Demon Slayer: The Demon King is actually a weak girl?!

Kokushibo was still wearing his purple and black samurai uniform, and his six terrifying eyes were staring at Muzan with piercing eyes.

"Master Wuhan."

"Black Death." Muzan raised his chin and looked at him, "Now there is an opportunity in front of you. It depends on whether you want to fight for it."

Kokushibo was confused: "May I ask what the opportunity is?"

Wuzan coughed twice and uttered only one word -

"Breath of the Sun."

“……” Kokushibo’s six eyes widened.

Breathing of the Sun, Master Muzan mentioned Breathing of the Sun again...

Last time, Lord Muzan said that the Sun Breathing was not lost, but turned into a dance. Could it be that she has found it?

He looked at Muzan in disbelief, only to see Muzan say to him again: "I allow you to try to learn the Breathing of the Sun again, but the prerequisite is that you must be my brother."

"..."

Since Lord Muzan said so, then we must have found it.

Wait, she just said...

"elder brother?"

Kokushibo was a little confused and repeated the word again.

Wu Can laughed and said, "Yes, it's just a role play. Just keep your usual lifeless lemon look."

Black Death Mou: “…”

What is a lemon look? What does a lemon look like?

It's really puzzling.

But when he thought about learning the Sun's Breathing, he felt extremely heavy...

"That face, that face that disgusts me, I still couldn't learn that sword skill that shines as brightly as the sun.

I could only modify it in my own way and named it "Breath of the Moon"...

Why can't we just disappear if we haven't learned something?"

Why did he dare to appear before Muzan, the thing that was finally buried and deserved to die...

Those complaints, like the resentment of a vengeful spirit, drilled into Muzan's mind word by word.

Seeing that he was about to back out, Muzan quickly comforted him, "Kuroshibo, don't worry. You are no longer the same person you were before. After so many years of training, your learning ability is no longer the same as before. Just put aside your worries and try it boldly."

"……Yes."

At this point, he could only say "yes".

Wuzan continued to babble: "Oh, by the way, I saved a pair of twin brothers before. After some investigation, I found that they were your descendants four hundred years ago. Due to some considerations at the time, I did not use my own appearance directly, but turned into your appearance to save them. If you see them, remember not to be exposed..."

Muzan told Kokushibo what had happened in detail.

After hearing this, Kokushibo was a little speechless about Muzan's impersonation, but he focused more on the pair of Tokito brothers that Muzan mentioned.

He felt a little touched in his heart: "So that's how it is. The surname 'Jiguo' no longer exists..."

"Yes." Wuzan smiled, his eyes curved like crescent moons, "Back then you abandoned your wife and children, betrayed the Ubuyashiki clan, and turned into a demon without permission. Of course, they didn't want to share the same surname with you."

Black Death Mou: “…”

All this seems to be caused by this ghost king who is sometimes male and sometimes female in front of me... ?

"Okay, I was just kidding." Muzan tried to save Kokushibo's dignity again, "Looking back through the ages, how many nobles have gradually fallen into decline in the tide of history? This is also a very normal thing."

"...That's absolutely true." Kokushibo's mood eased a little.

Feeling relaxed, he raised his head and looked at the boundless Infinite City.

The warm yellow light made his purple snake-scale-patterned shirt appear black.

"That child named Muichiro, I want to turn him into a ghost as well, so that he can work for you together."

Kokushibo said sincerely.

Muzan raised his hand and said, "No need. Look at Yuichiro and Muichiro. Aren't their current states very similar to you and Yoriichi Tsugakuni back then? One is a human, and the other is a ghost. Do you want to see which of the two brothers is stronger?"

"..." Kokushibo was slightly stunned.

Eh? Why didn't he think of that?

They are both twins, both are descendants of the same family, and both have taken different paths...

This is really... it's hard for ordinary people to imagine...

As expected of Master Muzan...

"Why don't we see," Muzan said in a clear voice, "who among them can learn the Sun Breathing. Muichiro became a Hashira after only two months of holding a sword, but Yuichiro, well... let's just make do for now."

Even so, Muichiro also achieved such an achievement through hard training under high intensity and pressure. And Ichiro was leisurely every day, with no goals or ideals, so until now, no one could see what was so outstanding about him.

However, this also inexplicably fits the situation of Yoriichi and Kokushibo back then, it's just a "low-profile version" -

The human one looks more talented, while the ghost one looks... actually not bad, but his performance is not as good as the former.

——Never mind, let’s just leave it like this for now.

"Lord Muzan, I want to meet the child named Ichiro." Kokushibo suddenly said to Muzan.

"Really?" Wuzan raised his eyebrows, "You are the ancestor, are you suddenly kind-hearted and planning to bless your descendants?"

"..."

Kokushibo was at a loss for words for a moment and just stared at Muzan without saying anything.

------------------------------------

Outside, Wuzan was chatting animatedly;

Inside, the original owner, Muzan, was studying late into the night with great difficulty.

Finally, he revealed a grin.

“Ugh…”

Although the laugh was not gorgeous at all, it didn't matter because he was the only one here and Xiao Wu was outside and couldn't hear it.

——Yes, that’s right, this is it, he has researched it!