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The Armed Detective Agency office was unusually quiet for a Thursday afternoon. Most of the members were out on assignments, leaving only the soft hum of the air conditioning and the occasional rustle of papers to break the silence. Ranpo Edogawa sat at his desk, surrounded by what could only be described as organized chaos—stacks of files, photographs, handwritten notes, and a frankly alarming number of empty snack wrappers.
He'd been at this for hours now, ever since that nagging feeling had started gnawing at the back of his mind three days ago.
Something about Dazai didn't add up. And for the World's Greatest Detective, unsolved mysteries were like an itch he absolutely had to scratch.
"Ranpo-san, you're still here?" Atsushi's voice broke through his concentration as the younger detective returned from his errand, a bag of groceries in hand. "It's almost seven. Didn't you say you were going to leave early today?"
"Can't," Ranpo mumbled around a lollipop, not looking up from the photograph he was scrutinizing. "There's something I need to figure out."
Atsushi set the groceries on the break room counter and wandered over, curiosity getting the better of him. "What are you working on? Is it a case?"
"The most interesting case," Ranpo said, finally leaning back in his chair with a satisfied grin spreading across his face. "I'm figuring out Dazai-san."
Atsushi blinked. "Dazai-san? But... she's our colleague. What's there to figure out?"
Ranpo fixed him with a look that clearly said oh, you sweet summer child. "Atsushi-kun, I know everything about everyone. It's what I do. But Dazai-san?" He tapped the photograph with his finger. "She's been a puzzle I haven't quite solved. Until now."
The tiger ability user looked uncertain. "Are you sure you should be—"
"Don't worry, don't worry!" Ranpo waved him off cheerfully. "I'm not digging up anything bad. I'm just satisfying my intellectual curiosity. Besides," he added, popping another piece of candy into his mouth, "I think I've finally cracked it."
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It had started, as most of Ranpo's deductions did, with observation.
He'd always prided himself on knowing his colleagues inside and out. Kunikida's rigid schedule and hidden soft heart. Yosano's dark humor masking genuine care. Atsushi's self-doubt and desperate need to prove his worth. Tanizaki's protective nature. Kenji's deceptive strength. Kyouka's quiet determination.
And then there was Dazai.
Beautiful, brilliant, bandaged Dazai, who waltzed through life like it was all one elaborate game. She collected suicide methods like some people collected stamps, solved cases with an almost supernatural insight, and had a past darker than the Yokohama harbor at midnight.
But that wasn't what had caught Ranpo's attention lately.
It was the way she sometimes stopped mid-sentence, her brown eyes focusing on something no one else could see. The way she'd tilt her head slightly, as if listening to a voice only she could hear. The way she'd suddenly change course on an investigation, claiming she'd just "had a feeling" about something.
At first, Ranpo had chalked it up to Dazai being Dazai—eccentric, unpredictable, probably doing it just to be mysterious. But the more he watched, the more he noticed the pattern.
She wasn't just spacing out randomly. She was interacting with something.
And that's when it clicked.
Abilities with physical manifestations weren't uncommon. Atsushi had his Byakko, a magnificent white tiger that could materialize partially or completely. Akutagawa had Rashomon, that shadowy beast-cloth hybrid. Chuuya had Arahabaki, though he rarely showed that form. Mori had Elise, who walked around as independently as any real person. Kouyou had her Golden Demon, and Kyouka had inherited the Snow Demon.
But Dazai? Her ability, No Longer Human, was all about negation. It nullified other abilities on contact. There had never been any visible manifestation, no physical form, no entity that appeared when she used her power.
Or so everyone thought.
"But what if there is something?" Ranpo had muttered to himself two days ago, earning a concerned look from Kunikida. "What if No Longer Human isn't just about nullification? What if there's more to it?"
That's when he'd started digging.
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The Armed Detective Agency kept files on all its members—standard procedure, really. Medical records, ability assessments, background checks (though Dazai's was suspiciously sparse on her Port Mafia years). Ranpo had gone through all of it before, of course, but this time he was looking for something specific.
He'd also called in a few favors, accessed some databases that were technically classified, and may have sweet-talked Ango Sakaguchi into letting slip a few details about Special Division records. All perfectly above board, really. Mostly.
The official records were frustratingly vague about Dazai's origins. Orphan. Taken in by the Port Mafia at fourteen. Became the youngest executive in the organization's history. Defected four years ago. That was the sanitized version everyone knew.
But Ranpo wasn't interested in the sanitized version.
