The days after that night did not explode into chaos.
They became… quiet.
Terrifyingly quiet.
Three days later, Kang Joon-Ho returned to work.
Same office.
Same desk.
Same people.
Nothing had changed.
Except him.
"Joon-Ho, you okay?" one of his colleagues asked casually.
He looked up, gave a small nod, and replied,
"I'm fine."
And just like that, the conversation ended.
No emotion.
No explanation.
Just a perfect, normal response.
That was the first change.
He stopped explaining.
Weeks passed.
At home, his mother moved slowly, like a shadow of her former self. His younger brother tried to act normal, but the silence between them said everything.
Joon-Ho watched them.
Carefully.
Every small struggle.
Every hidden tear.
Every unpaid bill.
He said nothing.
But he remembered everything
At night, he didn't sleep much.
Instead, he sat at his desk.
Laptop open.
Files everywhere.
Not work files.
Evidence.
Han Soo-Jin.
Her social media.
Her call patterns.
Her contacts.
Every detail… collected.
Every inconsistency… noted
The system appeared again.
Not as a voice this time.
But as text.
Cold. Clear. Precise.
[Revenge Protocol Initialized]
[Primary Target: Han Soo-Jin]
[Objective: Total Destruction]
Joon-Ho stared at the screen.
No reaction.
Just focus.
[Suggestion: Gather Evidence Before Action]
[Success Probability Increased by 72%]
A slow breath escaped him.
"Of course…"
His voice was calm.
Too calm.
That was the second change.
He stopped reacting.
He started calculating.
Days turned into months.
And Joon-Ho… changed.
He began waking up earlier.
Running.
Training.
Not for health.
For control.
His body became sharper.
His mind became quieter.
His emotions… distant.
At work, he improved.
Not by working harder.
But by working smarter.
Observing people.
Understanding patterns.
Learning how people lie…
and how they hide the truth.
At home, he became reliable.
Paying bills on time.
Supporting his mother.
Guiding his brother.
A perfect son.
A perfect elder brother.
And behind that perfect image…
A man preparing for war.
Six months later.
Joon-Ho sat in a small café, his eyes fixed on his phone.
A message thread.
Unknown number.
But he knew exactly who it was.
Han Soo-Jin.
He didn't reply.
He didn't block her either.
He simply… watched.
Another message came.
"We need to talk."
He stared at it for a few seconds.
Then locked his phone.
Ignored.
The system flickered again.
[Emotional Control: Stable]
[Decision Efficiency: Optimal]
A faint, almost invisible smile appeared on his face.
Not out of satisfaction.
But recognition
That was the third change.
He stopped caring.
Nine months later.
The investigation was complete.
Photos.
Call logs.
Bank transfers.
Hidden meetings.
And the truth…
About her.
About the man she was hiding.
About everything
Joon-Ho closed the final file.
His room was dark, lit only by the glow of his screen.
For a long moment, he said nothing.
Then—
"Almost time."
The system responded instantly.
[Condition Check]
[Emotional Instability: 0%]
[Patience Level: Maximum]
[Revenge Efficiency Projection: 94%]
A pause.
[Recommendation: Wait]
Joon-Ho's eyes shifted slightly.
"Why?"
[Significant Date Approaching]
[Emotional Impact Multiplier: High]
He didn't need to ask.
He already knew.
One year.
One year since his father's death.
Silence filled the room again.
But this time—
It wasn't heavy.
It wasn't painful.
It was controlled
Joon-Ho slowly stood up and walked toward the wall.
Toward the photograph.
His father smiled the same way.
Unchanged.
Frozen in time.
"I'll do it properly," Joon-Ho said quietly.
No anger.
No tears.
"On that day."
His fingers lightly touched the frame.
"They'll understand…"
A small pause.
"…what it feels like to lose everything."
Behind his calm eyes—
There was nothing left.
No hesitation.
No doubt.
Only purpose.
And for the next three months…
Kang Joon-Ho waited.
Not as a victim.
But as something far more dangerous.
A man…
Who had already decided the ending.