Yamamoto arrives at 2:15.
Not at the SIS building. Kuramoto makes that determination before the call ends, stepping outside briefly to consult with someone I don't see and returning with a location, a Ministry of Justice conference room two floors above us, accessible through a separate entrance, recorded on institutional equipment that belongs to neither the Metropolitan Police nor the SIS.
Clean ground. The cleanest available.
He comes alone. No security, no counsel, no staff. He's in his sixties, not tall, the kind of physical presence that doesn't announce itself and doesn't need to. His suit is the suit of someone who stopped thinking about suits twenty years ago because thinking about suits was no longer the most important thing requiring his attention. His face is the face from Minami's photograph, the one Mizore carried in her jacket pocket to a meeting she didn't survive, except in person the neutrality of it has a different quality. Not the blankness of a man caught mid-conversation. The settled quality of a man who has made a decision and is moving through its consequences without friction.
He looks at me when he enters.
The recalibration, same as everyone, same as always. The face he knows and the person behind it that doesn't fit the face. But his version of the recalibration is the briefest I've seen. He files it and moves on in less than a second.
A man who has been managing unexpected information for fifteen years.
Kuramoto has set up the conference room with two recording devices, both institutional, both on the record, and a stenographer who arrived in eleven minutes and is already seated at the end of the table with the particular neutrality of someone paid to record without reacting. Nishida sits to my left. Rei sits to my right. Kuramoto sits across from Yamamoto.
I sit at the end.
Yamamoto looks at the recording devices. Looks at the stenographer. Looks at the room once, the same single sweep everyone uses, but his covers more ground more quickly and I have the distinct sensation of being read in a way that most people can't manage.
He sits.
"I'll provide the account in chronological order," he says. "Beginning fifteen years ago. I'll flag the moments where my account deviates from what the documentary evidence shows, because those deviations are important and they require explanation rather than just documentation."
Kuramoto nods.
Yamamoto begins.
He speaks for three hours.
I'm not going to reproduce it all here, in my own head, because some of it belongs to the record and the record belongs to the case and the case belongs to everyone who contributed to building it, including a woman who is not in this room. But there are moments in the three hours that land differently from the others, that carry weight beyond their evidentiary function, and those are the ones I find myself returning to.
The first is forty minutes in.
He's describing the early structure of the arrangement with Ryūsei, the initial financial routing, the first contract that Hakurei was awarded under his committee advisory role. He's precise and detailed and the precision has the quality of something memorized and rehearsed, not because it's fabricated but because a man this careful has been running the accurate version of events alongside the official version for fifteen years, keeping them both current so he always knows exactly where they diverge.
Then he says: "The original structure was not mine."
The room adjusts.
"The financial routing mechanism, the municipal contract architecture, the use of Hakurei as the intermediary entity. Those were designed by someone else and brought to me as a completed proposal." He pauses. "I inherited a structure that was already operational. My role in the first three years was primarily protective rather than architectural."
"Who designed it," Kuramoto says.
Yamamoto looks at the recording device. Then at me.
"The person who designed it," he says, "was Saitō Minami."
The stenographer's fingers keep moving. The recording devices keep running. The room makes no sound.
I look at Nishida. His face has gone carefully neutral in the specific way of someone receiving information that has enormous implications and is choosing not to have implications in front of a stenographer.
"Minami designed the financial structure," Yamamoto says. "Seventeen years ago. Before I was involved. She brought it to me as a completed instrument, already tested on a smaller scale, already producing returns. She framed it as something she'd built inside Ryūsei that required institutional protection to scale." A pause. "I believed her framing. For three years I believed it."
"And then," Kuramoto says.
"And then I understood that the instrument she'd built and the documentation she was building about the instrument were the same project." He pauses. "She wasn't inside Ryūsei building a record of their crimes. She built the structure that would become their crime and then built the record of it." Another pause. "The evidence she's been compiling for seventeen years is evidence against a financial instrument she designed."
The room holds this.
I look at the table. At the recording devices. At the stenographer's moving fingers.
I think about a woman at a cemetery at midnight with seventeen years in her eyes and a drive in her jacket pocket and a condition she negotiated with the precision of someone who has been thinking about this moment for a very long time.
I think about the warmth in this body that lives deeper than muscle memory.
I think about a child's hand on a shelf in a narrow room full of paper.
"You're saying," Rei says. Her voice is level. Precise. Carrying exactly the weight of the question and nothing extra. "That Minami built the criminal structure she spent seventeen years documenting."
"Yes."
"For what purpose."
"That," Yamamoto says, "is the question I spent eleven years trying to answer." He looks at the recording device. "My current understanding, which I acknowledge is incomplete, is that she built it to destroy it. That the financial instrument was always intended to be the evidence, that the structure was designed from the beginning to be prosecutable, that every transaction was constructed to leave a traceable record." He pauses. "She built a machine that incriminates everyone who uses it."
"Including you," I say.
"Including me," he says. "Yes."
A silence.
"She trapped you," Nishida says from his corner. Quiet. Factual. The tone of someone who has just understood the shape of something and is confirming it out loud.
