The traditionalist elders might oppose Naruto. They are used to the old ways of running Konoha and may see Naruto's takeover as a threat to their power and influence.
There could be shinobi who oppose Naruto simply because they don't trust his leadership abilities. They might think that he's too young or inexperienced, despite all his achievements. They may also be influenced by rumors or misinformation spread by those who don't want Naruto in power. These shinobi could form a resistance against Naruto within Konoha.
Some of the powerful ninja clans could oppose Naruto. For example, the Hyuga clan might be worried about how Naruto's rule will affect their position in the village. They may fear that he'll try to change their traditional practices or redistribute their power. Also, some ninja who are loyal to the previous regime may oppose him because they believe that Naruto is overstepping his boundaries.
Definitely Sasuke. Their bond is such that Sasuke would not stand by and let Naruto destroy Konoha. He has his own reasons to protect the village now. Shikamaru is also a likely candidate. He's intelligent and would quickly figure out that Naruto's actions are wrong. He would use his strategic mind to try and stop Naruto. And Hinata, who loves Naruto deeply, would oppose him in the hopes of bringing him back to his senses.
Well, in such a fanfiction, Naruto might take over Konoha to reform it. Maybe he's tired of the old ways and wants to make it more inclusive and fair for all ninjas, regardless of their background.
Well, in some fanfictions, Naruto might outsmart Konoha by using his unique knowledge of the village's secrets that others don't know. For example, he could use his understanding of the old tunnels under Konoha to his advantage in a situation where he needs to escape or gain an upper hand in a conflict.
One possible consequence could be that Naruto grows up away from the influence of Konoha's shinobi culture. He might develop a different set of values and skills. For example, without the guidance of Iruka and Kakashi, his understanding of ninjutsu and teamwork could be very different. Also, his relationships with characters like Sasuke and Sakura would be greatly affected. Maybe he wouldn't have the same rivalry with Sasuke, and his bond with Sakura might not even form.
One possible reason could be fear. Naruto has the Nine - Tails within him, and some in Konoha might be too afraid of its power getting out of control. They may not fully trust Naruto to keep it in check.
Naruto might forgive Konoha because he realizes that holding a grudge won't solve anything. He has seen the destruction that hatred can cause, like during the Pain arc. So, he chooses to forgive in order to move forward and bring about positive change. Another reason could be his respect for the previous Hokages and their ideals for Konoha.
A 'naruto takes revenge on konoha fanfic' might involve Naruto feeling betrayed by Konoha. Maybe he was wrongly accused of a crime he didn't commit. As a result, he teams up with some of his old enemies who also have grudges against Konoha. Together, they plan a large - scale attack on Konoha. Naruto, with his newfound power and allies, aims to topple the current regime in Konoha and establish a new order where justice is truly served.
One popular theme is the daily life in Konoha. It could be about the characters going about their normal days, training, having fun at the local shops, or just hanging out with friends. Another theme is about Konoha during a war or a major threat. How the village prepares, the strategies they come up with, and how the characters, especially Naruto, contribute to the defense. And then there's the theme of Konoha's past. Stories that explore the history of the village, the founders, and how things have changed over time.
Another reason could be that he witnesses corruption or unfairness within the village leadership. If he sees that the system is rigged against certain groups, including himself or his friends, he could grow to hate Konoha and decide to leave.
One possible reason could be that Naruto discovers some dark secrets about the village leadership that go against his values. For example, if he finds out that they have been using underhanded means to maintain power.