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ashleyh713fanfics · 3 months

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Dazai X Odasaku!Sister "Timeless" P1

Hello! I've been writing for awhile but this is the first time writing bsd. I gave Oda's sister a name but I'll do a version with y/n if that's more your speed. Synopsis: After Odasaku's death Dazai searches for a way to fulfill his last request but doesn't know where to start. That is until he meets Odasaku's mysterious little sister. Warnings: Usual bsd warnings. Murder, talks of death and suicide, Dazai being a sociopath. Part 1/3

Osamu Dazai was not a good man.

In fact, it would be absurd to even call him an average man. No, it seemed the fifteen year old boy knew just what kind of evil laid in every single cell of his body. It had always been that way, corrupting him for his entire life and there was no stopping it.

So the mafia executive had just accepted it, falling in line as the youngest person to ever command a fleet with absolutely no mercy. That’s just the way things were, and there was no changing them. Although, it wasn’t like the boy wanted change either.

The chaos, the destruction, the death, it was all he had known.

Hearing his newest victim's scream seemingly brought him out of his own philosophical thought though, causing the boy to lower his eyes and focus back in on the chained man in front of him.

Quite honestly, he had forgotten what the guy was being captured and tortured for but Dazai hardly cared, knowing his orders were only to silence him permanently.

Blood began to pour down the victim's face then, watching as the teenage boy reached for the gun on his belt only for the guy to start to scream and shout in his face. “Think about what you're doing, boy! If you kill me you’re going to regret it.”

Dazai only turned his head though, a crazed look in his eye as he cocked the ammunition. “You should have thought about that before double crossing the port mafia.”

Taking a step forward, the boy then pointed the barrel towards the man only for his anger to turn into pure fear, his cries turning into silence as he fully looked in the eyes of his executioner.

And what he saw was absolutely nothing, just a soulless boy with no remorse for his actions in the slightest. “Your eyes hold no feeling, Someday that will be your downfall, someday you will regret the blood you spill so easily.”

For a moment, the bandaged boy paused, curiosity taking up his features as he spoke through the darkness. “And why is that?”

The prisoner then pulled against his chains, lunging for the kid to no avail as his face contorted in insanity in order for him to reply. “Because one day, there won't be a stranger on the other side of that gun. What will you do then?”

Before he could finish, Dazai’s finger pulled the trigger, piercing the enemy five times straight as his lips curled into a bloodthirsty and terrifying smile.

And in his head, the boy replied to his outrages question as the blood began to soak his feet silently. The same thing I always do, because I don't see anyone but strangers.

The man's lifeless body slumped against the chains a moment later as Dazai let off ten more shots into his cold dead muscles as he twitched at the impact. The move was inhumane and psychotic but that was always Dazai’s way of doing things.

He didn’t become a port mafia executive without spilling blood after all.

After a moment, the barrel of his gun clicked him back to reality, all the bullets emptied in order for the boy to simply put the weapon back onto his belt and leave the room in silence.

He felt no remorse for the stranger, or for the brutal way he had ended his life. He never did. Everything had become such second nature to him over time.

Well, there was one person that knew him better than the rest. He was the person that he trusted over all else, almost like a family he never had. The words were still heavy on his mind even now.

Oda Sakunosuke

And whether Dazai liked it or not, he knew that Odasaku was the only one that kept him from going over the deep end into insanity. He kept the fifteen year old boy together and kept him human.

But now he was dead, so there was no one left to hold back the darkness.

So instead Dazai allowed it to fully swallow him whole.

Just then, his phone began to ring inside his pocket before the boy finally put his gun away and answered the call with a low murmur. “Mori, what do I owe the pleasure?”

HIs boss’s voice was immediate, echoing through the darkness. “Ah Dazai, how’s my favorite executive doing? What’s the report?”

Staring at the unmoving body, Dazai then sighed to himself before turning away from the sight in order to scrape some of his blood off his shoes. “The target has been eliminated just like you asked.”

Mori only hummed at that, satisfied with the report. “Very good. Just as expected from the famous demon prodigy. I thought you could use a job after everything that’s happened. You know, to clear your mind from Odasaku’s tragic death last week.”

At the sound of Oda’s name, the boy couldn’t help but tighten his hold on the phone as unwanted memories flooded into him without permission.

