Mirai sat cross-legged in the center of the cavern, his expression exceptionally grave and his brow tightly furrowed.
The pressure he felt didn't come from the task of writing Kōga Kuchiki's past.
Those facts were clear; with a bit of literary polish, they would easily form a cohesive narrative. That wasn't the challenge.
What truly weighed on him—and the reason he had come to this absolute secret sanctuary—was his decision to take an unplanned risk.
Whether it was the signs of noble infighting revealed by Ginrei Kuchiki's conversations or Aizen's seemingly gentle but relentless invitation to "guide his Shikai," the message was clear.
His current strength at the 5th Class of Spirit Power was barely enough for self-preservation in the storm that was about to break.
Strength was the only thing that mattered. Only by being strong enough could he have the luxury of choice in the coming shifts, rather than being swept away or reduced to a pawn on someone else's chessboard.
Therefore, for Kōga Kuchiki's story, he didn't intend to stop at merely recording and beautifying the "past" as he had with Aikawa or Shuuhua.
He was going to try and touch something far more dangerous, yet potentially far more powerful.
Mirai slowly stood up. He gripped a stack of blank paper in his left hand and reached for his waist with his right.
He grasped the hilt and drew the blade.
The ancient-looking Zanpakutō emitted a slight warmth in his palm.
He parted his lips, his voice echoing clearly through the hollow cavern:
"Pick up the pen, Raijin Seisho."
The Zanpakutō in his hand vanished, replaced by an ancient calligraphy brush. Its body felt warm and smooth, and its tip shimmered with the shifting glow of spirit particles.
The moment the brush took form, Mirai's Spiritual Pressure erupted!
Inside the calm cave, invisible spiritual energy began to spin violently. It formed a visible, pale blue vortex with him at the center.
The air churned, letting out a low howl. Fine dust and grit from the floor were swept up, hovering and dancing in the gale.
Mirai stood at the eye of this spiritual storm, his body as steady as a mountain.
He gripped the brush—the transformed Raijin Seisho—in his right hand and pointed the tip at the paper held in his left.
The spiritual energy in his body climbed at an unprecedented rate, surging toward its limit.
He could feel his spirit particle circuits heating up. His blood flowed faster, and his very soul trembled under the surge of power.
Now!
The moment his power hit its peak, a sharp light flashed in Mirai's eyes. He snapped his right wrist downward.
It wasn't a writing motion; it was a strike, like a blade cutting down!
The tip of the brush hit the paper.
There was no ink. Only highly condensed Spiritual Pressure transformed into invisible furrows. Accompanied by the words flowing from his heart, they were seared deep into the paper:
The moment the words were finished, the paper fluttered without wind. It vibrated slightly, a dim golden light flowing across its surface as if it had been granted a living soul.
Mirai did not stop.
The color drained from his face, and fine beads of sweat broke out on his forehead. However, the hand holding the brush became even steadier.
The spiritual vortex around him didn't subside; instead, it grew more violent and turbulent!
The suction increased suddenly. Sheets of grit were swept off the floor, turning into miniature tornadoes that circled him.
He was overdrawing, squeezing every drop of power. He was pushing the ability of Raijin Seisho into a blurred, dangerous territory.
He wasn't just recording or decorating what "had happened." He was trying to outline what "had not yet happened"—a "Future Poem" based on existing clues and possibilities.
He raised the brush tip again. Concentrating every ounce of his mind and spirit, he "cut" into the paper a second time!
Part II: The Mirror Betrayal
When the entire Seireitei
Begins to rinse its mouth with my reflection
Every mirror grows
Blade calluses of varying depths
Some see puppets dancing
Some see the dancers strangling
The palm lines of the puppeteer
The final stroke landed.
Woom!
A soft hum from the brush tip echoed through the cavern.
Almost simultaneously, the violent spiritual vortex around Mirai collapsed. The grit and sand he had swept up clattered to the floor.
"Cough! Cough, cough, cough!"
Mirai doubled over, coughing violently. Each hack felt like it was tearing at his internal organs.
A copper taste filled his mouth, and a spray of bright red blood erupted from his lips. It splashed across the cold floor, blooming into a startling stain.
His legs gave out. No longer able to support himself, he collapsed into a heap on the ground.
His left hand instinctively clutched his chest. Sharp, stabbing pains radiated from within, causing cold sweat to pour down his face as he ground his teeth together.
He fought to suppress the backlash of pain originating from the depths of his soul. His heavy breathing was the only sound in the silent cavern.
After a long while, the tearing sensation finally receded like a tide, leaving behind only a lingering dull ache and a persistent sense of weakness.
Mirai slowly loosened his grip on his chest. His fingertips were still trembling.
He looked down at the paper in his left hand—the vessel of the "Future Poem."
The dim golden glow on the surface had settled inward, but the characters seemed to have gained actual weight, pressing heavily against the paper.
He hadn't expected this. Simply using the blurred, metaphorical form of a "poem" to outline the possible future of Kōga Kuchiki had nearly damaged his soul and left him coughing blood!
Furthermore, he could feel that this "Future Poem" only touched on a very short timeframe. At most, it covered events that might happen within the next few years.
Its clarity and certainty were also heavily compromised. It was more like a collection of prophetic warning fragments than an exact script.
Kōga Kuchiki was certainly not weak, but his strength relied heavily on the specific and troublesome ability of his Zanpakutō, Muramasa.
His own Spirit Power level was likely somewhere in the middle of the Captain-class range—hovering around the lower end of the 3rd Class.
If describing the vague future of a Shinigami at this level cost Mirai such a price...
Then beings like Aizen Sousuke or Retsu Unohana, whose strength was unfathomable and whose Spirit Power was likely at the extreme top...
At his current stage, he couldn't even entertain the thought of trying.
If he forced himself to write about them, he would likely be drained of spiritual power instantly, or his very soul would collapse.
Mirai struggled to his feet. He folded the draft of "Prison of Strings" and tucked it into his robes.
As he moved, the muscles in his chest and arms throbbed with pain.
He had taken the risk of writing the "future" not just to add depth to Kōga's story.
He did it to test the boundaries of Raijin Seisho and to gain a clearer understanding of his own limits.
Now it was clear. With his current Spiritual Pressure reserves and his mastery over Raijin Seisho, using poetry to vaguely touch upon the near future was his absolute limit.
If he wanted to write a future with more clarity, it would likely exhaust all his power and leave him in a state of extreme danger.
Ultimately, his foundation was too thin.
His Spirit Power level, his total reserves, and his understanding of the essence of his own power all needed to be improved.
He stood silently in the center of the cave for a long time, feeling his spiritual power slowly recover and acknowledging the distinct weakness in his limbs.
The moonstone-like dome overhead shed its constant light, illuminating his pale face.
Finally, he let out a heavy breath that tasted of blood. He turned and walked toward the entrance.
The Raijin Seisho in his hand had already reverted to its Zanpakutō form, hanging quietly at his waist.
Some paths only reveal their difficulty once you try to walk them. But those are the paths that must be taken.
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