Author: Shinya Kato

The grey cat Minuet was asleep on the windowsill.
Sunlight drifted through the glass and settled across her back. Outside, the campus lawn shimmered in the warm air.

“By the way,” Karim said.
“When the professor talks about his theory, he always raises his right hand and looks into the distance. You know — when he says, ‘The Sun and the ocean are connected.’”
Erena laughed softly.
“Oh, that gesture.”
She leaned back in her chair.
“I actually like it. For a moment, it feels as if the whole world connects inside his head.”

Karim frowned.
“Honestly, it looks like a teenager pretending to summon cosmic forces. He raises his hand and starts talking about auroras being ‘traces of energy convergence.’ The first time I saw it, I thought it was some ritual.”

Erena shrugged and lifted Minuet from the floor. The cat purred, and the faint projection of the magnetospheric structure field in the lab flickered slightly around them.
“Karim, you’re still young,” she said.
“You’ll understand that gesture someday.”
“There’s meaning in it?”
“Oh yes.”
She nodded toward the luminous mesh projected across the room.
“The professor isn’t looking at objects. He’s looking at connections.”
Karim glanced at the glowing threads floating in the air.

“You mean the environmental structure idea.”
“Yes.”
The projection showed a faint network spreading through the room, lines drifting like slow currents.
“In the old sense,” Erena said, “environment meant temperature, atmosphere, ocean currents. Physical things.”
She pointed to the display.
“But environment is really the structure formed by relationships between things — energy, matter, and fields.”
Karim tilted his head.
“Relationships between what?”
“Everything.”
She gestured toward the window.
“The Sun heats the ocean. The ocean moves the air. The air shapes the climate. Climate shapes life.”
She paused.
“And life shapes thought. Thought reshapes the environment again.”

Karim watched the shifting lines of light.
“So the environment isn’t just physical.”
“No.”
Erena looked outside.
“It includes minds.”
Karim laughed.
“That’s a big definition. By that logic, souls are part of the environment.”
Erena thought for a moment.
“Yes,” she said.
“They probably are.”
Karim shook his head.
“So one day, environmental science will study heaven.”
“Maybe it already does.”
Her voice sounded almost casual.
“If heaven isn’t a place but a phenomenon created by relationships between beings, then it may simply be another environmental structure.”
Karim blinked.
“The professor definitely says things like that.”
“Yes,” Erena said.
“With his right hand raised.”
They both laughed.

At the window, Minuet slowly opened her eyes.
Her ears twitched.
Something moved in the grass outside.
A mouse.
The cat lowered her body, muscles tightening.
Karim watched.
“You know,” he said, “cats catch mice as if they can see the future.”
“They predict a few seconds ahead,” Erena said.
“With their bodies.”
Karim considered this.
“So that’s also part of the structure?”
“In a sense.”
She nodded toward the lawn.
“The cat’s nervous system. The mouse’s movement. The vibration of the ground. The air. Gravity.”
“All of it forms one temporary structure.”
Karim nodded slowly.
“And when the cat jumps…”
“…that moment is a convergence.”

Minuet leapt.
The mouse darted away. The cat landed lightly on the grass, empty-pawed.

“Close,” Karim said.
But then he noticed something.
The projection in the lab had begun to shift.
The threads of light were bending westward.
Toward the ocean.
Karim frowned.

“Professor… this isn’t normal.”
Erena stood and looked at the display.
The structure field pulsed once, gently, like a wave passing through it.
“That shouldn’t happen yet,” she murmured.
“Yet?”
She didn’t answer immediately.
Instead, she looked toward the distant sea.
“The professor has a strange hypothesis,” she said at last.
Karim waited.
“He thinks environmental structures sometimes reorganize before physical systems respond.”
Karim blinked.
“You mean before the atmosphere reacts?”
“Before the magnetic field shifts.”
They both looked at the display again.
The luminous threads drifted slowly, as if the world itself were leaning toward the horizon.

Karim turned toward the window.
The Sun was lowering over the ocean.
Suddenly, the chain seemed obvious.

The Sun warms the ocean.
The ocean moves the air.
The air bends the grass.
The grass moves the mouse.
The mouse moves the cat.
The cat moves his own gaze.

All of it is inside the same structure.
Without realizing it, Karim lifted his right hand slightly.
As if testing the flow of air.
Or listening for something.
Behind him, Erena spoke quietly.
“See?”
Karim turned.
She was smiling.
“I told you. One day, you’d raise your right hand.”
Karim sighed.
“…This is bad.”
“Why?”
He looked back toward the sea.
“For a second,” he said,
“I think I understood the professor.”
Outside, Minuet wandered slowly through the grass again.
The structure of the world continued to shift.
Sun. Ocean. Air. Life. Thought.
Everything connected through patterns no one could quite see.
The sky above the campus was quiet.
Ordinary.
Still.

The Earth’s magnetic field had not yet begun to move.
The aurora had not yet appeared above New York.
That would happen a little later.

But something in the structure of the world had already begun to move —
long before physics noticed.