Isaac Vale didn't move pieces.
He removed connections.
The city woke under a gray sky, rain threatening but never quite falling. From above, everything looked ordinary—traffic flowing, lights switching, people moving with purpose.
From within, the pattern was obvious.
— He's dividing us, Mirei said.
They stood on a narrow rooftop overlooking three separate streets, each leading in a different direction. Deadlock rested against Mirei's shoulder, inactive but ready.
— He's not chasing, Ryuji added.— He's separating.
Jun frowned.
— We're still together.
— For now, Haneul said quietly.
Kaito felt it too.
Not pain.
Absence.
Like something had already been removed and his body hadn't noticed yet.
— He's waiting for us to move, Kaito said.— He wants a decision.
Mirei nodded.
— And whichever choice you make… becomes the wrong one.
As if on cue, every phone in the area vibrated.
Not rang.
Vibrated.
Jun checked his screen and went pale.
— I—I just got an alert.— A structural failure. East district.
Haneul stiffened.
— That's near the old transit tunnels.
Ryuji's eyes sharpened.
— And the west?
Mirei checked her own feed.
— Gas main rupture.— Evacuation ordered.
Two disasters.
Opposite directions.
Too clean.
Kaito's pulse quickened.
— He locked two futures.
Mirei's jaw tightened.
— No.— He locked one.
She looked at Kaito.
— And he's seeing which one you'll refuse.
Silence fell hard.
Jun swallowed.
— People could die.
Kaito's left eye burned faintly.
— They will.
The words tasted bitter.
Ryuji stepped forward.
— We split.
Kaito turned sharply.
— No.
— We don't have a choice, Ryuji said evenly.— He knows you can't cover everything.
Haneul's chain rattled violently.
— I'll take the tunnels, they said suddenly.
Jun turned.
— What?!
— I can stabilize resets underground, Haneul continued.— The environment helps me.
Mirei nodded slowly.
— I'll handle the gas rupture.— Open air gives me vectors.
Ryuji looked at Kaito.
— That leaves you with Jun.
The burn behind Kaito's eye flared.
He hated how logical it was.
— Isaac wants this, Kaito said.
— That doesn't mean we let him decide everything, Mirei replied.
A distant boom echoed across the city.
The clock started.
— Choose, Mirei said quietly.
Kaito closed his eyes for half a second.
Then—
— Go.
They moved instantly.
No speeches.
No reassurances.
Just separation.
And the moment Haneul disappeared down the stairwell—
Kaito felt it.
Something snap.
Underground, the transit tunnels groaned.
Lights flickered erratically as water dripped from cracked ceilings. Haneul moved fast, chain ready, senses stretched thin.
— He's here…, they whispered.
Not physically.
Present.
A single shot echoed through the tunnel.
Not toward Haneul.
Toward the ceiling.
Concrete collapsed in a perfect arc, sealing the passage behind them.
Haneul spun—
— Damn it!
Another shot.
This one embedded itself into the tunnel wall.
Not explosive.
Anchoring.
The air locked.
Haneul froze.
— …He trapped the vector.
Isaac's voice echoed softly through hidden speakers.
— You're out of position, Haneul Seo.
Haneul's heart slammed.
— You know my name.
— Of course.— You're the one who resets mistakes.
A third shot.
The chain lashed out instinctively—but the trajectory bent, forcing it wide.
Haneul stumbled.
— Kaito—!
No answer.
Isaac's voice remained calm.
— He can't hear you.
Above ground, Kaito staggered.
— Haneul…, he whispered.
Jun grabbed his arm.
— Kaito, focus!
Kaito's vision blurred violently, the left side of the world lagging again.
— He cut the line…, Kaito breathed.— Isaac isolated them.
The ground beneath his feet felt wrong—too stable, too decided.
— If I place a mark now…, Kaito said.
Mirei's voice crackled in his earpiece.
— Don't.
— I can reach him.
— You'll collapse everything in between, Mirei snapped.— Including Jun.
Jun froze.
— …What?
Kaito clenched his fists.
This was it.
The choice Isaac wanted.
— He's forcing a sacrifice…, Kaito whispered.
Another explosion echoed from the east.
People screamed in the distance.
Jun shook.
— Kaito— you can't—
Kaito stepped forward anyway.
Pain tore through him as the mark surged instinctively—
Then stopped.
He forced it down.
The mark withdrew.
Jun stared at him in shock.
— You stopped yourself.
Kaito's breath came in ragged gasps.
— If I act…, Kaito said, voice shaking,— I erase too much.
The city screamed.
And for the first time—
Kaito didn't answer it.
Underground, Haneul dropped to one knee as pressure crushed their chest.
The chain glowed violently.
— You can reset this, Isaac said softly.— Or you can die here.
Haneul laughed weakly.
— You don't understand…, they coughed.— He doesn't save people by force.
A final shot rang out.
The tunnel began to collapse.
Haneul raised the chain—
And hesitated.
— …Trust him.
They slammed the chain into the ground.
Not to reset the tunnel.
To reset themselves.
The world lurched.
Haneul vanished.
Kaito screamed.
Not out loud.
Inside.
Something tore loose.
— NO—!
The mark flared—
Then vanished completely.
The city went quiet.
For three heartbeats—
Nothing existed.
Then—
Reality slammed back.
Kaito collapsed to his knees, blood pouring from his left eye.
Jun caught him, shouting his name.
Mirei's voice crackled desperately.
— KAITO— WHAT DID YOU DO?!
Far away, Isaac Vale stared at his scope.
His locked future—
Was gone.
Not overwritten.
Missing.
For the first time, Isaac Vale felt something unfamiliar.
Confusion.
— …Interesting, he whispered.
In the rubble of the transit tunnel, nothing remained.
No body.
No chain.
Only silence.
And the echo of a choice.