9:12 a.m.

The city
was waking.

We—

were already past that.

SID Operations Room.

More screens.

More data.

Faster than last night.

But the real difference—

was the volume of reports.

“New cases,” said Kim Min Jung.

She didn’t look up.

Her screen was already filled.

One.

Two.

Five.

Ten.

Climbing.

“Symptoms?” I asked.

“Mild dizziness. Balance disruption. Visual drift. Reaction delay.”

She paused.

“And in some cases—short-term memory gaps.”

The air dropped.

“Fatal?” Lee Wai Hing asked.

“Not yet.”

“Recovery?”

“Most return to normal within five to fifteen minutes.”

“And then?”

“They go on with their day.”

She said it calmly.

That made it worse than death.

Because it meant—

this was no longer about killing.

This was about—

control.

I stepped to the main screen.

The data mapped.

Dots.

Lighting up.

Mall.

Subway.

Office blocks.

University.

Food streets.

Not clustered.

Spread.

Like water seeping.

“Time distribution,” I said.

Tan Chih Lin pulled the curve.

“No fixed time.”

“Peaks at flow intersections.”

“But not extreme peaks.”

I understood.

“They’re choosing density.”

“Exactly,” he said.

“Too little—no data.”

“Too much—no control.”

Yim Bing stood by the map.

“These aren’t points,” she said.

“They’re paths.”

She traced lines.

Flow.

Crossings.

Dwell zones.

“They’re using human movement as a carrier.”

“Min Jung,” I said.

“Already on it.”

She overlaid airflow.

Ventilation.

Return currents.

Thermal drift.

Then—

merged.

The dots became—

streams.

“Anomaly zones,” she said.

Five areas lit up.

All shared traits:

Semi-enclosed.

Air circulation.

Sustained foot traffic.

Moderate dwell time.

“Sensors?” I asked.

“Layer one deployed.”

“Where?”

“Malls, transit corridors, atrium return flows.”

“Accuracy?”

“Micro-volatility detection. Needs baseline.”

“Deploy layer two.”

“Human flow layer?”

“Yes.”

Chang Hsin-Yan spoke.

“They’re adjusting.”

I looked at her.

“Dosage.”

She raised her eyes.

Cold.

“Not error.”

“Calibration.”

“Explain.”

“Phase one—fatal.”

“Four cases.”

“Establish threshold.”

“Phase two—sub-lethal.”

She pointed.

“These people.”

“Not collapsing.”

“But influenced.”

She paused.

Then—

“This is controlled-state testing.”

The room froze.

“So they can decide—”

Lee Wai Hing began.

“Who dies. Who doesn’t,” I finished.

No one spoke.

That was enough.

“They’re scaling data,” said Tan Chih Lin.

“Why?” asked Yim Bing.

“Crowds.”

He replied.

“Before—one subject.”

“Now—many.”

“Every micro-reaction—data.”

I looked at the map.

The flows.

The zones.

It no longer looked like a city.

It looked like—

a system.

“They’re running simulations,” I said.

“Real-world simulation,” Kim Min Jung added.

“Live feedback,” Tan Chih Lin said.

“Behavioral mapping,” Chang Hsin-Yan said.

“Dispersion optimization,” Yim Bing said.

“And then—”

Lee Wai Hing looked at me.

“Scale.”

No one disagreed.

I moved to the window.

Outside—

life.

Traffic.

People.

Light.

Coffee.

Laughter.

No one knew.

They were already inside the test.

“Any scent reports?” I asked.

Kim Min Jung shook her head.

“Almost none.”

“A few say ‘something faint.’”

“No one flags it.”

Of course.

That was the point.

Invisible.

Accepted.

Unquestioned.

“They’ve passed phase one,” Chang Hsin-Yan said softly.

“What phase?”

“Acceptance.”

Silence.

“When something is accepted,” she said,

“it can enter.”

I didn’t respond.

She was right.

I turned back.

“Expand data sweep.”

“All mild cases—capture everything.”

“Cross-map demographics, movement, exposure.”

“I want to know—”

I paused.

“Where they go next.”

“Prediction running,” said Tan Chih Lin.

Red zones appeared.

Larger.

“High-probability expansion areas.”

“If I were them—this is where I’d go.”

I studied them.

One common trait—

dense.

Controlled.

Perfect.

“They’re ready,” said Yim Bing.

“No,” I said.

She looked at me.

“They’ve already started.”

Silence.

We weren’t preventing.

We were—

chasing.

I looked at the city.

The grid.

The system.

And realized—

we were wrong.

Not Lin Bing.

Not Hong Yu.

Not Tan Xin Yi.

Not Su Mei Mei.

They were—

entry points.

“The target was never a few people,” I said.

No answer.

“It’s the city.”

Sunlight poured in.

Bright.

Cold.

And in the air—

nothing could be seen.

Yet—

it had already begun.