Tamayo only smiled gently at Yushiro's outburst.
She understood Xia Feng's strength.
The fact that he had slain Upper Rank Two was already proof enough—he possessed the potential to kill Muzan Kibutsuji.
And in that regard—
Their goals aligned.
Her wish had always been to erase Muzan from this world.
The Demon Slayer Corps sought the same.
If they could cooperate—
The chances of success would undoubtedly increase.
"Xia Feng-kun, I hope we can work together," Tamayo said softly. "I can provide you with more information about Muzan Kibutsuji."
Xia Feng waved his hand dismissively. "That won't be necessary. Even without your information, I can kill Muzan… as long as he appears in front of me."
Yushiro sneered. "Don't get ahead of yourself. Just because you killed Doma doesn't mean you can act so arrogantly. Muzan Kibutsuji is far beyond any Upper Moon. All Demons exist under his command!"
Xia Feng remained calm. "Before coming here, I entered the Infinity Castle. I met Muzan there… and nearly killed him."
Yushiro froze completely.
His face stiffened, his mind blank.
What kind of joke was that?
For hundreds of years, the Demon Slayer Corps hadn't even managed to kill Upper Moons consistently—
And now this man not only killed one, but even threatened Muzan himself?
As for "almost killing Muzan"—
There was no way Yushiro could believe it.
That was an untouchable existence!
Tamayo fell silent for a moment before speaking again.
"In that case… it seems there's nothing I can offer you."
She looked at Xia Feng. "Then, please—kill Muzan Kibutsuji. I leave it to you."
But Xia Feng smiled.
"No. If you had no value to me, I wouldn't waste time talking—I'd just kill you."
His tone remained light.
"I came here because I need your help with something."
Tamayo looked at him curiously.
"I want you to develop a medicine… one that can turn Demons back into humans."
Xia Feng spoke with a faint smile.
Tamayo nodded. "I see… If it's something you need, I will do my best to develop it. I cannot guarantee success—but I will give it everything I have."
"If you need anything, just tell me."
Just as Xia Feng was about to respond—
His expression suddenly changed.
A ball—
Crashed through the window.
Boom!
It smashed through the wall with terrifying force, its trajectory erratic and impossible to predict.
The room's lights shattered instantly.
Another impact—
The ball shot straight toward Tamayo.
"Lady Tamayo! Watch out!!"
Yushiro shouted in alarm.
But before he could react—
Xia Feng was already in front of her.
A flash of his Nichirin Blade—
And the ball split cleanly in two.
Its force dissipated instantly.
Because its movement—
Was driven entirely by a Blood Demon Art.
Xia Feng turned and looked outside.
Two Demons stood in the courtyard.
"Hahaha! Didn't expect Demon Slayers to be hiding here too. Looks like we'll be bringing back an extra head today."
Susamaru laughed loudly.
"Demon Slayers have been getting way too arrogant lately," Yahaba added with a smirk. "Killing an Upper Moon and suddenly thinking they're invincible? Some even think they can kill us—what a joke."
He frowned slightly. "Also… don't bring that dusty mess near me."
Xia Feng slowly stepped out of the house, his Nichirin Blade held loosely in his hand.
Yushiro called out anxiously, "Be careful! They're very strong!"
Xia Feng simply smiled. "Stronger than the Upper Moons?"
Susamaru let out a mocking laugh. "What a fool. Just because someone killed an Upper Moon, you think you can do the same? Ridiculous!"
She tossed a temari ball straight at him.
Xia Feng raised his blade slightly.
"Too slow."
The ball curved sharply, flying behind him, aiming to crush his head.
But without even looking—
He casually swung his blade backward.
The ball split in two and dropped to the ground.
Susamaru froze.
Only now did she realize—
Xia Feng was far stronger than they had imagined.
And up to this point—
He hadn't even used any Breathing Techniques.
"What? Looking down on us?!"
Her anger flared instantly.
"Then die!!"
She yanked her clothes up to her waist—
Revealing six arms.
Each hand held a temari ball.
In the next moment—
All of them were hurled toward Xia Feng at once.
But just as the balls were about to reach him—
Xia Feng vanished.
Susamaru's pupils shrank.
"You're nothing compared to the Upper Moons. The gap… isn't even close."
Xia Feng's voice came from behind her.
She spun around, ready to attack again—
But suddenly—
She realized something was wrong.
Her vision tilted.
Her head—
Had already fallen to the ground.
"How… is this possible…?"
Her eyes widened in disbelief.
"This Demon Slayer… he's far beyond anything ordinary…!"
Fear flooded her mind.
"You are—"
Before she could finish—
Her body crumbled into ash.
Not far away—
Yahaba watched the scene unfold.
His face turned pale as he staggered backward.
He had already realized who this was—
The Demon Slayer who had nearly killed Muzan himself.
Xia Feng.
"I can't stay here… I have to run!!"
Without hesitation, he turned to flee.
If this was truly the man who killed Doma—
Staying here meant certain death.
But—
In the next instant—
Xia Feng appeared right in front of him.
"Do you want to die?"
His tone was light, almost casual.
Yahaba swallowed hard.
Of course he didn't want to die.
But faced with such overwhelming power—
Did he even have a choice?
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