Demon Slayer: The Journey That Began When I Became Yoriichi's Sister

“…Understood.” Kokushibo hesitated for a moment, put away the Hollow Crying God in his hand, and took two steps back to the side.

Seeing this, Muzan felt a surge of dissatisfaction.

Kokushibo... actually hesitated on his orders?

As expected, both the waning and waxing crescent moons were unreliable.

In this world, as long as there is one ghost like him, that's enough.

Muzan secretly decided that as long as he successfully overcame the sunlight, he would never need any other demons again.

"Step back?"

Yuko didn't feel the pressure suddenly decrease; instead, she became even more vigilant.

Infinite City?

She didn't know how many more tricks Muzan had up his sleeve, but if he did, the Infinity Castle must be one of them.

The Demon Slayer Corps wanted to establish their base on the surface, while Muzan wanted to move the battlefield to the Infinity Castle.

They did not gain the upper hand on the surface, but in the Infinite Castle, Muzan would inevitably fall into a disadvantageous position. It was an alternate dimension where there was no distinction between day and night.

It can be said that Muzan was invincible in the Infinity Castle.

The best solution is to lock Muzan to the ground.

But Yuko knew that this idea was a bit too simplistic. As long as the battle continued, the Blood Demon Art that opened the gate in the Infinite Castle would be difficult to withstand.

and so……

After entering the Infinite City, find the female ghost playing the piano and kill her.

In that case, the Infinite City would collapse, and the Blood Demon Art would become ineffective, allowing them to return to the surface.

As Yuko pondered, Muzan was no longer going to hold back. Since he had already decided to deal with the Demon Slayer Corps later, he could no longer have any thoughts of testing them.

Even if this woman has evolved into an existence like him, as long as he is dragged into the Infinite City, he will still be the victor.

Muzan's crimson eyes turned even more scarlet, and his life force, like that of a volcano, suddenly erupted, his aura pouring out like a torrent.

Anyone who stands right in front of you will understand once they see it.

This guy... is worlds apart from the Twelve Demon Moons.

This aura was quite overwhelming, but as a being on par with him in terms of life level, Yu Zi only felt a slight palpitation and was not frightened by this aura.

She even had the mind to scrutinize Kokushibo beside her.

See, now you understand, bro?

Whether human or ghost, abilities have limits, and have nothing to do with short or long lifespan. Finding the right method is the way to progress.

What kind of world is this? People still believe in ghosts and gods.

Science is the only way.

Yuko casually surveyed her surroundings, and finally, with the perception of her transparent domain, she detected the figure lurking in the distance.

Have we arrived yet?

If it's any later, we should be collecting her corpse... no, she'll most likely be eaten alive, leaving not even a trace, and we'll probably be setting up a memorial tablet for her.

Yuko glanced at Kokushibo first, and when she found that he was not acting strangely, she felt relieved.

Yushiro's Blood Demon Art is a good thing; even Muzan couldn't sense it.

However, the ability of the transparent domain to perceive their surroundings may allow them to see through their location.

If Muzan also knew Breathing Techniques and the Transparent Domain, then they really wouldn't stand a chance.

Yuko's golden eyes looked at Muzan.

Their eyes met, and their crimson and golden pupils seemed to spark with lightning.

So... let's restrict this woman's movements first.

So... let's restrict Muzan's movements first.

Almost identical words filtered through their minds, and their figures instantly disappeared from the spot.

Yuko dodged the flesh whip slashes that came at her with ease, capable of creating sonic booms, using her clear vision to keep dodging them.

The once-decent courtyard landscape was instantly struck by a devastating blow, like a natural disaster.

The ground was cleaved into trenches, the houses behind them collapsed suddenly, and the walls on all four sides fell down one by one.

The rumbling sound continued incessantly.

"My body can't compete with his; I can't go toe-to-toe with him." Seeing this, Yuko became even more focused.

Muzan was incredibly fast, so fast that even she, in her current state, had difficulty keeping up, but his straightforward attack method was countered by the Transparent Domain.

No, even with clear vision, it's difficult to keep up with that speed.

Yuko's clear vision was functioning like never before.

Even so, the fleshy whips that Muzan's arms transformed into covered an area of ​​nearly ten meters around him, making it almost impossible for him to get close.

However, Muzan also began to realize how troublesome Ikuko was.

The attack missed.

This reminded her of the time she encountered that monster hundreds of years ago.

They were just weak humans; a mere glancing blow would have been enough to crush them like an ant.

But the opponent's unimaginable ability to dodge made it impossible for him to hit him.

Like dancing gracefully amidst flowers on the edge of a knife, Yuko would often make a move as soon as Muzan made a move, and she would already be in a position to avoid him.

Realizing she couldn't get close, Yuko quickly abandoned her plan to restrict her movement, and blood continued to seep out from the wounds she had deliberately left on her arm.

After losing Ikuko's direct control, it attacked Muzan, who was closest to it, as if out of control.

The blood droplets first extended into blood lines, attacking Muzan either by piercing or by wrapping around him.

Muzan wielded his long whips, easily severing the bloodline that the Pillars had previously needed to attack repeatedly to cut.

But the bloodline did not stop there; instead, it transformed into more and denser short lines, as if it were an endless stream.

Even if he cuts it down to the last bit, it will still gather towards other drops of blood as if it were alive.

In fact, due to Muzan's attacks, both the number and density of the attacks far exceeded those at the beginning.

A chilling aura emanated from these blood droplets, quickly affecting the ground and the air.

The movements gradually slowed down, and it felt as if the lungs were being eroded, making even breathing more difficult.

For the first time, Muzan had a tricky idea.

That Blood Demon Art... doesn't seem to be under control...

It's like having self-awareness.

I have never seen blood demon magic of this level before.

That's similar to Douma's Blood Demon Art, but with more comprehensive abilities and a completely different level.

It's not just about dealing damage with cold air and ice spikes.

Strictly speaking, that woman's Blood Demon Art should be about controlling her own blood; the coldness is a byproduct, and the shaping is merely a manifestation.

Noticing his body becoming increasingly stiff, Muzan's expression darkened.

If this continues, he really can't hold out any longer.

Should we call on Kokushibo?

That would be so embarrassing.

He just used his authority as the boss to dismiss someone, and now he's calling them back.

I can't afford to lose it.

Muzan hesitated for a moment with a dark expression, then decided to take the blame himself.

?

Noticing Muzan's fluctuating expression, Yuko raised an eyebrow.

If you don't move, she might.

But just as she was about to manipulate her blood to compress Muzan's attack bit by bit, Muzan's body underwent a new change.