He'd started looking further back, before the Port Mafia, before Dazai had even become Dazai. Records from fifteen years ago, when she would have been about seven or eight. Medical facilities. Research institutions. Government black sites.
And that's when he found it.
Hidden in layers of classified documents, redacted files, and encrypted databases was a paper trail that led to a facility in the mountains outside Yokohama. The same type of facility where Chuuya had been held. Where experiments on ability users were conducted. Where the government and various organizations had tried to play god.
But the records went back even further than he'd expected.
Project Arahabaki had started with Chuuya Nakahara when he was five years old. They'd taken a child with the ability to amplify other abilities and forced that power to amplify itself until it created a singularity—an artificial god called Arahabaki.
What Ranpo found next made him sit up straighter in his chair.
One year before Chuuya was taken, at age four, another child had been brought to the same facility. Subject I-012. The records were even more heavily redacted than Chuuya's, but Ranpo could piece together enough.
They'd been trying to create a counterbalance. A failsafe. Before trying to create their weapon.
While Chuuya was being transformed into a vessel for destructive power, another child was being conditioned with an ability that could nullify that power. The experiments on Subject I-012 were different—not about amplification, but about suppression. About creating a perfect seal.
And then, approximately two or three years after both children were brought to the facility, something went catastrophically wrong.
The Suribachi Incident.
Ranpo pulled up the reports from that day. An explosion that created a massive crater in what was now called Suribachi City. The official story involved foreign spies, a failed extraction, and an unfortunate accident.
But the classified reports told a different story.
Arahabaki had lost control. The seven-year-old Chuuya Nakahara, pushed too far by the experiments, had let the singularity loose. The entity should have leveled half of Yokohama, should have caused destruction on an apocalyptic scale.
But it hadn't.
Something—or someone—had stopped it.
Ranpo's eyes widened as he found a fragment of a report, mostly redacted but with enough visible to confirm his suspicion: "Subject I-012 located at epicenter. Nullification confirmed. Both subjects unconscious. Pototype A-258 (Nakahara) recovered first, whereabouts currently unknown. Subject I-012 recontained."
"She was there," Ranpo whispered to himself. "Dazai was there when it happened. She stopped Arahabaki."
But there was more. Cross-referencing with other documents, Ranpo found another file dated six years later. Subject I-012 had escaped at age thirteen. There were reports of sightings in the Yokohama slums, but then the trail went cold for about a year.
Until Mori Ougai found her at age fourteen and brought her into the Port Mafia.
Ranpo sat back, his mind racing through the implications. Dazai had been taken at four years old, experimented on for years, had somehow stopped Arahabaki during the Suribachi Incident when she was seven, been recaptured, and finally escaped at thirteen.
But what had they done to her during those experiments? What had they created?
He kept digging and finally found what he was looking for.
Project Izanami.
While they were forcing Chuuya's ability to create Arahabaki, they were simultaneously trying to bind a different entity to Subject I-012. Izanami—the Shinto goddess of creation and death. The perfect counterpart to a god of destruction.
The reports detailed attempts to make the four-year-old girl a vessel, similar to what was being done to Chuuya. But the process was different. Instead of forcing an ability to create a singularity, they were trying to bind an existing divine entity to a human host with an ability that could suppress and contain it.
The binding had eventually succeeded, creating a permanent connection between the girl and Izanami. But unlike Chuuya's situation, where his human consciousness acted as a seal on Arahabaki, Subject I-012's ability worked differently. No Longer Human didn't just seal Izanami—it kept her in a constant state of semi-manifestation, always present but not fully materialized.
A perpetual companion. A goddess bound to a child, speaking to her, guiding her, existing alongside her in a space between reality and divinity.
And during the Suribachi Incident, when Arahabaki had broken free and threatened to destroy everything, that seven-year-old girl—Subject i-012, who would one day become Osamu Dazai—had somehow gotten free from her wing of the facility. The explosion had been ability-based, and her No Longer Human had protected her from its effects.
She'd found Chuuya at the epicenter of the destruction, Arahabaki fully manifested and out of control, and she'd touched him.
Nullification.
The singularity had collapsed. Arahabaki had been sealed back inside Chuuya. The destruction had stopped.
Both children had collapsed from the strain. Chuuya had woken first and fled. Dazai had been recaptured.
"And she didn't remember," Ranpo murmured, looking at a photograph of the crater that had become Suribachi City. "Or maybe she did, but it didn't matter. She was just a child. And then six years later, she escaped and ended up in the Port Mafia. Where she met Chuuya Nakahara again."
That's when the final piece clicked into place.
