One possibility is that the fanfic could focus on Naruto's initial struggles in his new role. He might face opposition from some in the village who don't think he's ready. For example, some of the older clans might be skeptical. Also, Naruto would have to deal with the political aspects, like managing the village's resources and relations with other villages. He could start new training programs for the younger ninja, inspired by his own journey. And of course, there would be personal challenges, like balancing his family life with Hinata and their kids and his duties as Hokage.
Well, he might implement a policy of more open communication between the different ninja clans. Since Naruto has friends from various clans, he would want to break down any barriers. For example, he could start regular meetings where clan leaders can discuss issues freely, promoting unity in the village.
Sasuke could be a great choice. He has powerful abilities and a complex past. His experience as an avenger and then his redemption arc gives him a lot of depth. He has also learned from Naruto and has a different perspective on leadership. He could bring a more strict and strategic approach to being Hokage compared to Naruto.
He would face political challenges. Some traditionalists in the village might oppose his more progressive ideas. Also, there would be administrative tasks like handling budgets and paperwork, which Naruto has no experience with. Another challenge could be dealing with rogue ninja who might see him as a target to prove themselves.
Well, in a 'naruto the sixth hokage fanfic', it could explore Naruto's relationships in this new role. Maybe it shows how he interacts with his old friends like Sasuke, who might have a role in supporting or challenging him. It could also involve new threats to the village that Naruto has to deal with as the Hokage, and how he uses his unique skills and leadership to overcome them. Additionally, it might delve into the internal politics of the village and how Naruto navigates through them.
Perhaps a powerful and corrupt merchant group could be the antagonists. They are secretly trying to take over the village's economy and resources. They use bribes and blackmail to get their way. The Sixth Hokage discovers their plot and has to stop them without causing too much chaos in the village's economic system. They may also have some ninja mercenaries working for them.
One idea could be that the Sixth Hokage has to deal with a new threat from a long - forgotten clan. This clan has a special jutsu that can disrupt the chakra flow in the village. The Sixth Hokage then has to find a way to counter this jutsu, perhaps by seeking help from an old hermit who knows about ancient chakra techniques.
Naruto's leadership style would be more about friendship and understanding. Unlike some previous Hokages who were more strict and formal, Naruto would be approachable. He'd probably be the kind of Hokage who'd listen to every ninja's problem personally, whether it's a big mission - related issue or a small personal matter.
Perhaps the main antagonist is a spirit or a curse that has been awakened. This curse could be slowly influencing the villagers to turn against Naruto. It could be something that was sealed away long ago and now has broken free due to some mistake or interference. The antagonist could also be a mastermind from another hidden village who is using spies and psychological warfare to undermine Naruto's rule as the Sixth Hokage.