Because try as he may, Dazai couldn’t help but continue to hear his dear friend's words in the back of his head. Oda told him to become a good man but that was easier said than done. And though he wanted to fulfill his last wish, the boy had no idea what the mere concept of good was.

For you see, his blood was port mafia black through and through whether he liked it or not. It wasn’t a light switch he could flick in his mind. No, Dazai knew that he had been permanently tainted since he was a child, and there was no reversing that.

He was no longer a fifteen year old kid but rather the demon prodigy.

And demons couldn’t be cleansed into angels. They just couldn’t.

But because of that, the boy felt a gnawing guilt at the bottom of his stomach at all times of the day. It’s like it was punishing him for ignoring his old friend's request. But quite honestly, he knew he deserved it.

Oda was wrong after all, he couldn’t become a good person.

He didn’t even know what good was.

Dazai then felt his mind snap back into place just as he heard Mori finish one of his usual rambles as the boy narrowed his eyes. The boss totally brought up Odasaku because he knew it would garner a reaction from him.

But he wasn’t going to allow that. No, he was too prideful to show his flaws.

Because of that, the boy then forced a smile to his lips before speaking plainly. “Is there anything else you need from me, boss?”

The title came out slightly demeaning, Dazai using the term boss with a twinge of mocking vigor to get under his skin. The boy loved to do that, walking the fine line between respect and disrespect.

“Not partially. I just wanted to see how you were doing. He was your friend after all.” Mori’s sharp dark laugher filled up the space as the boy physically flinched at the world friend.

But once again, Dazai refused to give him satisfaction, the boy simply smiling to myself before turning his head to the side in reply. “I’m great. Thanks.”

Then Dazai simply hung up the phone, the empty space echoing with a long dial tone as he dropped his bandaged arm down to his side as the sunken dead look in his eyes stared at the empty walls for what seemed like forever.

He wanted to see how he was doing?

Of course he wasn’t doing okay.

--------

Dazai had tried to go back to his room at the port mafia but the longer the night got, the more his tired anxious eyes refused to shut. And when they did, he saw Odasaku’s life slip from his fingers, just like it had a week ago.

The boy cursed Mori for bringing up such fragile memories so casually, his body tossing and turning with a groan before finally giving up in order to wander the night streets aimlessly as the cold winter air hit his face.

Although he said that though, the boy quickly found himself wandering into a very familiar place, his hands reaching into his pocket in order to pull out a small silver key and push it into the lock.

The door swung open sadly, allowing the kid to step inside before finally feeling the weight of reality crash down all around him. This was Oda’s place, the apartment where Dazai had found himself many times over the years whenever the mafia felt a little too suffocating.

It was also the place they would go sometimes after having a few too many drinks at Bar Lupin.

Glancing over to the empty living room he pictured a memory of the past as he imagined the ghostly silhouettes of himself, Ango and Oda as they drank around the table and laughed as the men showed him some new card game.

And as cold as Dazai’s heart was now, he missed those times. Why did he take such a thing for granted? Why didn’t he cherish those nights more? He could never get them back no matter how hard he tried.

In fact, the boy had come here tonight in search of something familiar, for something that reminded him of that safe comforting feeling he always had with his old friends. But now, it was cold and empty, just like how the boy felt on the inside.

He couldn’t find Odasaku’s presence anywhere, not even in this place.

Sighing to himself, the boy then walked over to the liquor cabinet in the corner before taking out two glasses and filling them up with whiskey.

Then Dazai lowered his eyes before placing one of the drinks on the table where Oda used to sit before moving over to the other side with a sigh.

Staring at the empty, cruel space across from him, the boy then took a sip of his whiskey as an unwanted wave of emotion coursed through his throat. “Odasaku..”

Suddenly, the entrance to his friend’s apartment started to jiggle and move, like someone was on the other side, as Dazai felt his defenses awaken immediately.

It sounded like someone was trying to break in. But who? Oda told him the only people that knew this place were him and Ango.

Quickly taking out his gun, the boy then narrowed his eyes before slipping out of slight just as the door flew open a moment later. Whoever was trying to steal from his old friend was going to pay for sure.