Dazai had recognized him. Maybe not immediately, but at some point, her genius mind had connected the dots. The boy with the gravity manipulation ability. The one who needed her to nullify his Corruption. The one she had an inexplicable connection with.
The child from the facility. The one she'd saved during the Suribachi Incident.
"No wonder she and Chuuya have such a complicated relationship," Ranpo said to himself. "They're literally designed to be counterparts. And she knows it. She figured it out. But does he?"
Looking at the reports, Ranpo suspected Chuuya didn't remember. He'd been pretty out of it during the incident, his consciousness overwhelmed by Arahabaki. He probably had no memory of the small girl who'd touched him and brought him back.
But Dazai remembered. Or had figured it out. And she'd never told him.
Ranpo leaned back in his chair, processing everything he'd discovered. Dazai had been experimented on since age four. She'd been made into a vessel for Izanami. She'd stopped Arahabaki at age seven, saving both Chuuya and potentially all of Yokohama. She'd been recaptured and held for another six years before escaping at thirteen. She'd survived a year in the slums before Mori found her.
And through it all, she'd had Izanami with her. A goddess who existed in that space between manifestation and absence, always present, always watching, always speaking to her.
"That's why she seems so detached sometimes," Ranpo realized. "She's never really alone. She's been talking to a goddess since she was four years old. And she stopped a god from destroying a city when she was seven. No wonder she's the way she is."
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"Ranpo-san?" Atsushi's voice brought him back to the present. "You've got that look on your face. The one you get when you've solved something big."
"That's because I have!" Ranpo declared, stretching his arms above his head triumphantly. "I've figured out Dazai-san's secret!"
"Should you really be announcing that so loudly?" a new voice said from the doorway, and both Ranpo and Atsushi jumped.
Dazai stood there, leaning against the doorframe with her arms crossed and an amused smile playing on her lips. She was still in her usual attire—tan coat, bandages peeking out from her collar and sleeves, her wavy brown hair framing her face. She looked completely relaxed, like she'd just happened to wander in.
But Ranpo noticed the way her eyes immediately went to the files on his desk, the way she took in the scene with a single glance, assessing and calculating even as she maintained that casual demeanor.
"Dazai-san!" Atsushi squeaked. "When did you—how long have you been—"
"Long enough," Dazai said lightly, pushing off from the doorframe and strolling into the office. "I finished up my surveillance early and thought I'd swing by. Imagine my surprise when I heard our dear Ranpo-san proclaiming he'd figured out my secret." She tilted her head, her smile widening. "So? What did you figure out?"
Ranpo grinned, completely unintimidated. This was the part he lived for—the reveal, the moment when all his deductions came together and he got to show off his brilliance. "Want me to tell you?"
"I'm curious what conclusions the World's Greatest Detective came to," Dazai said, pulling up a chair and sitting down across from him. She crossed her legs and rested her chin on her hand, looking for all the world like someone settling in to watch an entertaining show. "Please, enlighten me."
Atsushi looked between them nervously, clearly wondering if he should excuse himself, but curiosity kept him rooted to the spot.
Ranpo pulled out one of the photographs—a grainy image from a security camera, dated sixteen years ago, showing a facility in the mountains. "I started wondering about your ability, Dazai-san. No Longer Human nullifies other abilities, but unlike most of us, you've never shown any physical manifestation. No entity, no form, nothing visible." He looked up at her. "But that didn't seem right to me. So many ability users have manifestations—Atsushi-kun's Byakko, Akutagawa's Rashomon, Mori's Elise. Even abilities that aren't as obviously physical often have some kind of presence."
Dazai's expression remained pleasant, but Ranpo caught the flicker of genuine interest in her eyes. She was listening, really listening.
"So I started thinking," Ranpo continued, warming to his subject, "what if you do have a manifestation, but nobody can see it? What if No Longer Human isn't just about negation, but about something else entirely?" He spread out more documents on the desk. "That's when I started digging into your past. Way before the Port Mafia, before you became the Demon Prodigy. Back to when you were four years old."
"Oh?" Dazai's tone was light, but there was a subtle shift in her posture, a slight tensing that most people wouldn't notice. Ranpo noticed everything.
"Project Arahabaki," Ranpo said, pulling out another file. "We all know about Chuuya-kun's involvement. He was five years old when they took him, forced his ability to amplify itself until it created a singularity—Arahabaki, a god of destruction." He paused, watching Dazai's face carefully. "But what most people don't know is that one year before they took Chuuya, they took another child. Subject I-012. A four-year-old girl with a nullification ability."
