Konoha: The inherently evil Uchiha.

"Naruto, if you still consider me your brother, don't interfere with my actions from now on!"

Sasuke stared at Naruto seriously.

The latter's expression froze.

Naruto fell into deep thought. He rarely saw such a serious expression on Sasuke's face. Usually he would show disdain and arrogance towards him at most.

"You just... said brother..."

Naruto groaned.

Sasuke frowned, he knew that Naruto was going to become even more troublesome next.

"Since you also know that we are brothers!" Naruto said excitedly, "Then you should let me help you even more!"

Sasuke's words just now obviously gave Naruto a boost, but did not have any calming effect.

Naruto has wanted to gain Sasuke's approval since he was a child.

The word "brother" just now.

It simply softened Naruto's heart, but after softening, Naruto felt that he had an important position in Sasuke's heart.

Therefore, Naruto made the wrong choice and became more and more demanding, wanting to have a good argument with Sasuke.

Taking a deep breath, Sasuke looked at Naruto who was looking at him affectionately. He also looked at him affectionately, then reached out and pressed Naruto's shoulder:

"I can empathize with your emotions, but, Naruto, this is about me opening the Mangekyō Sharingan. If I can't improve my eye technique, even if I have the Rinnegan, I won't be able to bring out its value.

This is the only way I can improve.

Naruto, you can understand!
If we can't improve, how can we help our father in the future?"

Under a series of verbal attacks.

Naruto was excited and agitated at first, but eventually he slowly became dispirited.

Indeed, this was Sasuke's private matter. He could only watch from the sidelines and could not intervene.

"I...I get it." Naruto sighed, "But I can't let anything happen to you!!"

"If you want to follow me, then go ahead. Just don't alert the enemy or hold me back."

Sasuke took a deep breath, adjusted his inner bottom line, and then glanced at Naruto and the surroundings in front of him, "If I can't complete my revenge because of you, we will no longer be teammates in the future."

Sasuke couldn't say the word "enemy", but he believed that his teammates could understand.

"We?" Naruto asked puzzled.

"Ahaha!" Kakashi's voice came from behind Naruto, and then, Naruto smelled a fragrance, which was the familiar smell of Sakura.

Naruto turned back suddenly.

Sakura smiled and raised her hand in greeting, "I'm the one who asked for Kakashi-sensei. After all, we're all worried about you, Sasuke."

Sasuke's nose suddenly felt sore, and he looked away from the three people and stared at the ground:
"Anyway, you can't hold me back!"

"Hehehe!" Naruto laughed and slapped Sasuke on the back: "You kid, you really don't know how lucky you are. Don't worry, we know what to do."

"Well, we won't hold you back!"

Sakura vowed.

Naruto suddenly sighed: "That's great. If something happens to me, it would be even better if everyone could help me so attentively!"

Sakura rolled her eyes at Naruto, "We care about you just as much if anything happens to you!"

Kakashi reached out and patted Naruto's shoulder, narrowed his eyes and smiled, "Team Seven, let's go!"

When they were leaving the fortress on the elevator, they happened to meet Gai. Kakashi wanted to pretend that he didn't see Gai, but Gai suddenly appeared on Kakashi's side from another elevator.

"Kakashi, have you received another mission?" Kai asked curiously.

Since peace has been restored in the ninja world, there are not many missions for them to take.

The ninja employment model in the ninja world has begun to shift to a ninja part-time job model.

The well-known ninjas in the major ninja areas now either work in factories or do jobs that suit them. In short, as the missions are decreasing, the ninja world is no longer like before where one can make a living by fighting and killing.

Kakashi shook his head and said:

"It's not a mission, just an outing. Our class hasn't gone out together for a long time."

Kai frowned, "Kakashi, don't forget to inform me if there is a mission!"

Kakashi looked at Kai in surprise: "Why did you come to the fortress?"

Kai sighed and said, "No one could have imagined that life would be so difficult after peace. I came here to lead them in finding jobs."

Kakashi glanced in the direction of the ninja village.

His eyes fell on the Hokage Building.

After he pondered for a moment, he said, "Don't worry, this is only temporary. When the ninja world enters true peace, life will change a lot."

"Yeah, I know that." Kai shrugged and said, "We are just bored these days and want to find something to do."

"Why don't you leave? We are on a downward elevator!" Kakashi began to drive people away.

