Nezuko's ceaseless evolution

Tamayo's words startled Teiichi slightly.

What do you mean by saying she can retrieve her memories on her own? It's just that there are things more important to her instincts than retrieving her memories.

Teiichi moment, then asked with some doubt:

What does this mean?

"Although you may find it strange, according to my research, Nezuko is indeed in such a state right now!" Tamayo explained.

"Ever since I met Nezuko in Tokyo, I've taken some of Nezuko blood for research. During the research, I discovered that Nezuko's blood is constantly undergoing self-change."

"Constant self-change?" Teiichi frowned slightly, becoming even more confused.

"Well, generally, a demon's blood doesn't change much; changes only occur after their strength increases!" Tamayo patiently explained.

"But Nezuko is different; her blood is constantly changing even if she does nothing!"

Teiichi moment, then looked up and asked somewhat uncertainly:

"You mean Nezuko is actually constantly evolving?"

"Yes! You could say that!" Tamayo nodded gently.

Teiichi glanced at Nezuko gently. Nezuko noticed Teiichi's gaze and quickly looked back, a bright smile spreading across her face.

Looking into Nezuko's pink eyes, Teiichi couldn't help but wonder what Nezuko would evolve into in the future.

WarGreymon?

No, Nezuko is female, she should evolve into Angewomon...

While Dingyi was Teiichi in thought, Kanae interjected:

"Actually, I noticed this during my previous research, but I thought it was a normal phenomenon."

After saying that, Kanae looked at Tamayo and asked:

"You mean you've figured out why?"

"Yes!" Tamayo nodded.

"Indeed, your medical skills are far superior to ours. It's wonderful to have your help!" Kanae smiled.

"No!" Tamayo shook her head. "It's only because I'm a demon that it's easier for me to study demon blood. If you give Kanae and Shinobu-sama enough demon blood, you can do the same."

"Then why does Nezuko's blood keep changing? It's what you just said, what Nezuko instinctively believes is something more important than regaining her memories!" Shinobu said, ending the pleasantries.

Upon hearing this, Tamayo looked at Nezuko again, and her lips parted slightly as she said:

"Actually, even if you hadn't tried exposing Nezuko to the sun before, Nezuko would have evolved the ability to adapt to it on her own after a while!"

Oh, so this is what Tamayo meant by evolution. I thought Nezuko was going to turn into something else entirely. Teiichi looked at Nezuko.

"Then why is that?" Shinobu Kocho continued to ask.

It must be because the residual medicinal effects of the Blue Spider Lily in her body are reacting and merging with her ghost identity... Teiichi to herself.

Tamayo gazed at Nezuko, her eyes gleaming with an unusual light.

"Because Nezuko instinctively kept searching within her own body, searching for a way to defeat Muzan!"

"???"

Teiichi's puzzled gaze shifted back and forth between Tamayo and Nezuko.

I thought it was a chemical reaction that took time, and now you're telling me it's some kind of mystical phenomenon?

Reminded by Tamayo, Kanae's eyes lit up, and she looked at Nezuko with a smile, saying...

"So, the reason our research progressed so quickly later was because Nezuko was helping us?"

Nezuko blinked her big eyes, wondering... did she really do that?

"So, in short, the vial of medicine you have is the one that can turn demons into humans, right?" Teiichi asked. "If you inject Muzan Kibutsuji with it later, will it be the same one?"

Tamayo replied, "This vial of medicine can indeed turn a person into a demon! However, the one we're going to inject Muzan with later is a different kind of medicine!"

"Hmm? Why?" Teiichi asked.

"Did Muzan escape from you a while ago? So you should know, right? Muzan can split his body to escape!" Shinobu Kocho said.

Tamayo Teiichi slightly, and continued, following Shinobu Kocho's lead:

"Muzan used that same technique to escape from Yoriichi Tsugikuni before! So, to prevent this from happening again, we added a property that prevents the body from splitting apart to this potion."

"Furthermore, at the suggestion of Kanae and Lady Shinobu, the property of accelerating physical aging was added!"

"This will effectively prevent Muzan from escaping by splitting his body, and at the same time, it will accelerate Muzan 'Muzan aging, thereby weakening his strength!"

Teiichi nodded, thought for a moment, and said:

Is there a way to slow down Muzan's regenerative abilities?

Compared to Muzan's ability to split and escape, what bothers Teiichi more is Muzan's regenerative ability.

Even after being Red Nichirin Blade, Muzan sign of weakening.

Even if Muzan split and escape, Teiichi will still have to keep slashing at Muzan with his sword until dawn.

This battle sounds like a nightmare!

"Hmm, we can give that a try, but it might not work!" Tamayo said after a moment's thought.

"Hmm, it's okay if it doesn't work!" Teiichi nodded, then said, "Alright, turn Nezuko into a human!"

Tamayo nodded slightly, her slender fingers holding the syringe as she slowly walked to Nezuko's side.

She gently raised her other hand and placed it lightly on Nezuko's head, soothing her back and forth.

"Nezuko, be good. After we inject the medicine here, you can sleep peacefully. When you wake up, everything will be alright."

Nezuko's slightly tense expression gradually relaxed under Tamayo's reassurance.

She nodded slightly, her chest rising and falling gently. She took a deep breath, as if encouraging herself, and then her butterfly-like eyelashes drooped down as she slowly closed her eyes.

Seeing that Nezuko was ready, Tamayo slightly adjusted her posture and slowly reached out her hand holding the injection towards Nezuko's arm.

As the Nezuko, a sudden wave of unease surged within Teiichi.

Since comprehending the Wind Field, Teiichi has occasionally had some inexplicable intuitions.

This intuition isn't as strong as the Ubuyashiki Family's, but it's still enough to easily judge whether something is good or bad.

Even though turning Nezuko into a human was a pre-planned and perfectly normal thing, there's still a strange sense of unease.

As the needle drew ever closer to Nezuko's arm, a growing unease spread through him like water from a lake, and Teiichi's brow furrowed.

Prick!

The needle was inserted into Nezuko's arm.