Tsugikuni

Tamayo's hair stood on end in an instant.

The next moment, a tubular whip violently plunged into her head. Tamayo's pupils contracted as intense pain instantly engulfed her.

Her face twisted viciously as she ground her teeth, letting out a low roar in her heart.

Muzan!

You bastard!

Muzan withdrew the tubular whip and admired Tamayo's gritted expression.

For a moment, he felt that this scene might have overlapped somewhat with the original story.

Impossible!

Absolutely impossible!

He was completely different from the Scum Boss in the original story!

He was doing this for Tamayo's own good!

(ಡωಡ)

Tamayo finally endured it. Without a word, she rose from the ground like a zombie, left Muzan's sight with a dark expression, and carried her book away.

For some reason, her anger stirred up a strange feeling, and several lines surfaced in her mind:

Why don't you just die!

This filthy man!

Muzan Kibutsuji!

Tamayo: "???"

Why was I thinking that?

Muzan: "???"

Why did that sound a little familiar?

Hearing Tamayo's inner thoughts, Muzan hurriedly denied it. In any case, he was different from the Scum Boss!

Pleasant days passed quickly, and the leaders of the Demon Slayer Corps changed one after another.

More than a hundred years had passed since he transmigrated. Because of his interference, the original history had become utterly unrecognizable. The remaining forces were now basically all under Muzan's command, fighting one another.

They were having quite the time!

There were almost no other forces left—only a bunch of demons leading a bunch of humans to fight each other.

The key was that none of them would submit to another. I've worked so hard for so long, so why can't I be the one to establish the shogunate in the end?

Thus, even though they were all demons under Muzan's command, none of them would back down.

In the end, Muzan did not interfere. It would not have been appropriate for him to meddle in such matters.

He merely reminded them not to let other forces reap the benefits, then left them alone.

Seiji was also one of the forces that laughed last, so Muzan stayed with Seiji for several decades without moving around much.

But one day, the surname of a family caught Muzan's attention—Tsugikuni.

Muzan: "!!!"

Tsugikuni Yoriichi?!

Tsugikuni Yoriichi!!!

The Tsugikuni Family was a samurai family. Someone from the family had taken part in the war and caught the attention of one of Muzan's demons, only then reminding Muzan about Tsugikuni Yoriichi.

He had been in this world for over a hundred years, and since almost nothing could threaten him, Muzan no longer paid much attention to time. As a result, he had completely forgotten about Tsugikuni Yoriichi, who was supposed to appear roughly a century later.

Honestly, Muzan panicked.

Thinking of the Half-Demon that had never been eliminated and desperately kept making him take the blame, Muzan panicked even more.

No!

Leave immediately!

Find Tsugikuni Yoriichi!

Tamayo followed Muzan, and after several days, the two found the Tsugikuni Family estate.

Standing beside Muzan, Tamayo could clearly sense the intense panic he made no attempt to conceal. Could there really be something in this world capable of threatening the immortal Demon King?

Muzan had no mood to care about Tamayo's doubts and searched everywhere around the Tsugikuni Family estate.

Fortunately, it was still early.

After making inquiries, Muzan confirmed that Yoriichi had only been born a short while ago and was neglected by his father.

It was worth mentioning that, as expected of a "great family," Yoriichi's father, the family head, could be described as cold and heartless. Never mind that he had nearly killed his own biological son.

Even in the original story, the moment he discovered that Yoriichi was stronger, he wanted to replace Kokushibo outright. That alone showed that, to a certain extent, he had unconsciously already treated his sons as tools according to the rotten ideas in his heart.

His sense of self was also far too faint, as though he were a robot devoted entirely to the family.

Muzan found a fairly tall tree near the Tsugikuni Family estate. Standing on it and hiding among the branches and leaves, he observed Yoriichi's situation.

At this moment, Yoriichi was hiding inside the house and secretly watching Kokushibo practice swordsmanship. Noticing his mother approaching, he hurriedly ran out with quick little steps and affectionately held onto her.

Aka no Hana, Yoriichi's mother, stroked Yoriichi's head and smiled gently, standing beneath the eaves with him as they watched Kokushibo practice swordsmanship.

Sweat ran down Kokushibo's forehead. His gaze occasionally darted over, and when he looked at Yoriichi, who was acting like a little tagalong, he felt somewhat displeased.

Muzan felt that Kokushibo might have become a little mentally warped because of his father as well.

Tamayo stood beside Muzan and looked at her boss in confusion.

"Are these two children the ones who frighten you?"

Muzan nodded. "Yes, but not as they are now."

Tamayo: "?"

Did you mean you had seen the future?

Muzan could not be bothered to explain. He left with Tamayo. Yoriichi was only four or five years old now; Muzan refused to believe that this little brat could hurt him at such an age.

Impossible!

Over the next few days, Muzan sent out a clone to keep watch on Yoriichi while he resumed reading at leisure.

For Muzan now, in this boring world, reading was nearly as captivating as reading novels had once been.

Still, he set aside more time to train himself.

According to the deductions from the original story:

∵ Blue Spider Lily's location = Tanjiro's home = where Tsugikuni Yoriichi lived with his wife

∴ Tsugikuni Yoriichi grows up = finds the Blue Spider Lily = Muzan can overcome his weakness = invincible!

For an old fellow who had lived who knew how many centuries, time always passed quickly.

Nearly three years flashed by, and Yoriichi's mother grew weaker and weaker.

Aka no Hana lay alone on the tatami, feeling as though she could sense her life slowly fading away bit by bit.

In a daze, she seemed to see a figure—a stranger's figure.

That figure gave her an ominous feeling. Was a god about to take away her soul?

Was she going to die?

"Do you want to keep living?"

Muzan stood before Aka no Hana, looking down at her. After all, she was Yoriichi's mother. If he could save her, then he would.

Aka no Hana struggled to open her eyes and look at the person before her. "Are you a god?"

Muzan said, "I'm a demon. I can turn you into a demon who will not die."

Perhaps it was the calmness of someone near death, or perhaps she sensed Muzan's goodwill. After hearing that Muzan was a demon, Aka no Hana showed no emotional change.

Instead, she shook her head. "No need. But may I ask you for one thing?"

With the belief that the dying deserved respect, Muzan nodded. "What is it?"

Whether he agreed or not could be decided later. First, he would see what she wanted him to do.

"Please look after my two children. Yoriichi is not loved by his father, but he is a kind child. He should not be treated that way. Kokushibo is under too much pressure. He is too competitive..."

Aka no Hana's voice grew weaker and weaker. Her gaze at Muzan became increasingly clouded, until at last, beneath Muzan's watchful eyes, she gradually fell silent.

Perhaps because the person before her had heard her request, Aka no Hana passed away peacefully.

Faintly, Muzan seemed to hear a barely audible thank-you.

He sighed. In truth, the moment he saw Aka no Hana, he had guessed that aside from worrying about her children, she had no real resistance toward death. There was basically no chance she would want to become a demon.

Just as he had expected.

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