Hearing this, Kai exclaimed, "Oh no, I almost forgot. That's it, Kakashi, see you when I get back!"

After saying that, he left in an instant again and jumped from high in the sky towards a lifting platform, scaring a bunch of female ninjas on it.

"what--"

"Why did someone suddenly jump up out of nowhere?"

"I'm going to complain to the Ninja Village!"

Kai had no choice but to smile and apologize to everyone.

Kakashi shrugged and fell into deep thought. He was indeed thinking seriously about what he should do after the ninja world ushered in true peace.

Sakura seemed to see through Kakashi's thoughts and asked with a smile: "Teacher, what do you want to do in the future? I mean work!"

Naruto suddenly interrupted, "I want to be Hokage!!"

"..." Kakashi looked at Naruto helplessly: "Becoming a Hokage is a great dream, but Naruto, you still lack a lot of qualities to be a Hokage, you have to keep working hard!"

"Oh." Naruto slumped down: "But I don't know how I should improve myself."

"Read more books!" Sasuke said calmly.

"Yes, read more books and study more." Kakashi said with a narrowed smile, and then replied to Sakura: "As for me, I may become a teacher in the ninja school in the future."

After that, Kakashi suddenly had a better idea and said seriously: "It should be very popular to open a gym with Kai!"

"Teacher Kakashi, you really like reading novels!" Sakura widened her eyes and asked curiously, "Aren't you going to write? After the peace in the ninja world, people should have a huge market for spiritual comfort."

Kakashi quickly shook his head: "Being a reader and being an author are two completely different things!"

Suddenly, Kakashi, Sakura and Naruto all looked at Sasuke.

Sakura smiled and asked, "Sasuke, what about you?"

“What are you going to do in the future?”

Sasuke fell into deep thought.

After a long while, as the lift platform landed, he shook his head and said, "I don't know what I'm going to do in the future, but right now, I just want to kill that man!"

……

Konoha.

Hidden Rock Area.

Entrance to the dungeon.

Tsunade, Shizune, and a group of Konoha's top leaders were taking a high-speed elevator and falling deep underground.

The feeling of weightlessness brought by the high-speed elevator is not a problem in front of these top ninja masters.

However, even though a large number of electric lights have been installed outside the underground city, they are still like fireflies in the dark night and cannot dispel people’s fear of the darkness.

"..."

Tsunade looked at the deep darkness ahead and felt deeply moved. Apart from the Iwagakure district, no other ninja district, even if the rest of the ninja districts were united, could build such a huge city underground.

As so many years have passed.

The underground fortress beneath the Land of Fire has been built. Over the years, almost all of the ninja village's funds have been used to develop this place.

“It’s truly a miracle!!”

Chiyo looked around.

Although this was not her first time visiting here, every time she came, she felt that such a project could only be built by gods.

"..." The Raikage sighed: "This is indeed more difficult than making a chakra cannon!"

Before everyone's eyes, the tip of the iceberg of the underground castle emerged. Its outer shell was completely sealed, and the connection between the outside and the surface was an extremely solid supporting wall.

These supporting walls are all made of the toughest metal forged in the ninja world today.

Therefore, it can withstand the heavy pressure from the surface, allowing the Iwagakure ninjas to dig underground with confidence.

The scale of this underground city is hundreds of times larger than the royal fortress suspended in the sky!
"Hello, Lord Hokage, all the Lord Kages, hello!" In front of the extremely closed entrance to the dungeon, a graceful figure in a burgundy cheongsam and two Iwagakure ninjas were obviously waiting here for a long time.

"Kurotsuchi!" Tsunade used the dim light to see the other person's appearance clearly.

Heitu has grown up, with a pretty face, fair skin and a pair of straight long legs that are particularly eye-catching even in the dark, and she is graceful.

"You have been in charge of the affairs here for Huang Tu all these years. You have worked hard here!"

Tsunade sighed.

You know, Heitu is still young, and these years are the best years of her youth.

It was somewhat unfair for her to just waste her time here.

Kurotsuchi smiled brightly:

"Sir, this is my own choice. No one forced me. Moreover, I am not doing anything meaningless. Whether it will be useful here in the future or not, my name will always be passed down in the ninja world."

Tsunade nodded gratifiedly.

