656.
Sashiki Castle.
The moment the western ishigakiof the Honmaru enters your sight, your breath stops first.
The stone wall is black.
Black basalt, sharp on the surface as if it swallows sunlight—so like Kumamoto Castle that the memory rises on its own.
Each stone looks piled without thought, yet when you step close you see they all twist their bodies in the same direction.
Stones that have endured rain and wind for hundreds of years.
The line of the ishigaki is severe.
It leans inward by a hair as it climbs—an angle that denies ascent, a posture of the castle drawing itself in.
From here, Sashiki Harbor opens out.
The sea glitters silver in the distance, and beyond it mountain ridges toward Hitoyoshi lie layered and low.
Between those mountains, waterways run as if hiding, and from this vantage you can tell at once that those waters eventually feed into the Kuma River.
The view from the Honmaru is, in the plainest sense, the highest.
Not the sight of someone looking.
The sight of someone looking down.
The structure of the castle is well made.
Honmaru, Ninomaru, Sannomaru—stepping upward like stacked terraces.
It isn't wide.
If anything, the routes are narrow, designed so large numbers cannot climb at once, so footsteps naturally break and thin.
From below it looks gentle, but the instant you set foot on the stone steps your thighs tense first.
The stairs are not straight.
They twist slightly and sever the line of sight.
Each time you climb one flight, the next is hidden.
Steps built by someone who imagined the attacker's movement.
As you climb, the wind changes.
Below, the breeze carries moisture.
The higher you go, the wind thins and turns cold.
Grass gives way to stone.
Old moss, stone washed clean by rain.
Loose gravel rolls from underfoot, and the sound tumbles down for a long time.
At last you reach what remains of the Honmaru.
The feeling is strange.
Your feet are on earth, yet it feels like you are standing in the sky.
A mountain castle on the border of Satsuma and Higo—this is not merely a fortress.
It is the border itself.
One foot below is Higo.
One foot above is Satsuma.
That sense of boundary seeps into the body without a word.
Look around and you understand.
This castle is not splendid.
Not broad.
Instead, it is hard.
Built to endure, built to endure to the end.
To fight here means to fight with the land.
Stone walls and steps, wind and sightlines—everything is part of defense.
Sashiki Castle.
A castle that catches its breath closest to the sky, looking down over the border.
And at the same time—
theirborder, and a wall built to stop them.
To Park Seong-jin, who could vault a tall keep in a single bound, even this hardness was ultimately meaningless.
Park Seong-jin flew to the keep the moment he arrived.
He did not take the narrow, steep stairs.
He did not pass the long trap-woods rising from the moat to the Honmaru.
He cut straight across the castle.
The keep rose like a cliff.
The rooflines looked as if they scraped the sky.
He planted his foot on the roof edge and sprang once more.
Not even a light sound escaped.
When he stood at the top, no one saw him.
Looking down, he saw warriors packed tight around the keep.
More crowded the nearer to the entrance.
They did not look up.
No—they could not.
No one believes a human can fly.
Even a "master" is only someone a little stronger than us,perhaps a man you might still manage to stab if you got close—no more than that.
Maybe they even believed the enemy could not have entered already.
Park Seong-jin settled on the keep roof at the highest point.
He lowered his body and searched inside.
Third floor.
There he was.
"Sagara… was it."
He thought for a beat.
If he killed this one man, would it end.
No.
Another would rise.
Cutting the head at the top would not halt this land.
People love to believe that removing the single worst man at the top ends everything.
In Wa's feudal order, it sounds plausible.
But here, there is always a next owner.
Men who want to be lord—there is no shortage of them.
Park Seong-jin flipped his body and hung beneath the eaves.
Then he slid through an open window as if pouring in.
A man who had been looking down in relief turned his head.
Their eyes met.
In an instant the man's face drained white.
He reached for his sword, but it was already too late.
Park Seong-jin snapped the wrist, took the blade, and seized the front of his robe.
A grip so heavy he could not breathe—
and then, from behind, four men lunged at once.
Park Seong-jin held Sagara's throat in one hand.
With the other hand he swung the sword.
A small motion.
A low sound.
The sword turned in a tight circle and touched the four guards at their blood points—using the Way like a blade, fast and clean.
Not to kill.
To strike the place that makes a body collapse.
Blood sprayed.
The men who rushed to shield their lord fell almost at the same time.
When Park Seong-jin shoved the bodies into the passage, the presence climbing from below stopped.
The stairs were blocked by corpses.
Sagara collapsed.
"Spare me…"
Park Seong-jin looked down and said,
"You should have behaved sooner."
"Why did you raid Goryeo and make this mess."
Sagara slammed his forehead to the floor.
He understood.
He understood why he had walked this path of slaughter.
In this society it didn't feel like sin.
If something similar happened inside their own land, lords would have fought a war drenched in blood.
If it happened next door, they would have chased with blades.
But the safety of Goryeo peasants—far away, anonymous, beyond the sea—
who cared.
That was myfault.
Everyone did it, so why am I the only one in the wrong.
We committed the sin together, but I alone must take the punishment—
That was what his shaking shoulders were saying.
"It was something everyone did…"
Park Seong-jin's voice stayed low, firm.
"If it's a sin everyone commits, does that mean I can do it too."
The words were not difficult.
They were so simple that people usually force themselves to look away—
pretend not to see, because they want to keep living.