Atsushi gasped softly. "Dazai-san... you were there?"
"They were creating a counterbalance," Ranpo continued, his voice taking on that lecturing tone he used when explaining his deductions. "While they forced Chuuya to become a vessel for Arahabaki, they were working on binding a different entity to you. Project Izanami. The goddess of creation and death—the perfect counterpart to a god of destruction."
Dazai's smile hadn't wavered, but her eyes had sharpened with what looked like genuine appreciation. She still said nothing, letting Ranpo continue.
"The binding succeeded," Ranpo said, tapping another document. "They managed to make you a vessel for Izanami. But unlike Chuuya's situation, where his ability acts as a seal on Arahabaki, your ability works differently. No Longer Human keeps Izanami in a constant state of semi-manifestation—always present, always active, but not visible to anyone except you."
He pulled out the report from the Suribachi Incident, the one with the massive crater photograph. "And then, three years later when you were both seven years old, something went wrong. Arahabaki lost control. The explosion should have destroyed half of Yokohama."
"But it didn't," Dazai said softly, speaking for the first time since Ranpo had begun his explanation. Her eyes were fixed on the photograph of the crater.
"Because you stopped it," Ranpo said triumphantly. "You were in a different wing of the facility, but the explosion was ability-based. Your No Longer Human protected you from its effects. You got free, found Chuuya at the epicenter with Arahabaki fully manifested, and you touched him. Nullification. The singularity collapsed. You saved him—and probably saved all of Yokohama too."
Atsushi was staring at Dazai with wide eyes. "You... you did that when you were seven?"
"Both of you collapsed afterward," Ranpo continued, ignoring the interruption. "Chuuya woke up first and fled. You were recaptured. They kept you for another six years until you escaped at age thirteen. You spent about a year in the slums, and then Mori-san found you when you were fourteen and brought you into the Port Mafia." He leaned forward, his expression turning serious. "Where you met Chuuya Nakahara again. And being the genius you are, you connected the dots. You figured out that the boy with the gravity manipulation ability, the one who needed you to nullify his Corruption, was the same child from the facility. The one you saved during the Suribachi Incident."
The office was silent for a long moment. Even the air conditioning seemed to hold its breath.
Then Dazai laughed—not her usual theatrical laugh, but something more genuine, touched with real amusement and what might have been relief. "Well, well, well. The World's Greatest Detective really does live up to his name." She uncrossed her legs and leaned back in her chair, regarding Ranpo with undisguised appreciation. "I'm impressed, Ranpo-san. No one has ever figured that out before. Not Mori-san, not even Ango with all his information gathering." Her smile turned almost fond. "You're the first person to crack this particular mystery."
Ranpo preened under the praise, but he was also watching Dazai carefully. "You don't seem upset that I figured it out."
"Upset? Why would I be upset?" Dazai said, genuinely puzzled by the suggestion. "You used your considerable intellect to solve a mystery that's been hiding in plain sight for years. That's actually quite impressive. I'm more curious about how you connected all the dots. The records from that facility were supposed to be completely scrubbed."
"Please," Ranpo said with a dismissive wave. "Nothing is ever completely scrubbed. There are always traces, always connections. You just have to know where to look and how to see the patterns. Plus," he added with a grin, "I may have called in a few favors. Ango-san was very helpful, even if he didn't realize exactly what information he was giving me."
Dazai chuckled. "Poor Ango. I should probably send him an apology gift. Or maybe a threat. Hard to decide which would be more fun."
"So it's all true?" Atsushi spoke up, his voice uncertain. "You really have a goddess bound to you? And she's here right now? And you... you saved Chuuya-san when you were both children?"
"She is, and I did," Dazai confirmed casually, as if discussing the weather. "Izanami has been with me since I was four years old. Well, technically the binding became permanent when I was about five, but close enough. And yes, I did stop Arahabaki during the Suribachi Incident, though I don't think Chuuya remembers that part. He was pretty out of it at the time."
"Does he know?" Ranpo asked, leaning forward with interest. "That you were both in the facility? That you're the one who stopped him?"
Dazai's expression became thoughtful, and she tilted her head in that way that now made perfect sense—she was looking at or listening to Izanami. "No, I don't think so. We were seven and his consciousness was completely overwhelmed by Arahabaki. I doubt he has any clear memories from that moment. And I've never told him." She smiled slightly. "It didn't seem relevant. What matters is that we found each other again, even if neither of us really remembered the first meeting."
"But you figured it out," Ranpo said. "When you met him in the Port Mafia."