Dazai then listened carefully as a pair of shoes moved across the wooden floors, the movement halting as the stranger seemingly stopped to stare at the two strange whiskey glasses on the table.

He couldn’t see very much from the angle he was in, only that the stranger was wearing a large black hoodie, the fabric covering up the entirety of their frame and hiding their identity completely.

They then leaned down to touch one of the glasses as the boy quickly cocked his gun in order to place the barrel of his gun onto the back of their temple as the stranger froze.

And when he spoke, it was lethally calm. “Who are you? What are you doing here?”

The stranger was quiet as he watched their hands reach towards their jacket pocket only for the Dazai to assume it was a gun and take action. No, he wasn’t an idiot. Like this guy could pull a fast one on him.

Because of that, Dazai’s face immediately hardened before reaching forward in order to grab the intruder's arm, his fingers wrapping around the surprisingly slim surface before kicking their legs out from under them as they fell backwards onto the ground.

The boy hardly noticed them give a small squeak of surprise at the move.

Pushing the barrel of the gun towards the stranger, the boy added slowly. “You have one chance. Tell me why you’re here.”

The person underneath him tried to squirm but Dazai didn’t let them free, tightening his hold on the trigger before narrowing his eyes. If they didn’t want to tell them who they were then he could just examine the corpse later.

Yet that’s when they heard the intruder speak, soft and quiet, barely above a whisper. And call him crazy but they sounded feminine. “I’m looking for someone.”

Not understanding, he dug deeper. “Who?”

The girl was quiet then, her voice trailing away only for his gun to push even deeper to her temple in warning. No, he wouldn’t allow her to stay silent after dishonoring his old friend's old place.

A moment later she spoke again, except this time the boy was in no way prepared for her answer. “My big brother.”

And try as he may, the demon prodigy paused at that, his hand frozen on the gun as he couldn’t help but turn his head to the side. What the hell was she talking about? Why would her big brother be at Oda’s old place?

Although that’s when a crazy possibility popped into his head before the boy brushed it away immediately. No, that was ridiculous. There was no way.

Scoffing at the idea, Dazai frowned. “Your what?”

The stranger then seemingly sighed to herself before lifting her hand up as his defenses slammed back up in case she tried to try something funny. “He stopped answering my letters a week ago so I thought something might have happened to him. I hopped the first flight I could get and followed the return address on his envelopes.”

Then he watched her reach into her pocket only for his hand to push it back with a lot of anxiety. He didn’t trust this girl, she could’ve been lying, screwing him over. “Nice try but I wouldn’t try anything if I were you. I’m not in the best mood right now.”

Stopping immediately, the intruder’s hand grew tense and rigid against his fingers and for a moment the boy thought she was going to fight back or use some unknown ability on him.

Not that it would matter though considering his ability canceled out everyone else’s. She didn’t stand a chance, especially while he was holding her. No, Dazai would win. It was a guarantee.

Yet it seemed like the girl wasn’t as dumb as he once anticipated, her hand unmoving as she allowed the boy to hold her captive. “Then grab it yourself and see I’m not lying.”

Grab it himself? No, why would he do that? That would just give her the opportunity to stab him or inject him with some kind of poison or something.

Yet the alternative of having her retrieve whatever it is she was trying some him was equally dangerous. No, he couldn’t allow her that kind of freedom.

Because of that the boy narrowed his eyes before hastily reaching his hand out in order to shove it inside the girl’s small pocket on the front side of her drawstring sweatshirt only to pull out a folded envelope just like she had described.

Lifting up the white paper to his face, the boy then recognized the very same address they were at right now, Oda’s address, the one that no one was supposed to know except him and Ango. It was suspicious and strange but she also seemed to be telling the truth.

Just then, Dazai’s face started to grow insanely pale, shaking away the thought before crumbling the empty envelope in his fingers with a scared mutter. “What is your name?”

Her response was immediate, causing the fifteen year old boy’s eyes to widen and his world to come crashing down around him. “Asagao Oda.”

Suddenly, it felt hard to breathe, to think as the boy’s lips slipped out a breathy gasp in reply. No, it couldn’t be. She was fucking with him. There was no way, there was no way he wouldn’t have known about that. Oda was his best friend and he never mentioned this.