Sagara trembled.
"I… didn't think it through… I knew it was wrong, but…"
"Yes."
"Then think now."
"How you should have lived."
"And what you should do now."
Park Seong-jin asked,
"So."
"What will you do."
"Never… never again."
"That's not enough."
"What about what you've done all this time."
"What—shouldn't you offer your neck at least."
At that single line, Sagara's face broke completely.
He dropped all dignity, all lordly posture.
He began to pour out everything.
He would give up everything he could.
Property, men, authority, future—
anything, anything—
only spare his life.
Inside the keep, only his breathing remained.
Sagara lay with his knees folded under him, forehead on the floor.
When his palm touched the tatami, blood seeped into the dry porous fibers and spread.
A moment ago it was others bleeding.
Now his body understood it was his turn.
His breath came fast, his words tangled, and still he would not stop.
He knew: if his mouth stopped, his life ended too.
"I will… do anything I can."
The moment he spoke, he lowered himself further—not only his head, but his whole existence pressed down.
"First… I will forbid any departure for Goryeo at once."
"From this castle and my domain, not a single ship will go out to sea."
"Any ships already out, I will call back."
"Anyone who refuses, I will cut down with my own hand."
He swallowed and continued.
"Second… I will dismiss every retainer and samurai tied to the Matsura faction."
"All weapons, storehouses, hidden grain—everything they've piled up—I will reveal."
"Anyone who hides it, regardless of family, I will drive out."
His words quickened.
The will to live shoved his speech forward.
No—he was babbling.
If he could just survive this moment, he would promise anything.
"Third… I will seal every harbor along the coast connected to Goryeo."
"I will raise watch posts and patrol day and night."
"If you wish, you may even send Goryeo men to oversee us."
He lifted his head once—met Park Seong-jin's eyes—and slammed it back down.
"Fourth… I will gather the rōnin."
"I will take in the drifting fighters and keep them under my banner, but permit no expeditions."
"I will feed them at my expense."
"I will not let hunger drive them into the sea."
His voice shook.
"Fifth… whatever remains of what we plundered—rice, cloth, silver, vessels—I will return."
"If it is not enough, I will make up the rest with taxes from my land."
And still he did not stop.
As if carving pieces of himself off and laying them down.
"Sixth… I will offer my eldest son as a hostage."
"No—if you wish, I will go to Karatsu myself and remain there."
"Take it as proof, while I live, I will not break this vow."
The final words were almost a sob.
"Please… spare my life."
"To guard this castle, to continue this line—none of it matters now."
"Give me a chance to live and set it right."
Sagara could not continue.
He had spilled every word he could.
Everything a lord could surrender.
Everything a father could give.
Everything a man could abandon.
Only then did the keep grow quiet.
Park Seong-jin, sword still out, looked down for a long time.
In his eyes there was no rage, and no mercy.
Only calculation.
What remains if he lives.
What ends if he dies.
All that time, Sagara did not dare breathe deeply, forehead pressed to the floor.
Park Seong-jin said evenly,
"Pay Goryeo tenfold."
Sagara's head jerked up—then struck the floor again.
"You can't go to Goryeo yourself."
"No, I cannot."
"Put it down at Karatsu Castle."
"And post a notice."
"Where you stole it from."
"Which village it belonged to."
"Write every last one."
"I will."
"The hostage stays at Karatsu."
"I will do it at once."
"Disband this force now."
"I'll wait in the lower town."
"Thank you… I will do it immediately."
Sagara bowed at every line.
Too careful.
Too obedient.
Park Seong-jin said no more.
He turned, climbed back to the top of the keep, and glided down like a falling feather.
Chasing castles had made even this familiar.
A town.
A couple temples.
A sake brewery.
A shrine.
An inn.
A samurai quarter set apart, tucked right beneath the castle, so the samurai houses would block an invader first.
A single wooden bridge crossing the interior.
Everywhere, the same template—like a mold.
The moment his feet touched ground, Park Seong-jin adjusted his clothes as if nothing had happened.
Then, like a traveler, with a face that knew nothing, he walked toward the inn.
Above, the castle still held some noise.
Below, the town had already reclaimed its routine.
He melted into it as naturally as if nothing had happened.
He still didn't know whether this was right.
He couldn't be sure this kind of punishment truly worked.
He lacked experience.
He still believed, a little, in human good will.
He had not yet learned fully—by the body—how those who swear and vow inevitably find a thousand reasons to break it.
How millions of reasons, unspeakable in words, pile in their mouths like trash.
And yet it didn't matter.
If it became troublesome, he could strike again.
If they broke the promise, he could break them again.
In the end, he could kill them all.
What good will could be shown to men who sear children to death.
What morality could be spoken to men who return to cut and smash what is already dead.
He had seen too much of their atrocities.
If the raiders left after plundering, the villagers who fled to the mountains could return and rebuild.
But these men returned on purpose, to ensure nothing remained.
Nothing was more frightening than violence hiding behind anonymity.
The instant they believed no one was watching, the instant they decided they were allowed—
people became most cruel.
Society and order should exist to stop that.
But the moment they crossed this sea, they threw away law and ethics, principle and restraint.
The moment they stepped onto a ship, they stripped those burdens off like clothing.
What he was seeing was not thieves.
It was the true face of humans—once they had taken everything off.