”

“Hajime,” Oikawa repeated slowly and Iwaizumi inwardly grimaced. It sounded wrong when he said it. “Last name?”

The officer glared harder at the other. “Iwaizumi,” he forced out. He felt his insides turn cold and he slumped back in defeat.

“Iwaizumi!” Oikawa smiled widely as though greeting an old childhood friend. “I knew it! A strong, handsome name for a strong, handsome man! See, that wasn’t so hard,” Oikawa spoke softly, eyes melting in to that strange, affectionate look. “You’re such a tease.”

This was not going the way Iwaizumi had planned. He worked his jaw, heart still sinking. It felt as though he had been violated from the way Oikawa held his chin up, regarding him through half-lidded eyes. "Don't." he warned.

"Don't what?" Oikawa continued to eye him up and down. "What am I doing wrong, Iwa-chan?"

The officer felt his left eye twitch involuntarily as his shoes grounded on the floor. "I can see why others refused to conduct a second interview with you," he said sourly.

Oikawa grinned. "Not my fault they can't keep up with me. However," he paused, resting his chin on his hands. "You seem to be doing just fine."

"Sheer luck," the officer muttered, crossing his arms.

Oikawa's gaze dropped on to his biceps, lingering before looking back up. "Not sheer luck. I mean, no offense but some of the fellas here are a complete bore. For instance, I had an officer come in earlier. Three seconds in and I could tell it was going to be torture. Is he always like that? The one with the pompous attitude” Oikawa frowned. “I mean, I've had my fair share of dealing with terrible people but wow, I think he upped the scale.”

Iwaizumi didn't have to ask to guess who it was. Ushijima always had that effect on people, criminal or non-criminals alike. He snorted before he could refrain himself. Realising his mistake, the officer coughed to cover it up.

Oikawa blinked in surprise at the other, mouth slightly ajar before he let out a delighted laugh. “You!” He crowed in between chuckles. “I like you, Iwaizumi Hajime.”
His eyes were wide as he stared at the officer with great awe. “You’re now my favourite.”

This completely wiped the embarrassed look from Iwaizumi’s face. “I would prefer you didn’t call me by my name. Officer is fine.”

“But I like saying your name,” Oikawa’s usual high pitched lilt dropped several octaves lower. “It’s more intimate this way.”

"I've done my side of the deal," Iwaizumi diverted immediately, ignoring the amused looks from the other. "Now you tell me why you did it."

"Why?" Oikawa hummed loudly in consideration. "Are you asking me why I did what I did to those people, or why I slit your friend's throat?"

Iwaizumi grit his teeth. "Both."

The killer paused, eyes on the other as he tapped his finger on the table. After a brief moment of silence, he spoke softly. "You may think this will help clear the endless buzzing in your mind," He tapped the side of his head, chain rattling as he did. "But it won't. I've tried."

Iwaizumi stared hard. He leaned in. "Why. Did. You. Do it?" he asked again, voice now gravelly and on the verge of growling. "I'm not going to ask twice."

Oikawa gazed back calmly. "You know, we're very similar, you and I," Oikawa murmured. He looked at Iwaizumi with wonder, as though seeing him from a completely new perspective. "I'm glad we've met, even if it were like this. Even though some sacrifices had to be made, I'd happily do it again for you." The corners of his eyes crinkled with fondness.

Iwaizumi felt a wave of ice rush through him. 'Sacrifice?' The images of Matsukawa embedded in his mind reappeared, scorching the back of his eyes. He was wrong. Iwaizumi had been wrong from the start. Oikawa Tooru was no human being.
"What," Iwaizumi whispered. His throat clenched, fists trembling with fury. "What the fuck did you just say?"

"We could have so much fun, Iwa-chan," Oikawa insisted. He continued to smile widely in amusement. "You and me against the world."

“You vile piece of shit, I am nothing like you,” Iwaizumi snarled. He loomed over, though making sure he kept a safe distance between the two. Oikawa leaned in, excitement and awe shining in his eyes.

“You are a twisted person with no understanding nor consideration of your actions,” Iwaizumi continued. “Now you face the consequences. Enjoy living in prison with nothing to occupy you but your fucked up mind.”
Iwaizumi was breathing hard, brows furrowed so deeply as his blood boiled.

Oikawa watched him with a pleased smile before letting out a breathy exhale. “You’re even prettier up this close.”

