Serou's house. The last month.
Three months remained.
Kaito had known that number for days now, and it had begun to settle into everything.
Into how he sat.
Into how he listened.
Into the way he looked at his wrist when the mark pulsed in the quiet.
The final stage had not begun yet.
Serou had said the same thing each morning for six days:
"Not yet."
Kaito had stopped asking why.
That, more than anything else, told Serou how close he was to impatience.
On the seventh morning, Serou finally said,
"Tonight."
Kaito did not move.
But something inside him did.
The day passed more slowly than most days.
He read without reading. Ate without tasting. Sat in the courtyard without really feeling the stone beneath him.
When night came, the desert air turned cold.
The sky above the courtyard was clear and empty.
Serou stood across from him.
"No anchors tonight," he said.
Kaito looked up.
Serou continued.
"If you need the anchors now, you are not ready for the next step."
Kaito said nothing.
"The first time, you found the door. Tonight, you do not stop there."
Kaito lowered his eyes.
"And if something reaches back?"
"It will." Serou said it plainly. "The question is whether you will remember the difference between being touched and being taken."
A long silence followed.
Then Kaito sat.
Closed his eyes.
And listened.
The first layer came easily now—the pulse, the warmth, the steady rhythm of the mark beneath his skin.
The second came after it—the pattern beneath the pulse, the structure he had learned to recognize over months of practice.
Then the door.
Not seen. Not heard.
But present.
A threshold.
This time, he did not stop at it.
He let his awareness move a little further inward.
The warmth changed at once.
Not into pain.
Into density.
As if something on the other side had been waiting, not asleep, but patient.
Then—
A feeling.
Sharp. Sudden. Not his.
Cold air in lungs that were not his.
Blood loss. Not seen, but known.
And beneath both of those things—
Resolve.
A terrible, unwavering resolve.
Kaito's breathing broke.
His body tried to pull away.
But the feeling held for one second more.
And in that second, he understood something that no one had told him.
When his mother completed the seal, she had already decided to die.
His eyes opened violently.
He was back in the courtyard.
Back in his body.
Back beneath the desert sky.
Serou was already in front of him.
"What did you feel?"
Kaito did not answer immediately.
He was still breathing too fast.
Then he said, very quietly,
"She knew."
Serou said nothing.
"She knew she was going to die," Kaito continued, voice unsteady in a way Serou had almost never heard from him. "Not feared it. Not suspected it. Knew it."
The silence between them deepened.
Then Serou asked,
"How long?"
"A second. Maybe less."
Serou nodded once.
"That was enough."
Kaito looked down at his wrist.
The mark was bright now. Not violently. But more alive than he had ever seen it.
"What was that?"
"The edge of memory," Serou said. "Not the memory itself. The state around it."
Kaito was silent.
Then he asked,
"Was that her?"
Serou answered carefully.
"It was what she felt when the seal was formed."
"That's not the same thing."
"No," Serou said. "It isn't."
Kaito looked away.
The desert wind had begun to move again, softly this time.
Then Serou said,
"Now you understand why I warned you."
Kaito did not deny it.
Because now he did understand.
It was not only danger.
It was intimacy.
Too much, too fast.
To feel the final certainty of another human being from inside their last decision—
No child should step into that carelessly.
Serou rose.
"We stop here for tonight."
Kaito did not argue.
He remained seated long after Serou had stepped back.
The mark on his wrist slowly dimmed.
But one thing did not.
His mother had not left behind a simple message.
She had left behind the final shape of her resolve.
And now he had touched it.
Three months remained.
And for the first time, Kaito was no longer only afraid of failing to reach the memory.
A smaller fear had taken shape beside it.
What if reaching it changes me first?