Chapter 150 The Perfect Demon King Plan

By the time Naruto found Douma, carrying the Flower Pillar's nichirin blade, Douma's body, which had been almost split in half, had already completely healed itself.

Aside from his torn red tight-fitting top, there wasn't a single scar visible.

But he showed no intention of resisting, his hair disheveled, as he looked up at Naruto, who was looking down at him from above, and murmured, "Is this the emotion of fear?"

"I cannot comprehend human emotions. Since childhood, I have never had any emotional fluctuations, nor have I felt joy, anger, sorrow, or happiness. Human emotions are very illusory."

"Even when my mother killed my father, who was obsessed with women, and then committed suicide by taking poison, I still didn't feel a trace of sadness or loneliness. I just wanted ventilation to blow away the smell of blood."

Douma paused his words.

A void, hypocritical smile reappeared at the corner of his mouth.

"Thank you for letting me experience the emotion called fear."

"Tsk."

As night turned to dawn, Naruto's azure eyes were so cold in the dim light. With one swing of his blade, he effortlessly severed Douma's neck.

Not long after.

The dawn light broke, scattering across the land, dispelling the darkness, and shining on Douma, causing him to quickly turn to ash.

Kanae Kochou, supporting her weak body, stumbled to Naruto's side. Looking at Douma, who was turning to dust, she muttered in shock, "Upper Moon Two, one of the Twelve Demon Moons, was actually annihilated like this?"

"This is—unbelievable."

Naruto casually swung the nichirin blade a few times, then handed it to Kanae Kochou, saying, "Here, I'm returning it to you."

"Mm... Ah—Thank... Thank you!"

Kanae Kochou returned the nichirin blade to its sheath, then quickly bowed, sincerely thanking Naruto from the bottom of her heart.

Naruto smiled amiably, "Thank me for what? It was just a small favor."

Killing Douma truly was just a small favor, not tiring at all, and no pressure whatsoever.

"Upper Moon Two is the demon among demons. In his long life, he has eaten and harmed countless humans. Thanks to you, he could be eliminated. I must thank you."

Kanae Kochou clasped her hands in front of her, bowing again, like a gentle and polite Yamato Nadeshiko.

"Alright, thank me if you must."

Naruto didn't stop Kanae Kochou's bow, his attention drawn by the pop-up window in front of him.

Main Quest "Butterfly Dance" Completed

Gained 2000 Experience Points, Gained Flower Breathing x 1, Gained 500 Exchange Tickets

Naruto's gaze interacted with the pop-up, checking Flower Breathing.

Breathing is a general term for the techniques developed by Yoriichi Tsugikuni to fight demons as a human. Its main function is to strengthen cardiopulmonary function, thereby allowing the blood to absorb a large amount of oxygen in a short time, which can greatly increase physical ability in an instant, and thus temporarily possess physical abilities comparable to demons.

Ultimately, it is far inferior to Eight Gates.

In fact, because it extracts the body's potential, ordinary Demon Slayer Corps members who frequently use Breathing often have short lifespans.

Naruto quickly scanned it, only understanding the general idea, not very interested in Breathing.

"A Black Iron-level Underground City, the experience reward for the quest is really small."

"Even if I eliminated all the Twelve Demon Moons and Kibutsuji Muzan, it probably wouldn't provide much experience."

"The most valuable thing in the Demon Slayer world is probably the "Perfect Demon King," right?"

The conditions to become a Perfect Demon King are also very simple.

One is Kibutsuji Muzan's blood.

The other is the Blue Spider Lily.

Naruto thought carefully. Becoming a Perfect Demon King using Kibutsuji Muzan's blood was not reliable, because with Kibutsuji Muzan's immortal body, his blood was essentially Muzan's cells, possessing Kibutsuji Muzan's consciousness.

In the final battle of the original work, Kibutsuji Muzan was forced into a corner and transformed into a "giant baby," "swallowing" Tanjiro into his body and injecting all his blood, turning Tanjiro into a Perfect Demon King. However, the will of Muzan's cells still influenced Demon King Tanjiro.

"Without Kibutsuji Muzan's blood, the formula that turned Kibutsuji Muzan into a demon would also work."

"However, Kibutsuji Muzan became the first demon by taking a medicine when he was suffering from a terminal illness, so he doesn't know if the formula alone can turn someone into a Demon King, or if it was Kibutsuji Muzan's terminal illness combined with the medicine that turned him into a demon."

Naruto thought about it and felt that it was most likely a combination of the terminal illness and the medicine, along with a stroke of luck and an extremely low probability, that gave birth to an unprecedented demon like Kibutsuji Muzan.

"First, I'll capture Kibutsuji Muzan."

"As for how to become a Perfect Demon King, that can be decided later."

As soon as Naruto withdrew his thoughts, he heard an anxious and worried cry from not far away.

"Sister!"

"Sister!!"

A bright young girl in a Demon Slayer Corps uniform climbed over the wall and quickly rushed towards Kanae Kochou.

Her appearance was a bit more youthful than Kanae Kochou's, but equally beautiful, and somewhat similar. It was indeed the future Insect Pillar, Shinobu Kochou.

"Sister, are—are you alright?"

Shinobu Kochou nervously and worriedly grabbed Kanae Kochou's hands, then circled her sister, looking her over from head to toe.

"Shinobu, I'm fine. I just used up a lot of energy."

"It's alright, it's alright, I'm fine."

Kanae Kochou let her sister examine her, speaking gently and with a hint of helplessness.

"Benefactor, please excuse her."

Kanae Kochou smiled apologetically at Naruto.

"Alright, quickly come and thank the benefactor who saved your sister's life. His name is—"

"Uzumaki Naruto."

"Uzumaki... Naruto—"

Shinobu Kochou curiously sized up Naruto, who seemed to be about her age.

In reality, Naruto was younger than Shinobu Kochou at this time, but his height already exceeded that of his twelve-year-old peers.

"He's the one who defeated Upper Moon Two, Shinobu! You mustn't be rude!"

Kanae Kochou pressed Shinobu Kochou's head, making her bow and thank Naruto.

"Twelve Demon Moons, and the second-ranked Upper Moon demon!?"

Shinobu Kochou looked up in shock, her small hands grasping one of Naruto's, her bright purple eyes sparkling with youthful curiosity and admiration.

Kanae Kochou said with a smile, "Don't look at Shinobu like this now. Actually, she's usually very serious and earnest, rarely smiles, and has a straightforward personality.

She looks like a little adult."

"Sister!"

Shinobu Kochou puffed out her cheeks, then put a clenched fist to her mouth and cleared her throat, her expression becoming serious.

"In any case, I am incredibly grateful that you saved my sister and killed the Upper Moon Two demon."

Naruto said indifferently, "It was just a small favor."

Thinking of Naruto's mysteriousness and power, Kanae Kochou had a thought and gently asked, "Naruto, would you like to join the Demon Slayer Corps and eradicate the other Twelve Demon Moons, and even that guy?"

That guy.

The taboo existence Kanae Kochou was unwilling to mention was, of course, the Demon King Kibutsuji Muzan!