"Eventually, yes. I'm good at connecting dots, even if it took me a little while with that particular puzzle." Dazai stood up and walked over to the window, looking out at the Yokohama skyline. "The gravity manipulation. The need for my nullification specifically to stop Corruption. The way our abilities work together so perfectly. Once I started thinking about it, the pieces fell into place."
"Your abilities were literally designed to complement each other," Ranpo observed. "Creation and destruction. Amplification and nullification. They made you to be counterparts."
"They did," Dazai agreed. "Though I don't think they expected us to end up working together by choice years later. Life has a funny way of bringing things full circle."
Atsushi was still trying to process all of this. "So you can really see Izanami right now? And talk to her?"
Dazai's eyes shifted to a point just over Ranpo's left shoulder, and for the first time, both detectives could see exactly what Ranpo had been talking about. Her gaze was focused on something specific, something that held her attention as surely as if there were another person in the room.
"She's right there," Dazai said, gesturing vaguely toward the empty space. To Ranpo and Atsushi, there was nothing but air, but the way Dazai looked at it made it clear she saw something entirely different. "She's about eight feet tall in this form—she can adjust her size, apparently divine entities aren't bound by consistent physical dimensions. Very convenient. Her appearance is... hmm, how to describe it. Imagine a woman made of shadows and starlight, with eyes that hold the depth of eternity and the weight of every death that has ever occurred."
"That sounds terrifying," Atsushi said weakly.
"Oh, she absolutely is," Dazai agreed cheerfully. "Goddess of death and all that. But she's also the goddess of creation, so there's a duality to her. Life and death, beginning and end, all wrapped up in one divine package." She paused, then smiled at nothing—or rather, at something only she could see. "She says hello, by the way. And she's amused that someone finally figured out she exists. She's also saying she remembers that day at the facility—she says I was very brave for a seven-year-old, running toward danger instead of away from it."
"You were protecting Chuuya," Ranpo said softly. "Even then, even as a child, you ran toward Arahabaki to stop it."
"I didn't really think about it," Dazai said with a shrug. "Izanami told me what I needed to do, and I did it. Simple as that." She turned back to them, her expression turning playful again. "Though I did pass out immediately afterward, so perhaps not the most heroic rescue in history."
"You were seven and you stopped a god," Atsushi said firmly. "That's pretty heroic."
Ranpo leaned back in his chair, a satisfied smile on his face. "So No Longer Human keeps Izanami perpetually semi-manifested. You can see her, talk to her, but she's not physically present to anyone else. And she helps you—gives you information, warns you about things."
"Exactly," Dazai confirmed. "She exists partially outside normal space and time—goddess perks, apparently. She can perceive things that are happening elsewhere, sense disturbances, that sort of thing. It's quite useful for detective work. Though sometimes she tells me things just to mess with me. She has a very strange sense of humor for a divine being."
"What about full manifestation?" Ranpo asked, his detective mind already working through the implications. "Can you make her visible to others?"
Dazai's expression flickered for just a moment—not quite sadness, but something more complicated. "Technically, yes. But fully manifesting Izanami in physical form puts enormous strain on my body, similar to what happens to Chuuya when he uses Corruption. The power is too much for a human body to handle, even one that's been conditioned since age four. If I were to make her fully visible and tangible, my body would start breaking down. The longer she stays manifested, the worse it gets."
"And you can't nullify your own ability to stop it," Ranpo said, understanding clicking into place.
"Exactly. It's quite the paradox. The ability that keeps Izanami bound to me is also the ability that would need to be nullified to prevent her full manifestation from killing me." Dazai smiled wryly. "So we stick to the semi-manifestation state. She's here, present, aware, but not physically tangible to anyone but me. It's safer that way."
"Does Chuuya know any of this?" Atsushi asked. "About Izanami, I mean?"
"No," Dazai said simply. "He knows I can nullify his ability, knows we work well together, probably suspects I'm hiding things because, well, I'm always hiding things. But he doesn't know about Izanami, and he definitely doesn't remember the Suribachi Incident or that we were both in that facility." She looked thoughtful. "Sometimes I wonder if I should tell him, but then I think—what would it change? The past is past. What matters is now."
"Very philosophical for someone who tries to drown herself in rivers on a regular basis," Ranpo observed dryly.
"I contain multitudes," Dazai said with a grin. "Izanami agrees. She just said I'm the most contradictory human she's ever been bound to, and she's existed since the dawn of creation."
