Gyutaro's twin sickles could unleash high-speed slashes like raging wind blades.
Even when thrown, he could freely control their flight path.
More importantly—
Those sickles carried lethal poison.
Each swing released blood-bladed winds infused with deadly toxin.
While fighting Gyutaro, Aoyama Ren had to block the sickles and avoid the poisonous blood winds.
It was an extremely troublesome opponent.
Even after repeated attacks, Gyutaro still hadn't managed to land a meaningful hit on Aoyama .
His irritation grew.
"Haaa—!"
"Unforgivable!"
"My cute little sister tried so hard with that tiny brain of hers!"
"And all of you who bullied her…"
"Deserve to die!"
He suddenly leapt back, widening the distance between them.
Both hands tightened around his twin sickles.
A terrifying power burst from within his body.
"Listen carefully!"
"I'm a debt collector!"
"If you owe something, you pay it back!"
"You'll repay your debt with your lives—"
"To Gyutaro!"
As the last word left his mouth, he hurled the twin sickles.
They pierced through the walls and roof—
Then spun in midair and curved downward toward Aoyama Ren and Tengen Uzui.
Aoyama sensed the danger behind him and turned to block.
But he immediately noticed something else—
A civilian stood in the sickles' flight path.
If nothing stopped them, that person's head would be sliced clean off.
Uzui sensed it too.
He rushed forward and placed himself between the attack and the civilians.
Aoyama flashed forward in an instant—
Intercepting the twin sickles mid-air.
The blades were knocked away, spinning once before returning to Gyutaro's hands.
Gyutaro crouched low, staring at them with growing hatred.
"Ahh… how irritating."
"You two really make me jealous."
"Good men, huh?"
"Protecting these worthless humans."
"Getting admired."
"Being worshipped."
"Right?"
His words were filled with venom.
Uzui stood in front of the civilians, disgust clear in his expression.
He hated senseless slaughter of ordinary people.
So he answered calmly.
"Yeah."
"Of course."
"After all, I'm flashy and handsome."
"And besides…"
"I've got three wives."
…
For a moment—
The battlefield went silent.
Aoyama Ren felt something strange.
They were in the middle of a life-and-death fight…
Yet the atmosphere somehow turned…
Ridiculously lively.
The dialogue was bizarrely touching.
But when Gyutaro heard that—
It hit him like a knife to the heart.
His eyes bulged.
His fangs bared.
His tongue hung out as he clawed at his own face in agitation.
"WHAT?!"
"You've got—three wives?!"
"What kind of joke is that?!"
"Unforgivable!"
"You must die!!!"
One man was shamelessly bragging.
The other was drowning in jealousy.
Aoyama didn't even know what to say.
But Gyutaro's attention was completely fixed on Uzui.
Which meant—
An opening appeared.
Gyutaro's poisoned sickles were dangerous.
So Aoyama decided to answer poison—
With poison.
Through his thoughts, he communicated with the system.
He applied the demon-slaying poison stored in his system inventory onto his blade.
The energy flowing along the blade shifted.
From faint crimson—
To a subtle purple glow.
"Blood Demon Art—"
"Flying Blood Sickles!"
Gyutaro swung both sickles, unleashing countless razor-thin blood blades.
Each strike carried lethal poison.
Their trajectories could change at his will—
And they would never disappear until they struck their target.
At that critical moment—
"Uzui, be careful!"
Aoyama shouted.
His body flashed forward and struck the incoming sickles aimed at Uzui.
His interception blocked the deadly attack.
Gyutaro's expression twisted in fury.
This man had ruined his chance to kill Uzui.
The sickles kept attacking relentlessly—
But Aoyama blocked them one after another, preventing the poisonous blades from reaching Uzui.
Meanwhile, Uzui finished evacuating the civilians.
He tossed out several black explosive bombs.
BOOM! BOOM! BOOM!
Explosions echoed through the building.
A wall collapsed with a thunderous crash.
Outside—
Inosuke and Zenitsu had just arrived to help.
The falling wall nearly crushed them.
Luckily they dodged in time.
"Return!"
"Flying Blood Sickles!"
After failing to hit their targets again and again, Gyutaro finally recalled his weapons.
The twin sickles flew back into his hands.
Aoyama Ren and Uzui stood shoulder to shoulder.
Now that the civilians were gone—
They could fight with far fewer restraints.
Meanwhile—
Daki had already stopped crying.
She suddenly leapt up and perched on Gyutaro's shoulders.
Four ribbons erupted from her body and whipped through the air, guarding them.
"Aoyama . Thanks."
Uzui knew exactly how dangerous the situation had been earlier.
Aoyama simply nodded.
But his eyes were fixed on Daki sitting on Gyutaro's shoulders.
Gyutaro cared deeply about his sister.
So—
She would become his weakness.
"Total Concentration!"
"Breath of Light!"
"First Form—Flash!"
The blade sliced through the air as Aoyama shot forward.
His attack aimed straight at Daki.
"You shameless bastard!"
Gyutaro roared.
Aoyama 's lips curved slightly.
He had succeeded.
Though he didn't cut off Daki's head—
His blade severed one of her arms.
Blood splattered across Gyutaro's shoulder.
"What are you doing?!"
"He hurt me again!"
"Again!"
Daki shrieked at her brother.
But something was wrong.
From the severed wrist—
Black-purple discoloration spread rapidly.
"My arm!"
"My arm won't regenerate!!!"
Daki screamed in terror.
Gyutaro looked at her wound.
Just as expected—
The injury refused to heal.
Blood continued to drip.
"YOU BASTARD!!!"
Gyutaro roared in rage.
Anyone who hurt his beloved sister—
Would never be forgiven.
While attacking, he shared part of his sensory ability with Daki to help defend against further strikes.
Aoyama dodged the incoming sickles and launched another assault.
Uzui immediately followed.
His blades slashed apart the ribbons blocking Aoyama 's path.
Then—
A loud voice burst into the room.
"Hahaha!"
"Lord Inosuke has arrived with reinforcements!"
Inosuke charged in—
Dragging along Zenitsu, who was still unconscious but somehow still fighting.
"INOSUKE! ZENITSU!"
Tanjiro shouted in relief.
Seeing both of them alive—
The weight on his heart finally eased.
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