Iwaizumi swung his arm back, hand bunched up in to a fist, read to p-

Knock.

He stopped mid-air. ‘Thank Christ.’ Letting out an exhale he hadn’t realised he’d been holding, he allowed himself to wind down and dropped his hand. “It appears time is up,” he said in a tense manner. “That commences the end of our interview. Unfortunately, I will not be rejoining you for another session but I bid you good luck in court and enjoy your time in prison." He stood, chair screeching as he nudged his way out. He ignored the blatant stares coming from across as he stacked his papers together neatly. His fingers trembled lightly but he paid no mind, more than ready to leave the room. "Good b-"

Knock, knock.. knock.. knock, knock, knock.

Iwaizumi stopped. The knocking was cut abruptly, room in complete silence. Even Oikawa remained silent, eyeing the door with curiosity.

I will knock just once to let you know.’

The knocking had ceased but no one was entering. Iwaizumi shifted uncomfortably. He slowly placed the files back on the desk, trying to even his breath. Something was off.

“Hey,” Oikawa whispered. “If you want, I can go check what the fuss is about.”

“Shut up,” Iwaizumi warned in a low voice. He didn’t bother turning around, eyes glued to the door. He had a bad feeling about this. “You are not going anything.”

His stomach coiled as he inched closer to the door. The window at the door was blacked out completely, as well as the bottom crevice. The interrogation room was purposely built to prevent criminals like Oikawa from outside communication. Iwaizumi felt his chest clench as he eyed where the wide mirror pane on the other wall would be placed. Surely Daichi would've come in by now..

“Iwa-chan.”

The officer could hear the chains rattling as though Oikawa had already grown bored from the lack of attention. “I said shut up,” he hissed. Something was definitely wrong. The longer he contemplated the antsier he felt. There was no way Daichi would've allowed him to reveal his name regardless of the circumstances. He felt his heart sink and his insides turn cold.

“Hajime.”

What?!” Iwaizumi spun around, teeth grit and-

Oikawa was sitting at the table when he raised his arms. The chains were left, disgarded by the floor. “Magic!” Oikawa whispered with a wide grin. Then there was complete chaos.

Iwaizumi barged forward, as Oikawa raised his legs to kick himself from the table. He leapt up, grabbing the back rest of the chair. He swung it hard against the other. Iwaizumi grunted from the impact, sharp splintery sounds echoing when the plastic chair snapped. He had little time to recover with Oikawa darting to the right and towards the door.

“You’re not fucking escaping!” Iwaizumi snarled, lunging himself forward. “Not this time!”
Oikawa’s fingers barely brushed the door knob before he was thrown back by the officer. He stumbled, landing painfully on his right hip.

Oikawa seemed unfazed, rolling on to his back and leaping on to his feet. He wore a wild grin, eyes alight with excitement. “Nice move!” he called eagerly. “I like it when you’re rough.”

“Shut the hell up,” Iwaizumi panted. His arm was now throbbing, dull waves of ache running from the shoulder joint all the way down to his wrist. He shook it off, ignoring Oikawa’s knowing look. He shifted carefully and placed himself in front of the door. “You’re not going anything,” he repeated.

Oikawa looked absolutely thrilled. “Iwa-chan, you’re giving me chills. I mean, that gaze! I’m going to melt.” He rolled his shoulders back, tilting his head left to right. “As much as I’d love to hang out with you, I’m afraid I need to leave. So if you wouldn’t mind-“ Oikawa rushed in, charging at the officer head-on.

Iwaizumi met him halfway, blocking the swift punches from the left. He let out a rough cough when Oikawa got him in the gut and threw out his leg. He kicked Oikawa in the ankle toward him. He grabbed a tight hold of his shirt when the other tripped on to him. “I need some back up here! Someone secure the outer rooms!” Iwaizumi yelled out, struggling to force down the squirming man. “Anyone ou- fuck!” he choked out at the sudden sharp sting near his collarbone. He slammed Oikawa back on to the ground and backed off immediately.

Oikawa groaned, nursing the back of his head. “Ouchie,” he whined, blinking up at Iwaizumi with mock-hurt eyes. He wiped his mouth with the back of his hand, leaving a faint streak of red running from the corner.

Iwaizumi stared, breathing hard as he gently prodded his chest. It stung like mad and he glanced down to find a smear of blood. “Did you seriously just bite me?”

