18. 颜料与火

The lawyer's office had been transformed into a stage for tragedy. Yellow crime-scene tape crisscrossed the doorframe, and a forensic team moved through the room with the quiet efficiency of gravediggers. Kanzaki stood in the hallway, the microfilm safe in his pocket, and watched through the open door as Sekine directed the investigation.

The lawyer, a man named Hayashi Kenji, lay slumped over his desk, a single gunshot wound to the right temple. The weapon—a small-calibre revolver—rested on the floor beside his chair, its barrel still faintly warm when the first officer had arrived. There was no note. No sign of forced entry. But the safe behind his chair was open, its interior stripped bare.

"Time of death?" Kanzaki asked Sekine.

"Approximately two hours ago. The building manager found him when he came to lock up. The door was unlocked, which Hayashi never did. He was a paranoid type—always double-locking everything."

"Any evidence of struggle?"

Sekine shook his head. "No defensive wounds. No signs of forced entry. The gun had only his fingerprints. On the surface, it's textbook suicide. But the open safe and the missing envelope—that makes it murder."

Kanzaki stepped into the office. The room was cluttered with legal files, stacked in precarious towers on every surface. A half-empty cup of coffee sat near the dead man's hand. Kanzaki picked it up and sniffed. The coffee was cold, but he detected a faint, bitter undertone—something medicinal.

"Have the lab test this," he said. "It might have been drugged. If Hayashi was sedated, someone could have placed the gun in his hand and pulled the trigger."

Sekine nodded and bagged the cup. "I'll have it rushed. But Kanzaki, if someone killed him to get that microfilm, we need to find out who else knew about it. Hayashi kept meticulous records. I've already gone through his appointment book. He had three visitors in the last week: a woman claiming to be a researcher from the National Archives, a man who said he was a reporter for the Asahi Shimbun, and—"

"And?"

"And Asakura Toru's mother. Lee Shuko. She visited him two days ago, under her North Korean alias. She had a diplomatic escort and a formal appointment. She stayed for forty-five minutes."

Kanzaki felt a cold wave wash over him. Lee Shuko had been in Tokyo. She had visited Hayashi. And now Hayashi was dead, and the second microfilm was gone.

"Did she leave with anything?"

"The building manager said she carried a small pouch—the same one she arrived with. But he didn't see her take anything from the office. He was in the lobby the entire time, and he only saw her leave. He didn't see the killer."

Kanzaki thought of Lee Shuko's face in the Kaesong guesthouse—the wrinkles, the steady hands, the eyes that had seen too much. She had given him the key to the bank vault. She had confessed to killing Yamada. She had seemed ready to let the past go. But if she had come to Tokyo and visited Hayashi, she must have known about the second microfilm. And if she had taken it, she had done so to keep it from falling into the wrong hands.

Or to destroy it.

"Find her," Kanzaki said. "She's still in Japan. She has a diplomatic escort, which means she's traveling under official protection. The consulate in Osaka will know where she is."

Sekine made a call. While he waited for a response, Kanzaki examined the office more closely. He noticed a small notepad on Hayashi's desk, flipped to a blank page. He held it at an angle, letting the light catch the indentations left by the previous page. He grabbed a pencil and gently shaded the blank page. The indentations revealed a few faint words: "She knows. She came for the envelope. I gave it to her. I had no choice."

She knows. Lee Shuko knew about the second microfilm. And Hayashi had given it to her—under duress, perhaps, or out of fear.

Kanzaki's phone buzzed. Sekine read the message aloud. "The consulate says Lee Shuko left Japan this morning on a diplomatic flight to Pyongyang. She's already back in North Korea. They can't—and won't—intercept her. She has full immunity."

Gone. The second microfilm was behind the border, in the hands of a woman who had spent her life hiding from the truth. If she destroyed it, the complete record of Yamada's experiments would be lost forever. If she kept it, she could use it as leverage—against Japan, against South Korea, against anyone who had ever wronged her family.

Kanzaki sat down heavily in a visitor's chair. He had the first microfilm. She had the second. The spiral had split into two paths.