They were interrupted by the sound of the office door opening again. Kunikida walked in, stopping short when he saw the three of them gathered around Ranpo's desk, surrounded by files and looking like co-conspirators in some grand scheme.
"What's going on here?" he asked suspiciously, adjusting his glasses. "Ranpo, are those classified documents? Dazai, why do you look so pleased with yourself? And Atsushi, why do you look like you've just discovered the universe is much stranger than you thought?"
"Oh, you know," Dazai said breezily, "just Ranpo-san proving once again why he's the World's Greatest Detective. He figured out something about me that literally no one else has ever managed to deduce."
Kunikida's expression became even more suspicious. "Should I be worried?"
"Not at all!" Ranpo said cheerfully. "I just figured out that Dazai-san has a goddess bound to her and can see and talk to said goddess at all times, which explains all her weird behavior and how she knows things she shouldn't know. Oh, and that she and Chuuya-kun were both experimented on as children in the same facility, and that Dazai-san saved him and probably half of Yokohama from being destroyed when they were seven. Normal detective work, really."
Kunikida stared at him. Then at Dazai. Then back at Ranpo. "I... what?"
"Don't worry about it, Kunikida-kun," Dazai said, patting his shoulder as she walked past him toward the door. "Just accept that the universe is weird and your coworkers are weirder. It'll make your life much easier." She paused at the doorway, looking back at Ranpo with genuine warmth in her expression. "Truly, Ranpo-san. Well done. I mean it when I say I'm impressed. It's not often someone surprises me."
"The pleasure was all mine," Ranpo said, giving her a theatrical bow from his seated position. "It's not every day I get to solve a mystery involving ancient goddesses, government experiments, and two children saving a city. Really made my week."
"We should talk more sometime," Dazai suggested. "I think Izanami would enjoy conversing through me with someone who actually figured out she exists. She gets bored just talking to me all the time. Plus, you might have questions about the facility, about what happened that day." Her expression turned slightly more serious. "I don't remember everything clearly—I was four when they took me, seven when the incident happened—but between my memories and Izanami's observations, we could probably piece together quite a bit."
"I'd like that," Ranpo said sincerely. "I have so many questions about how the binding works, what her limitations are, how you managed to nullify Arahabaki at seven years old—"
"And on that note, I'm leaving before you trap me in a three-hour conversation about theoretical divine mechanics and childhood trauma," Dazai said, though she was smiling. "Good night, everyone. Kunikida-kun, close your mouth, you'll catch flies."
She swept out of the office, leaving behind a still confused Kunikida and one detective who looked immensely satisfied with himself.
"Ranpo," Kunikida said slowly, "please tell me you didn't just say that Dazai has a goddess bound to her and that she and Chuuya were both experimented on as children."
"Oh, I absolutely did," Ranpo confirmed, already organizing his files. "And it's all true. Want me to explain? It's a fascinating story involving government black sites, human experimentation, Shinto mythology, creating artificial singularities, and the fundamental nature of Dazai-san's ability. Oh, and how she saved Chuuya-kun and the city when they were both seven years old."
Kunikida looked like he was getting a headache. "I'm going to need so much coffee for this conversation."
"I'll make it," Atsushi offered, still looking somewhat dazed. "I think we're all going to need coffee."
As Atsushi headed to the break room and Kunikida reluctantly took a seat to hear Ranpo's explanation, the detective allowed himself a moment of pure satisfaction. This had been a good mystery—complex, unexpected, and with a solution that made perfect sense once you saw all the pieces.
Dazai had a goddess bound to her since she was four years old. She could see and communicate with Izanami at all times, had been able to do so for most of her life. She'd been experimented on in the same facility as Chuuya, had saved him during the Suribachi Incident when they were both seven, had been recaptured and escaped years later. No Longer Human wasn't just about nullification—it was about maintaining a constant connection while preventing dangerous full manifestation. The seemingly random moments when Dazai zoned out were actually conversations with a divine entity. Her incredible insight wasn't just genius-level intelligence, but also the guidance of a goddess who could perceive things beyond normal human comprehension.
And she and Chuuya had been designed to be counterparts, had saved each other without knowing it, and had found their way back together years later in the Port Mafia.
It was, Ranpo thought with satisfaction, exactly the kind of truth that was hiding in plain sight. You just had to know how to look.
And now that he knew, well... things were going to be a lot more interesting around the office.
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Several blocks away, Dazai walked along the riverside, her hands in her coat pockets. To anyone watching, she appeared to be alone, just another person enjoying the evening air.
But she wasn't alone. She never was.
"So," she said quietly, "you were unusually quiet during that conversation. No thoughts on having your existence exposed?"