Shaking his head in denial, Dazai’s hand began to shake on his gun, his teeth gritting together as he shoved the barrel further into her hidden temple. “Now I know you’re lying. How about you try again?”

The stranger could see this also though, her body moving once again in order to prop herself up onto her elbows and put her hands out in some kind of defense. “I know it’s probably hard to believe but I am..I’m....

Yet the moment Dazai saw movement, his crazed eyes snapped down to the girl before reaching forward in order to grasp onto the top of her hood with a furious shout.” Bullshit, who are you?!”

How dare she deceive him by telling such crazy lies. She would pay for that, for soiling Oda’s honor. He just had to know who she really was first.

Pulling the black fabric down a moment later, Dazai’s gun wasted no time, slamming the barrel into her chest as the girl fell off balance and back onto the floor with a breathy gasp. Now to see who this witch really was.

Yet the moment he adjusted his eyes, Dazai found the very same deep crimson hair he knew for years, pouring down around the sides of the hooded jacket as he stared down at her deep blue cavendish eyes that he had looked into so many times before.

Oh my god, she was a spitting image of his old friend, Odasaku.

But how could that be?

He watched her groan at the sudden force, her eyes squinting behind a pair of large round glasses that took up the majority of her face before opening them again and looking at the gun pointed at her chest.

And though she was so close to death, the girl didn’t dare move, her eyes locking back to the boy’s before Dazai felt his voice break with utter shock.

In that moment, for a split second, the boy didn’t feel like a mafia executive but rather just a confused fifteen year old boy, his voice incredibly small. “It can't be..Odasaku had a little sister..?”

Because if this was true, why didn’t Odasaku mention her, why didn’t he tell him about her? He thought they were friends. But was that wrong? What else did he hold back from the boy?

Yet the moment Oda’s name slipped from his lips, the girl's eyes widened before lifting her hands up to his black jacket in order to utterly ignore the gun that was pressed to her chest. “Wait, you know my brother? Where is he? Please tell me..”

She sounded desperate, the action causing Dazai’s finger to float above the trigger before those horrible memories of his best friend's death flashed through him once more. If she really was his sister, then he knew she’d never find him.

Because of that, the boy told the truth, his voice dull and cruel. “He’s dead.”

And then he waited, he waited for the girl to cry, to scream, to plead with him for something that was already determined and carried out. That’s what the normal response would be, that’s what everyone else did when someone died.

Well, not Dazai but literally everyone else.

Instead, the girl who claimed to be Odasaku’s sister only stayed silent, fingers not moving from his jacket in order for her to close her eyes with something that Dazai read as disappointment before she muttered sadly. “Oh, I see. I hoped that wasn’t the case.”

Pausing for a moment, Asagao then added softly. “How did he go?”

Flashes of that day began to play in his head once more before the boy decided to give her the truth, knowing it wouldn’t matter either way. “He was murdered. I saw it myself.”

Once again, the large rimmed glasses girl only remained silent, like she was thinking something to herself before Asagao replied back sadly. “That must have been very hard on you. I’m sorry..”

And for a moment, Dazai paused. Why was she saying that? Wasn’t she Odasaku’s sister? Surely she sould’ve been the one more broken up about this information. It was like she didn’t even care.

No, that wasn’t right. It was more complex than that. She looked sad enough, but it seemed like she couldn’t make some kind of connection in her brain. In fact, the strange girl showed more emotion towards a total stranger than herself. How strange.

Because of that, the boy turned his head in curiosity. “Why do you say that?”

Asagao only smiled though, the tips of her mouth not quite reaching her eyes as she glanced over to the two glasses of whiskey next to them. “Because if I know one thing, it’s that anyone that pours a drink for the dead truly valued their life.”

Sighing to herself, the girl then looked back to the gun that was holding her hostage before nodding. “Either way, thank you for telling me, and for being there with him in his last moments. I’m grateful to you for that. At least now I know he was truly loved by someone.”

Grateful? Now that was a new one. Usually his enemies weren’t grateful for the torture they received. And Dazai would be lying if he said he wasn't fascinated by the different and strange response.

So much so, a sadistic smile spread across his face without meaning to. “Should you really be thanking me when I have a gun pressed to your chest?”