Park Soo-jin arrived, her face flushed from running. "I heard. Lee Shuko took the second copy. But there's more—I just got a call from a source in Pyongyang. She didn't go back to her village. She's been taken to a government compound outside the capital. The regime knows she has the microfilm. They're interrogating her. They want to use it for propaganda."

Kanzaki's stomach turned. The North Korean government would take the microfilm, extract every shred of evidence, and weaponize it against Japan. The spiral would become an international incident—the truth twisted into a political tool.

"We need to get her out," he said. "Or get the microfilm out. Before the regime gets the full contents."

"How? She's in a secure compound, surrounded by intelligence officers. We can't send a rescue team. We can't even send a message without it being intercepted."

Kanzaki thought for a moment. Then he pulled out the paintbrush with the first microfilm still hidden in its handle. "I have a copy. The complete record. If I release this—to the media, to the families, to the historians—the North Korean copy loses its power. They can't use it as a weapon if the truth is already public. It becomes just another piece of history."

"You're talking about releasing the full diary—the names, the coordinates, the tests. That would cause a scandal. A massive one."

"I know. But it's better than letting a totalitarian regime use it as blackmail. The truth is dangerous, but it's also liberating. If I release it now, I take away the regime's leverage. And I give Lee Shuko a way out—she'll no longer be a valuable asset. They might let her go."

Park Soo-jin considered this. "That's a gamble. They might also kill her to silence her."

"They might. But if she dies, she dies knowing that the truth lived. That's more than most people get."

He made his decision. He would release the microfilm's contents—not all at once, but gradually, through trusted journalists and academics. He would give the world the chance to confront the past without the filter of political manipulation.

But first, he needed to confirm that the microfilm was indeed the complete record. He needed to read it himself.

The precinct's microfilm reader was an ancient machine that whirred and clicked like a dying insect. Kanzaki loaded the tiny roll and scrolled through the images. The text was dense and technical—Yamada's precise, dispassionate prose detailing the chemical composition of the Emperor's Red, the results of field tests, the names of officers who had signed off on the project. And there, near the end, a section that made him pause.

It was a list. A list of names—not soldiers or officials, but civilians. Korean fishermen, Japanese merchants, Chinese laborers—all of whom had been exposed to the pigment during the field tests. Some had died. Others had suffered long-term illnesses. The list included their addresses, their families, and their fates.

These were the real victims. The ones who had never been counted, never been compensated, never even been acknowledged. The pigment had not just been a weapon; it had been a poison that seeped into the lives of ordinary people.

Kanzaki made a copy of the list. He would personally ensure that every name was investigated, every family contacted, every story recorded. That would be his real work—not chasing spirals, but honoring the forgotten.

He was about to scroll further when the machine jammed. He freed the microfilm and examined it under a magnifying glass. Near the edge, almost invisible, was a tiny scratch—not accidental, but deliberate. A message: "Seek the seventh. It is not in the record. It is in the heart."

The seventh. The seventh act. Sakakibara's final clue. The truth was not in the microfilm. It was somewhere else—somewhere personal, intimate, hidden in a single human heart.

Kanzaki thought of Asakura, sitting in his cell. Of Lee Shuko, trapped in Pyongyang. Of Park Jae-won, waiting in Kyoto. Of all the people caught in the spiral, each holding a fragment of the truth.

The seventh was not a document. It was a decision. A choice that only he could make.

He looked at the microfilm, the list, the diary, the crate. He had collected all the evidence. Now he had to decide what to do with it.

And as he sat in the silent room, the machine whirring beside him, he realized that the spiral had never been about finding the truth. It had been about learning to live with it.

He pocketed the microfilm and stood. He had work to do. And the seventh act was waiting.

But as he walked to the door, his phone buzzed one last time. A message from an unknown number—but this time, it was not a text. It was a photograph. A photograph of Lee Shuko, sitting in a brightly lit room, holding a piece of paper. The paper was a handwritten note. And on the note, in Japanese, were three words: "I am sorry."

Kanzaki stared at the image. She had been forced to write it. Or she had chosen to write it, as a farewell.

Either way, the message was clear: the spiral had claimed one more soul.

And there was nothing he could do to save her.