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Six months later...
In "Naruto" and "Boruto: The Movie", ninjas and civilians use electricity in their daily lives. Unfortunately, in this era, there is no electricity. It seems that peace fosters human progress while war stunts it.
Setsuna has vowed to modernize this era. There are several benefits to bringing about a modern era. For instance, social media could dampen political strife within the villages. Those who wish to wage war would be criticized by their own people.
Two months ago, he introduced electricity, attracting investment from many. Unlike the pitch-black nights of the past, the bright lights were welcomed by most, especially by those returning from missions late at night.
Following this, he invented the flashlight, table fan, and radio. Since technological knowledge is limited here, he had to introduce simpler technologies first. If he were to introduce smartphones immediately, who would code and maintain the servers?
That's a minor issue; he could simply ask Jarvis. But there's another problem: the locals are just beginning to learn calculus and algebra. There is so much they need to understand before he can introduce more advanced technologies.
Furthermore, his research combines science and Fuinjutsu. After a few months, his radios, cameras, and table fans became popular, purchased for dowries, gifts, and comfort.
Fuinjutsu is terrifyingly powerful...
As a master of Fuinjutsu, he discovered why many clans fear the Uzumaki—Fuinjutsu, like rune magic, can store chakra and items, and open portals. Didn't Minato use Hiraishin, relying on Fuinjutsu?
The more he devoted time to developing Fuinjutsu or sealing jutsu, the more he managed to change the language from Kanji to English. He has also advanced sealing jutsu to a new level, proving that seals are not exclusive to the Japanese language; they can be activated in any language.
The frightening part is, he experimented with calculus, and the results were extraordinary. With mathematics and science, he could create something akin to modern weapons. He even attempted something unprecedented—creating a rocket using solely Fuinjutsu.
Imagine if Tony Stark could use sealing jutsu? His Iron Man armor would be significantly stronger, and even Thanos could be defeated by it.
"Jarvis, what is the success rate of this rocket escaping Earth's orbit?" Setsuna asked.
"According to the data and analytics, the initial seal you engraved will produce a very strong wind, followed by a high flame that will propel the rocket and enable it to escape Earth. The success rate is 95%, but we need to conduct a test to confirm this," replied Jarvis.
"Can it be improved to 100%?" Setsuna asked.
"I'm sorry, but there are various factors, such as wind, that reduce the success rate. Since this is the first attempt, we need to collect real-world data, but I believe it can be improved to 99%," said Jarvis.
This illustrates a limitation of Artificial Intelligence: while it can calculate and make suggestions, its data is not always 100% accurate. Real tests must be conducted and data must be collected for further improvement.
1 Week Later...
"Setsuna, what do you want to sell this time?" asked Uzukage. Usually, when Setsuna comes, he always introduces new things like flashlights and radios. At first, he was reluctant, but then, when the products started to hit the market, Uzushiogakure became richer than before. In just about 6 months, Setsuna has become the richest man in this village.
Luckily, even though Setsuna is rich, he never abandons the weak, such as orphans and civilians. He offers jobs to adults and provides shelter for orphans.
Not stopping there, he even teaches a few civilians about his secret projects.
No wonder he is one of the founders of Konoha. Stupid Tobirama—his ego is blocking the success of Konoha.
Lucky for us and a loss for them, Setsuna has transformed this village to another level. According to Setsuna, he could do the same for Konoha, but unfortunately, the Senju always block his ideas.
"Father-in-law, I want to invite you old coots to join another great human adventure," said Setsuna.
'Old coot?' Uzukage and several elders felt a twitch in their lips. 'This Setsuna has become braver than before. When he was new here, he didn't dare to speak informally, but this time, not only does he speak informally, but he also loves to tease the elders.
"Hmm," sighed Uzukage.
"What is it this time? A phone? A computer?" asked Uzukage, knowing Setsuna well because Setsuna had told him about his next great invention.
"No, it's more amazing than before," said Setsuna.
"Hmm, interesting," smiled Uzukage. "Can you tell me?"
"It's a satellite," smiled Setsuna.
"What is that, a satellite?" The elders suddenly became confused.