The girl then paused before glancing back down towards the gun in order to lift her fingers up and press the barrel further into her chest with a sad smile that Dazai couldn’t decipher.

And when she spoke, it brimmed with so much honest passion. “Now that I found out how much you treasured my brother, I wouldn’t mind dying if it’s you that pulls the trigger. Then maybe I could finally feel close to him..”

Pausing slightly at her honest declaration, the boy processed her words with interest and confusion. No one had ever said that to him before. No one had wanted him to be their executioner before. How strange

And it was no secret that Dazai didn’t think much about life, calling it meaningless and pointless. Hell, he had tried to die hundreds of times in order to finally painlessly drift away from such mediocrity.

But staring at the girl that somehow wore his best friend's face, he couldn’t help but be intrigued by her. She didn’t seem scared of death like others. Her face wore a sense of peace and calm he had never seen before from a victim of his.

No, that’s not right. She was scared of death, of course she was, but somehow this stranger found comfort in him pulling the trigger. And for a moment he wanted to ask why, to figure out the methods and inner workings of the girl who claimed to be Odasaku’s sister.

Yet the moment his fingers graced the trigger once more, the door next to them seemingly slammed open in order for another voice to enter the space.

And this time, they sounded stressed. “What do you think you’re doing?!”

Then all at once, both Dazai and Asagao turned in unison only to find a very familiar frazzled man staring back at them, the girl speaking first. “A-Ango?”

Ango only narrowed his eyes though, the man gazing at the very strange and suggestive position the two were in before shaking his head in disbelief. Dazai was practically straddling the poor girl right now with his thighs and without context things did look slightly odd.

If the gun wasn’t there the man surely would’ve thought something else was going on.

Dazai didn’t seem to care about that though, his head turning in confusion at the strange girl. Wait, she just said his old friend's name. That meant.. “You know him?”

Asa didn’t have time to reply though, Ango quickly pointed to the red haired female before speaking with exasperation. “You..what are you doing here?”

The man then gave Dazai a look, causing the boy to sigh and finally let his captive go in order to put the gun back in his hollister. Ango didn’t seem on edge by her which meant that she wasn’t a threat, currently..

Feeling her lips curve up into a goofy smile, Asa then simply leaped from the floor in order to race towards Ango with her arms open wide as she beamed. “Ango! What a surprise, I guess this our first time meeting. How awkward, am I right? Ha ha ha. Small world. That’s crazy, really.”

The man only sighed though, already expecting her moves before placing a hand on her face and pushing her back lightly in order to stop the assault. “I knew you’d come here. Good thing I had the government track your movements just in case. Looks like I got here just in time.”

Frowning at the rejection, Asa then pouted her lips before rubbing the spot where his hand was just moments prior. “Well that’s a little invasive..”

Ango didn’t feel as carefree though, the man immediately putting a hand to his temple in the sign of a headache. “Obviously it was needed. Did you not listen to your brother’s instructions? He said for you to stay out of Yokohama, to not go looking for him. Or did you forget that?”

Dazai then watched the girl pause before dropping her hand in order to awkwardly laugh in a fake cutesy manner. “I may have chosen to admit that part from my memory. Oops?”

Shrugging her shoulders in reply, Ango only shook his head, obviously over her antics. “Oops? That’s all you have to say? Seriously Asagao, what would Oda say..?”

Yet at the sound of Oda’s name, Dazai felt his head perk up. Even Ango was mentioning Oda and her together. That could only mean one thing. The things she was claiming were true, weren’t they?

Not wanting to believe it, the boy called out. “Ango, was she telling the truth? Is she really..”

Although before he could finish, Ango simply put a hand up, not wanting to deal with such a revelation for some reason. “Dazai, please..”

The way he was shutting him down was strange, almost like the man didn’t want Dazai to put together the facts that Odasaku had a little sister and that she was standing before them. But why? Why was Ango, a traitor, allowed to know and not him?

Something was off about all of this.

Just then, his thoughts got interrupted as Asa gasped loudly, her eyes turning towards the boy in excited disbelief. “Wait, Dazai? As in Osamu Dazai? No way, for real?!”

And before he could process it, the girl was up in his face, her blue eyes piercing his through her circular frames in order to look at him like some sort of rare museum artwork she had just found.

