Chapter 46: Nichirin Blade Acquired!
Shhk—
Crash!
The moment the demon lunged, Yukinoshita Akira moved instinctively.
With swift precision, he blocked the creature's claws with his Murata Katana—both of them now standing protectively between Yukinoshita Yukino and death.
"Ugh—!"
Yukino staggered back in shock, nearly fainting from the sudden burst of action.
But her rationality held firm. She clenched her jaw, forcing herself not to scream.
After all, this was still an apartment building. There were other tenants nearby. If she made a commotion, things could spiral out of control.
Not to mention... Akira was wielding a live blade. That alone was legally questionable.
"No way... You're just a human—how could you match my speed?!"
The demon's face twisted in disbelief. It had only been a month since it became one of the night-stalking fiends.
Seven humans had already fallen to its claws.
To this creature, humans were nothing more than insects to be crushed at whim. But now... that illusion shattered. There were humans out there—who were terrifyingly strong.
A low hum vibrated through the air.
In that same moment, Akira felt an odd clarity wash over him. His senses sharpened unnaturally, the world slowing to a surreal crawl.
Even the curtain fluttering by the window swayed in a sluggish arc, as if caught in molasses.
"This... Is this the beginning of the Transparent World?"
Akira's thoughts trembled in surprise.
The Transparent World—a rare, almost cheat-like perception ability within the Demon Slayer system.
And yet, it seemed to stir within him now.
A sudden realization dawned on him—this was the true essence of template inheritance. As a successor, he wasn't just receiving memories or techniques. He was awakening the raw potential of his predecessor.
First, the instinctive Visualization of Breathing Techniques.
Now, the first bloom of the Transparent World.
He hadn't learned these techniques formally. But like his forebear, his body understood them. His instincts were pulling them from somewhere deeper.
Shff— Shff— Shff—
With a newfound clarity, the Katana in Akira's hand moved like the scythe of a reaper.
In the blink of an eye, the demon was carved to pieces—head, limbs, torso—all severed.
Chunks of flesh fell in a wet heap, blood spraying across the floor like crimson rainfall.
Then, the moment passed. Akira's consciousness returned to normal.
"No... This can't be... I'm a demon! A being that transcends human limits!"
The fiend screamed in agony—rage, confusion, and dread tangled in its voice.
But in the face of death... every creature is the same. Even demons.
Yukino stood frozen in place, completely stunned.
She couldn't even comprehend how many slashes Akira had landed just now. Could any human really move like that?
[Ding!]
[Template Inheritance increased by 1.5%!]
[Ding!]
[Congratulations, Host. You have obtained the weapon: Nichirin Blade!]
In a sudden flash, a new katana materialized in Akira's hand out of thin air.
Both Yukino and the dying demon stared in disbelief.
A sword… conjured from nothing?
"What a pleasant surprise."
Slipping into that early form of the Transparent World had earned him a 1.5% boost.
More importantly, reaching a total of 3% inheritance had unlocked a Nichirin Blade—a true Demon Slayer's weapon.
No more relying on makeshift tools. This sword was real.
Click—
He drew the Nichirin Blade from its sheath. A cold gleam shimmered along its flawless steel.
It was magnificent.
It didn't just look sharper than his Sandō Katana—it was. By leaps and bounds.
Shhk—
Then, right before his eyes, the silvery blade began to shift... faint traces of black and crimson swirling along its surface.
Nichirin Blades—crafted from Scarlet Ore and Crimson Iron Sand, minerals that absorbed sunlight—were the only weapons capable of killing demons. And their color changed to reflect the user.
Akira's blade had a pale, almost shadow-like tint. The hue was faint... subtle.
Likely because he hadn't yet mastered a Breathing Style.
Had he awakened Sun Breathing like Yoriichi Tsugikuni, the blade would surely have blazed a deeper crimson-black.
"Bring me the item."
"Eh? O-okay!"
Still dazed, Yukino quickly obeyed. She opened the large case she had carried, pulling out an oversized UV lamp.
Bzzt—
A sharp glow surged to life as ultraviolet rays beamed straight onto the demon's body.
"AAAAARGH! What is this?! Get it off me! IT BURNS—!!"
The demon shrieked in agony, its skin bubbling, smoke rising from its blistering flesh.
"It worked!"
Yukino's eyes lit up in relief.
The UV lamp was effective!
But Akira's brows furrowed.
There was damage, yes. But it was... minimal.
The demon writhed in pain, but its wounds were already closing. Regenerating.
"Not good enough."
"W-what? But it hurt him—!"
"True. But pain alone isn't enough. If it can't kill them, then its effectiveness is far too low."
"Ah..."
Yukino's excitement quickly faded.
The demon was still very much alive—no matter how much it screamed.
Thnk!
Without a word, Akira thrust his Nichirin Blade down into the demon's skull.
The blade drove through its head and pinned it to the floor.
"You—!"
Before it could utter another word, the creature's body convulsed... then began to crumble.
Its head and torso turned to ash, scattering like dust in the wind.
Gone. Without a trace.
A scene that once again shook Yukino to her core.
So that's how a demon dies... Not just defeated—but erased from the world completely.
[Ding!]
[Template Inheritance increased by 0.2%!]
"Alright. Let's go."
Click—
Akira slid the Nichirin Blade back into its sheath and packed it along with his Murata Katana in his sword case.
Without sparing a glance back, he turned and walked away.
"Wait—don't leave me behind!"
Yukino spun around the room, her whole body trembling.
Blood. Flesh. Ash.
She wanted no part of this nightmare.
Not another second.
Without hesitation, she chased after Akira, leaving behind the horror of apartment 708.
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