"My Lords, please!" Kurotsuchi introduced with a smile: "The underground city has been completely completed and can be opened for use directly. This Konoha underground city can accommodate the entire Konoha Ninja District's human population, and even half of the Fire Country's human population. It is not a problem."

"Can all ecological environments form a closed loop here?" Mei Terumi asked curiously.

They in the Hidden Mist District have also recently been developing a giant underwater submarine called the 'Ark'. If the underground city's ecological closed-loop technology can be applied to the 'Ark', it can save a lot of trouble.

"Of course, Mizukage-sama!" Kurotsuchi explained with a smile, "Under the simulated sunlight and temperature formed by the chakra metal, the ecological environment of the underground city can reach 100% the level of the surface. Plants can grow here, and animals can grow here. As for the water source, there are multiple sets of perfect circulation system equipment. Half of the residents of the Fire Country can survive underground for hundreds, thousands, or even tens of thousands of years. As long as these systems are properly maintained, there will be no problem."

Mei Terumi nodded thoughtfully.

As they were talking, they had already walked through the highly sealed passage and arrived inside the underground city.

Walk out of the already bright passage.

Everyone came to the guardrail at the end of the passage and looked ahead. There was blue sky and white clouds, and the sky was clear. When the warm breeze blew across their faces, they felt as if they had returned to the surface, and there was not a trace of impurities in the air.

Of course, when they looked at the clearly layered core building, they were shocked again.

The building is built based on the terrain and is divided into countless layers, stacked on top of each other, standing at the center of the earth with the most solid structure.

"The blue sky and white clouds are simulated scenes, while the sunlight is transformed by energy."

Black Earth explained:
"As long as there is enough energy, the underground city can be in daylight forever. Of course, humans have adapted to the alternation of night and day. The selection in our genes does not allow us to make such a change."

Tsunade nodded slowly.

They could already see that the workers who had previously developed the underground city had already moved in and become the first residents here.

As for the captives who were captured to build the dungeon, they had long been transferred to other places to build new dungeons.

Tsunade nodded heavily, then looked at Kurotsuchi and asked, "With the experience gained from building the first dungeon, what is the shortest time that can be spent on building the other dungeons?"

Kurotsuchi thought seriously and said, "If we build it with all our strength, we can successfully build an underground city half the size of Konoha's underground city in half a year!"

Tsunade's eyes lit up and she exclaimed, "Good, very good. With so many people in the entire ninja world, one Konoha underground city is naturally not enough. The next goal of the ninja village is to fully develop the underground city!"

Kurotsuchi's eyes widened.

Obviously, she had already guessed why the ninja world spent so much effort to develop the underground.

Tsunade stared at Kurotsuchi:

"Are you willing to continue to coordinate this project?"

Compared to others.

Kurotsuchi, who has followed the development of Konoha Dungeon throughout its entire history, is naturally more suitable to take over this huge project.

After all, this project may seem huge, but when it is broken down, it is just different dungeons one after another.

"This time, you don't have to go underground all the time. You just need to stand in the open and take charge of this matter!"

Tsunade explained.

Heitu said seriously: "I do!"

"Very good!" Tsunade reached out and patted Kurotsuchi's shoulder, "The Ninja Village will give you the greatest support!"

...

...

Two months later.

Ninja world.

The country of ghosts.

A small country located in the northwest of Konoha, the terrain here is mainly mountains and swamps, among which the main one is a dilapidated and desolate mountain range with a strange atmosphere.

Although this place is called a country.

However, the mountains are filled with miasma and ordinary people cannot enter them at all. Most of the residents live in the small town at the foot of the mountain.

"Yu, you can actually catch so many prey from the mountains again!" The young man chased a man in a black robe. Looking at the pheasants and hares in the man's hands, he envied, "You are really amazing!"

The man called Yu had black hair that fell on his shoulders and a face full of vicissitudes, especially the nasolabial lines on both sides of his nose, which made him look old.

This was Uchiha Itachi, who was abandoned several times by Obito and lost his eyes.

He raised the corner of his mouth slightly and handed a hare in his hand to the boy, "Good luck."

"Yu, you are so nice!" the young man said excitedly, "My mother likes you very much. If you are willing, you can actually marry my mother. I will be your child in the future. Anyway, you are also blind, so you should not mind that my mother is a few years older than you!" (End of this chapter)