Speaking happily, the girl beamed. “Oh wow. I can’t believe it, brother wrote about you in his letters. I feel like I already know you…”

She then reached her fingers out to touch him, causing the boy to counter only for Ango to do so for him, his voice firm. “Asagao!”

Then Odasaku’s sister’s face lit up with some kind of realization before taking a step back with a sort of bashful smile. “Ah, right. Personal space. Sorry, my bad. I got excited. I just wanted to take a good look at you. I guess most people would think that’s rude though. My bad. You probably think I’m some sort of freak now. Ah, well that’s nothing new really.

Putting her hands up in defense, Asa then backtracked. Well she tried, but Dazai could still see the giddy glee in her face, almost like she was trying to suppress it. “I'm just really happy to meet you, that’s all. I just know we can be good friends. Oh! I know, what if..”

Ango only stopped her again though, almost like he was afraid of what she was going to say next. “Asagao…”

Turning her head, the girl hummed in confusion, obviously not seeing anything wrong. “Hmm?”

The government official only frowned though, his hands moving up to hover over her mouth with an exhausted sigh. “Stop talking.”

Asa didn’t seem offended though, her brow turning down in understanding before nodding with an apologetic smile. “Right, sorry. Overdoing it. Got it.”

Shaking his head in exasperation, the government official then turned away from her before pointing to the very curious mafioso that was watching. “Dazai, I need to see you outside. And you..”

Asa pointed to herself at that, turning her head innocently. “Me?”

Nodding once, the man continued roughly. “Yes you. You better not move a muscle cause when I come back I’m sending you right back home.”

Dazai then watched her lips open with pure shock in order for her voice to come out in a whine of protest. “Whaaa? Come on Ango. That’s not fair. I just..”

Ango only cut her off though, his tone serious. “It’s not up for debate. Your brother is gone and I promised him that you would never get involved in this. I’m not going against his wishes and neither will you. Now pack your bags and get ready. We leave tonight.”

Then before she could protest, the man pushed Dazai out of the small apartment door, the boy looking back at the strange new girl only to watch her eyes flash to his in some sort of unexplainable longing before the door covered the sight.

And call him crazy but it looked like she didn’t want him to go.

How strange, he had never seen that kind of response from someone before. Usually they were glad to be rid of the demon, of the boy that had plagued their life. If anything, Asa should’ve been thankful that the guy that had threatened her just moments ago was leaving.

But somehow she wasn’t, and that intrigued him a lethally dangerous amount.

-------------

The cold crisp air hit him immediately, the feeling soaking into his bones and yet Dazai couldn’t focus on anything but the closed door just inches from his face. So much so, his fucked up mind started to run in all different directions without permission.

And he’d be lying to say he wasn’t desperate to know what was going on behind Odasaku’s sister's eyes. He wanted to pick at her brain, to pry it open and see for himself the strange puzzle he had just discovered.

He had a lot of toys but she was something different. It made him want to play around with her more often, to see what other interesting and amusing expressions she could make besides the ones tonight.

Feeling his gaze focus more sadistically in thought, the boy suddenly took out his thoughts by his ex friend’s voice, a sense of warning in his tone. “Dazai, don’t even think about it.”

The mafioso then closed his eyes before finally letting go of the thought in order to turn towards Ango innocently. “Whatever do you mean?”

He only glared though, already knowing the naive tone was an act. “Don’t start. I know you better than anyone. You’re thinking about going back in there and manipulating Oda’s sister for something, aren’t you?”

He wasn’t wrong. The boy had wanted something from her, but it was only to figure out more about her. Did that include messing around and being a little underhanded? Well, how else would he do it? That was his signature.

Yet at the sound of Oda’s name, Dazai paused. No, he could decide all that later. Right now he needed answers. “Ango, what’s going on? Odasaku never said anything about having a little sister. How do you know her? Why didn’t he tell me?”

The information felt like a sting, coursing up the boy’s entire throat. He thought Odasaku and him were best friends. He thought they were close, that they knew everything about each other. But now it was obvious that he was keeping secrets this entire time.

But why, what was the reason?