The voice that answered her wasn't audible to anyone else, but to Dazai it was as clear as if someone were walking beside her. The boy has a sharp mind. It's... refreshing. Most mortals don't see beyond the surface of things.
"He's special," Dazai agreed. "The World's Greatest Detective isn't just a title he gave himself. He really does see everything. Even figured out about the Suribachi Incident. About Chuuya and me."
That was a strange day, Izanami said, her voice carrying a weight of memory.
You were so small. I told you what was happening, that the other vessel was losing control, that destruction was coming. And you just... ran toward it. No hesitation.
"You told me I could stop it," Dazai said simply. "That I needed to touch him. So I did."
Most children would have run away. Most adults would have run away. But you ran toward a god of destruction without a second thought.
"I was seven. I didn't know any better." Dazai smiled slightly. "Besides, you were there. I wasn't really alone."
You're never alone, Izanami confirmed. For better or worse, we're bound together. Have been since you were four years old.
"Do you ever regret it?" Dazai asked, genuine curiosity in her voice. "Being bound to me instead of... I don't know, someone more interesting? Someone who actually wants to live?"
There was a pause, and when Izanami spoke again, her voice was softer than usual. Osamu Dazai, in all my existence—from the creation of the islands to the present day—I have never met a soul quite like yours. You contain multitudes. You are fascinated by death yet you save lives. You claim to want to die yet you nullified a god to save a boy you didn't even know. You are contradiction and complexity wrapped in bandages and bad humor.
"That's not really an answer."
No, I don't regret it. You're far more interesting than eternity ever was.
Dazai laughed softly, the sound carrying across the water. "High praise from a goddess."
Don't let it go to your head.
"Too late. Between you and Ranpo-san, my ego is going to be insufferable."
It already was.
"Fair point." Dazai walked in comfortable silence for a moment before speaking again. "Do you think I should tell Chuuya? About the facility, about that day?"
Do you want to tell him?
"I don't know," Dazai admitted. "Part of me thinks he deserves to know. That we shared something before the Port Mafia, before Soukoku, before any of it. That the first time I touched him, it was to save his life." She paused. "But another part of me thinks... what's the point? He doesn't remember. Telling him would just be dredging up a past he's tried to move beyond."
He still has nightmares about Arahabaki, Izanami observed. I can sense the echoes of that power. The entity recognizes you, even if Nakahara doesn't consciously remember.
"Arahabaki recognizes me?" Dazai asked, surprised.
Of course. You're the one who sealed it, who pushed it back when it wanted to consume everything. Divine entities don't forget things like that, even if their human vessels do. Izanami's voice took on a thoughtful quality. When Nakahara uses Corruption around you, when you nullify it—Arahabaki remembers. On some level, even if Nakahara himself doesn't know why, he trusts you to bring him back. Because you did it once before.
Dazai stopped walking, staring out at the dark water of the river. The lights from the city reflected on its surface, creating patterns that shifted and changed with every ripple. "I never thought about it that way."
You saved him, Dazai. Once when you were seven and didn't know any better. And countless times since, every time you've nullified Corruption. You are his anchor, just as I am yours.
"That's... oddly poetic for someone who spends half her time making morbid observations about mortality."
I contain multitudes too, Izanami said, and Dazai could swear she heard amusement in the goddess's voice.
They continued walking, and Dazai found her thoughts drifting back to that day fifteen years ago. She'd been so small, barely seven years old, and the explosion had torn through the facility like the wrath of an angry god—which, she supposed, it basically was.
She remembered the feeling of her ability protecting her, nullifying the destructive energy that should have killed her instantly. She remembered Izanami's voice in her head, urgent in a way it rarely was: Run. East wing. Now. You're the only one who can stop this.
She remembered running through the chaos, through crumbling hallways and past panicking scientists. She remembered finding him at the center of it all—a small boy with distinctive red hair, surrounded by a swirling vortex of gravitational energy that bent reality itself. And above him, through him, around him—the manifestation of Arahabaki, terrible and beautiful and utterly destructive.
She remembered Izanami's voice: Touch him. Your ability will seal it. But you must touch him directly.
She remembered running forward, no fear because she was seven and didn't really understand fear yet, just knowing that someone needed help and she could provide it. She remembered the way the gravity had tried to crush her, tear her apart, but her ability had nullified it. She remembered reaching out, her small hand finding his, skin contact nullifying not just his ability but forcing Arahabaki back, collapsing the singularity, sealing the god back inside the boy.