"She trapped everyone who touched it," Yamamoto says. "Including, eventually, herself. Because a machine that incriminates everyone who uses it doesn't make exceptions for its architect." He looks at me. "That's why she's been so careful about remaining invisible. The moment her identity enters the record, the question of who designed the structure becomes part of the case."
I look at the table.
Minami designed the instrument. Minami built the record. Minami handed the drive to whoever is wearing her nephew's face and extracted a condition and sent a single kanji and has been in a Kuramoto-designated location since last night.
Waiting to testify.
Waiting to become visible.
She knows this is coming. She has to know. She designed the machine. She knows exactly what it incriminates and who and how the incrimination travels when the record is examined completely.
She's walking into it anyway.
"Her immunity argument," Kuramoto says. Slowly, carefully. "The argument that her activities constitute de facto intelligence work rather than criminal participation. If she designed the structure." He stops.
"The argument weakens significantly," Nishida says.
"It doesn't disappear," Rei says immediately. Everyone looks at her. "The intent determines the classification. If she designed the structure specifically to create prosecutable evidence against a criminal organization and its institutional protectors, the design itself is the intelligence operation. The fact that it required building functional criminal infrastructure to generate authentic criminal evidence is a methodology question, not a guilt question." She pauses. "Law enforcement has used exactly this methodology under different names for decades. Controlled operations. Deep infiltration. Asset-run structures that generate real criminal activity for the purpose of prosecution."
"Those operations have institutional authorization," Kuramoto says.
"This one had a different kind of authorization," Rei says. "Self-authorization. From someone who understood that the institutional channels were compromised and operated outside them." She pauses. "The same way I ran a parallel investigation outside the institutional chain. The same way Kuramoto maintained an informal file for three years. The same way Mizore built a case without official protection." She looks at the recording devices. "Everyone in this prosecution has been operating outside the institutional channel that Yamamoto's presence inside it made unusable. Minami was simply the first one to understand that and she started seventeen years before anyone else."
The room is quiet for a moment.
Yamamoto is looking at Rei with the expression he used on me when I declined his deal. The assessment of someone encountering a quality of thinking they didn't anticipate.
"That argument," he says, "is significantly better than the one Minami planned to make."
"How do you know what argument she planned," I say.
A pause.
"Because I've been running scenarios against her testimony for eleven years," he says. "Since I understood what she was building." Another pause. "I've had eleven years to prepare to be prosecuted by her. I know her case and I know its gaps." He looks at me. "The gap I couldn't close was always the intent argument. I couldn't construct a version of her design intent that served the prosecution rather than undermining it." He pauses. "Your inspector just closed it."
The stenographer's fingers keep moving.
The second moment that lands differently comes two hours later.
He's describing the eighteen months since Saitō left Ryūsei. The management of Saitō as an external known quantity. The monitoring. The assessment of when and whether the case building toward the surface would require intervention.
He says: "I didn't want to use the approach with Saitō. I delayed it for eight months beyond the point where it became strategically necessary."
"Why," Kuramoto says.
Yamamoto looks at the recording device.
"Because Minami asked me not to," he says.
A pause.
"She contacted me directly. Eight months after he left. She said she'd managed him inside Ryūsei for four years and she needed him outside it without pressure for long enough to become something he hadn't been able to be while he was in it." He pauses. "She said she'd built everything she built for him as much as for the case and she needed me to leave him alone long enough for it to matter."
I look at the table.
For him as much as for the case.
Seventeen years of building an instrument designed to incriminate everyone who touched it, designed to be prosecutable, designed to be the case that closed the thing it created. And inside that design, running parallel to it, a parallel intention that has nothing to do with prosecution and everything to do with a child's hand on a shelf in a room full of paper.
She built the trap and she built the exit.
The exit was always him.
Not the case. Not the prosecution. Not the seventeen years of documentation.
The exit was getting him out clean.
The third moment comes at the end of the three hours. Yamamoto has finished. The stenographer closes the document. The recording devices are still running. Kuramoto is reviewing his notes with the focused intensity of someone who has just received three hours of primary source material and is identifying the points that require immediate follow-up.
Yamamoto looks at me.
"The person you are," he says. "Not Saitō. The French student." He says it without explaining how he knows. He has eleven years of information on Minami and Minami figured it out at a cemetery at midnight. "What will you do when this is over."
I look at him.
"I don't know," I say. "I don't know how it works."
He nods once. The nod of someone who considers that an honest answer. "Neither do I," he says. "But for what it's worth, the way you've navigated this situation is consistent with someone who understands that the right decision and the expedient decision are different things." He pauses. "Saitō understood that too. Eventually. It cost him considerably." Another pause. "I hope it costs you less."
He stands.
He looks at Kuramoto. "I'll make myself available for follow-up sessions as required. My counsel will coordinate with your office." He pauses. "I'll surrender to the prosecutors office at nine tomorrow morning."
He leaves.
The room is silent.
Then Rei says, quietly, to nobody specifically: "She built the exit for him."
Nobody adds to it.
It doesn't need anything added.