Oikawa let out a huffed chuckle. “Sorry, heat of the moment.” He rolled on to his side, only to get shoved back down again.

“I don’t understand why I do this to myself. I should just kill you right here, right now,” Iwaizumi snarled, voice like thunder. He closed his hands around Oikawa’s neck. “I should cut your throat like you did with Matsu.”

“And here I thought we were having a moment,” Oikawa frowned in consideration. “I suppose I could forgive you this time.”

“Not this time. Not next time. You are never getting out of here alive,” Iwaizumi threatened, looming over the other.

Oikawa stared up at the officer, eyes glazed over as he struggled to breathe. “You,” he wheezed. “I finally see now. It just took me a little longer,” He reached up with shaky hands, wrapping them around Iwaizumi’s. “It just took me a little longer to recognise that we’re a pair. A pair of freaks. We’re made for each other.”
With little warning, the hands wrapped over Iwaizumi’s right hand and he twisted hard. Electric jolts burned around his wrist, running up the already-sore arm. The officer let out a surprised hiss, relenting the tight grip. There was a flurry of brown and Oikawa’s face loomed in, mere centimetres from his face. Iwaizumi swung in, feeling his fist connect with his hard jaw. There was a sickening crunch and Oikawa’s muffled hiss. Iwaizumi jumped back. A sudden, rough tug at his ankle caused him to flail before crashing heavily against the door.

Oikawa was in his face again, this time slamming his knees in to Iwaizumi’s arms and pinning him down. The officer let out a pained shout, wriggling to free himself. Oikawa dug in harder, causing sharp jolts of pain up and down Iwaizumi’s arms. He stilled himself, breathing hard as he glowered up at the killer.

Oikawa was bleeding from his split lip as he loomed over, breathing just as hard. He swiped his tongue over the swollen section before letting out a wheezed laugh. “Iwa-chan, Iwa-chan, Iwa-chan,” he heaved, grinning down at him with twinkling eyes. “I’m so glad we’ve met.” He reached in, holding the sides of Iwaizumi’s head. “I can tell we are going to be the best of friends.”

“Fuck you,” Iwaizumi snarled, struggling again.

Oikawa dug in fingers in to his scalp, pressing in so hard he could see stars. “Stop that,” He hissed. “I’m trying to have a real moment, here. Learn to read the signs,” He relented a fraction as he sighed.

“It’s been fun but I really must get going now,” He simpered, looking genuinely glum. He pouted, sticking out his bleeding lip. Iwaizumi looked away, breathing hard. His heart pounded and his arms were now prickling from the lack of blood circulation. Was this how Matsukawa felt? This feeling of hopelessness. He scrunched his eyes closed, feeling prickling in his eyes now too.

“Hey, hey, what’s wrong?”

He opened his eyes to find Oikawa leaning in closely looking alarmed. His brows were etched with slight concern. “Come on now, don't cry. I’m not going to kill you.”

“Shut up,” Iwaizumi croaked, inwardly cursing himself for not sounding harsher. “Just do it. I give up.”

He felt his head tug up, forcing him to look directly at the other. “I could never do that,” Oikawa spoke lowly. “I don't want to."

Iwaizumi heaved ragged breaths as Oikawa sat back, tightly compressing his lungs. “Well, you better kill me before I kill you.” The officer rasped, glowering up at the killer through his brows.

Oikawa burst in to a smile. “Now that would be interesting to see. But alas I’m afraid it’s not today."

Iwaizumi felt the hands on his head shift, fingers scraping in the back of his ears before dropping to caress his neck. He remained as still as possible as they moved about, fingers drifting across his neck. "I’ve really wasted too much time now. I best be on my way now. But don’t worry," Oikawa flashed him a fond look as his hands flittered their way up to either side of his head. "We’ll see each other again. Very soon."

He leaned in abruptly, causing Iwaizumi to flinch when he felt the ghost of his breath tickling his ear. "By the way," Oikawa whispered. "Kunimi sends his regards."

Iwaizumi had little time to react as his head was yanked forward then thrown back, smashing against the door with a sickening crunch and-

Notes:

I'm sorry I've left it on a cliffhanger but this is going to have to be a one-shot
If I do another cop au fic I might just combust (´ヘ`;)
Which fic do you guys prefer? The light-hearted one or this one?

Once again, thank you for reading!

UPDATE: Nevermind, it's now a multichap fic!