She remembered blue eyes, wide with confusion and pain and fear, looking at her for just a moment before they both collapsed.
And then she'd woken up back in her cell, and six more years of experiments had followed before she finally escaped.
"I wonder if things would have been different," Dazai said quietly, "if I hadn't stopped him that day. If I'd just run away instead."
The facility would have been destroyed. The boy would likely have died, torn apart by Arahabaki's power. And the destruction would have continued until there was nothing left but a crater much larger than Suribachi City.
"So I saved a lot of people that day."
You did.
"And then got recaptured and experimented on for six more years."
Yes.
"The universe has a terrible sense of irony."
The universe is chaos, Dazai. You of all people should understand that. Creation and destruction, life and death, salvation and suffering—they're all intertwined. You saved lives that day, but you paid a price for it. That's how it works.
Dazai sighed. "You're very wise for someone who spends most of her time commenting on my poor life choices."
Someone has to keep you from actually succeeding at one of your suicide attempts. It would be very inconvenient for me if you died.
"Inconvenient," Dazai repeated dryly. "Yes, that's definitely the primary concern."
Well, I would also miss our conversations, Izanami added. But mainly the inconvenience.
Despite everything—the heavy conversation, the memories of childhood trauma, the existential weight of being bound to a goddess—Dazai found herself smiling. This was her life. Strange, complicated, full of darkness and light in equal measure. She was a vessel for a goddess, had been experimented on as a child, had saved the boy who would become her partner without either of them knowing it, had escaped and survived and somehow ended up as a detective.
It was absurd. It was tragic. It was oddly beautiful in its own way.
"Hey, Izanami?"
Yes?
"Thanks. For being here. For all these years. For telling me to run toward danger that day instead of away from it."
There was a pause, longer than usual, and when Izanami spoke again, her voice carried an emotion that Dazai couldn't quite name. You're welcome, Osamu Dazai. For what it's worth, I think I got lucky when they bound me to you. You're far more interesting than eternity was. And you saved that boy—your partner, your counterpart. You gave him a chance at life, even if he doesn't remember it. That matters.
"Does it?" Dazai asked softly.
Yes, Izanami said firmly. It does. You were a child forced to bear a burden you didn't ask for, but you used it to save lives. You continue to use it to save lives. That matters, Dazai. Even if you don't see it.
Dazai didn't respond, just continued walking along the riverside, the goddess's words settling into her mind. Somewhere in the city, Chuuya was probably causing some kind of chaos, unaware that the person who'd saved him at seven years old was the same person who saved him now, every time she nullified Corruption.
Somewhere in the city, Ranpo was probably still explaining the whole situation to Kunikida, delighting in the revelation.
And here she was, walking beside a river, having a conversation with a goddess that no one else could hear, thinking about the strange paths life took and how nothing ever turned out the way you expected.
"You know what?" Dazai said suddenly. "I think I will talk to Ranpo-san more about all this. He figured it out, he deserves to know the full story. And maybe..." She hesitated. "Maybe someday I'll tell Chuuya too. Not now, but someday. When the time is right."
That would be wise. He should know what you did for him.
"Or it'll just give him another reason to complain about being connected to me," Dazai said with a laugh. "Can you imagine? 'What do you mean you've been saving me since we were seven, you suicidal maniac!'"
That does sound like something he would say.
"He definitely would. With lots of cursing and probably throwing something at my head."
The relationship dynamics of mortals are endlessly entertaining.
"Glad we can provide you with amusement," Dazai said dryly. She paused at a bridge, looking down at the water below. For a moment, she considered her usual impulse—the call of the void, the desire for a beautiful death.
Don't even think about it, Izanami said immediately.
"I wasn't!"
You absolutely were. I can sense your thoughts, remember?
"Fine, maybe I was thinking about it a little. But I wasn't going to actually do it."
Sure. Because that distinction has stopped you before.
"You're very sarcastic for a divine being."
I've had millennia to develop my sense of humor. And two decades bound to you have certainly refined it.
Dazai laughed, genuine and bright, and pushed away from the bridge. "Come on, let's go home. I need to write a report for the case I finished today, and you need to stop commenting on my mortality rate."
That's not going to happen.
"I know," Dazai said fondly. "I know."
They continued into the night, woman and goddess, bound together by experiments and circumstance and something that might have been friendship, if one of them wasn't a divine entity. To anyone watching, Dazai was just another person walking alone through Yokohama.
But she wasn't alone. She never had been. Not since she was four years old and they'd bound Izanami to her soul.
And honestly?
She wouldn't have it any other way.