Ango only sighed though, his fingers moving to his glasses in order to push them up. “It’s a long story, Dazai. I’ve actually never met her before. Oda simply put me on the phone once when he was drunk. None of that matters though. You need to forget you’ve ever seen her. No one is supposed to know she exists . She wasn’t ever even supposed to be in Yokohama.”

Pausing, the boy frowned. “Why?”

His old friend then shook his head in order to speak sadly. “Because Oda knew about the kind of people in his life, he knew what they could do to her. That's why he sent her away, so she could be safe. And regardless of what happened between us I still will fulfill his wish. He was my best friend.”

At the sound of his explanation, Dazai couldn’t help but scoff. Best friend? Yeah right, he didn’t have the right to say such a thing anymore. Not after what happened. “Says the man that betrayed us and the port mafia.”

He then watched Ango flitch in order to dip his head in shame. Dazai still hadn’t forgiven him for the betrayal after all. This government official snuck into the port mafia as a spy and he was just supposed to trust everything he said?

No, those bonds were already broken.

Ango then paused before finally speaking again, his fingers balling into a tight fist of emotion. “I don’t expect you to forgive me, Dazai. But those nights at Bar Lupin meant something to me. You both meant something to me. That’s why I’m here in the first place. She needs to stay out of this.”

Although that’s when his eyes flicked up in order to lock eyes with the young executive. “And that means she also needs to stay away from you.”

He looked so serious, so odd that Dazai couldn’t help twist his lips into a cruel tight lipped smile. The way Ango was glaring at him, it looked like he was viewing the boy as evil incarnate.

And though he wasn’t wrong, the boy remained silent. What a scary expression.

Noticing his silence, Ango continued. “You asked why Oda never mentioned her to you. It’s because destruction and corruption follows you everywhere, Dazai. He knew how black your soul is and what you could do to her if given the chance. The demon prodigy has no place out of the darkness, and I'm sure you know that also.”

Dazai then felt his lips fall open with understanding, a low pain in his chest as he was hit with the reality. Was that really why Odasaku never mentioned his sister, because he was scared of his best friend destroying her?

Ango mentioned him sending her away in order to be out of reach of the dangerous people. Did that include him also? Was Odasaku scared of the boy, of his twisted personality that much? Dazai didn’t know, and that scared him.

But then again, it made sense.

He was a demon, that fact was very well known.

Perhaps Odasaku was right. If he did get his hands on Asagao then she would surely become tainted and destroyed like everyone else in his life. He was a poison, and his best friend was just trying to keep his little sister from ingesting it.

Feeling a hand on his shoulder, the boy then looked up from his unraveling thoughts in order to find Ango’s serious and unwavering stare. “ So I’m telling this now, Dazai. Walk away. Don’t get involved.”

Then the man simply let his hand fall before putting his hand on the doorknob with a sad mutter under his breath. “Let the last piece of Odasaku be untainted, for you and me both.”

Just like that, Ango was gone, leaving Dazai alone in the darkness as it swallowed him whole once more, the familiar black covering his entire silhouette.

And for once, Osamu Dazai didn’t argue with his ex-friends command.

Almost like he knew that he was right, that Odasaku’s sister shouldn’t ever go near him.

----------

Ango felt the bright lights hit his eyes as he made his way into the small apartment in order to squint and walk around the living room with a heavy weighted sigh of exhaustion. This night was far too stressful. Ah well, at least it is over now.

Yet the moment he entered the space, the man was only met with silence, causing his ears to ring with fear. “Asagao?”

Frowning, Ango then moved over to the small table in the corner only to find a tiny yellow sticky note on the surface as the black colored ink mocked him all at once.

Ango, If you wanna bring me back then you gotta catch me first >:D

Crumbling the paper between his fingers, the man then looked up only to find that the fifth story window was open, the sharp breeze stunning him into silence. No, it couldn’t be.

She was gone.

“Asagao!”

-----

Part 2:

Part 3:

(Just an intro to the three part short story I have.)

#bsd dark era #bsd dazai #bungo stray dogs #bungou stray dogs dazai #dazai osamu #fanfic #fanfiction #dazaixodasaku!sister #dazai x fem reader #dazai x y/n #dazai x you #dazai x reader #bsd writing #oda sakunosuke #bsd odasaku #this is the first time I'm writing bsd so be kind #ao3 fanfic

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