The story might have the dead man returning to save someone he cared about or to prevent a great evil. Maybe his presence causes chaos and challenges societal norms. It's all up to the author's imagination!
Maybe there would be a power struggle in the village. With Naruto gone, some might see it as an opportunity to gain more influence. Also, there could be a plot where Naruto's son or a young protege tries to fill his shoes and face the challenges that come with it, like trying to gain the respect of the village in the same way Naruto did.
There may be a new antagonist. It could be a devil with a really powerful and strange ability.
Well, in this kind of fanfiction, it could lead to Carl having a near - death experience that changes his perspective. Maybe he has some sort of vision during his time on the brink of death. Or perhaps his father, Rick, makes some rash decisions in his desperation to save Carl, which then affects the whole group's future plans and safety.
Perhaps the man continues with his daily activities as if he's still alive. He might try to interact with his family or friends, but they don't respond in the way he expects. For example, they might not see him or seem to be ignoring him, which he doesn't understand at first.
One possible plot development could be that Snape's claim over Hermione creates a great deal of conflict within the wizarding world. The Order of the Phoenix might see it as a threat or a strange alliance. Hermione herself could initially resist but then start to understand Snape's motives, which could be related to protecting her from a greater danger.
In this fanfiction, Itachi might also train Naruto in the ways of the Sharingan. Even though Naruto doesn't have the Sharingan naturally, Itachi could find ways to make Naruto understand the principles behind it, like how to read an opponent's movements more accurately. This could lead to Naruto having an edge in battles against opponents who rely on speed and deception.
Well, initially, the man might be in a state of shock and confusion upon finding himself alone on the island. Then, if there's a gay theme, he could start to have memories or thoughts about his past relationships or his unfulfilled desires. As time passes, he might encounter another man on the island, perhaps someone who was also stranded. At first, they could be cautious around each other, but gradually, as they work together to build a shelter or find food, they start to develop a bond. This bond could turn into a romantic or sexual attraction. They might face challenges from the natural environment, like storms or wild animals, all while their relationship deepens.
It could also be that the sister, in an attempt to help Naruto, gets involved with some dangerous characters or situations. Maybe she tries to find someone powerful to plead Naruto's case, but that person has some ulterior motives. This would add a lot of twists and turns to the story, as Naruto then has to not only deal with his own problems but also save his sister from the trouble she has gotten into while trying to help him.
In this fanfic, a plot development could be that Mikoto arranges for Naruto to have more interactions with the Uchiha clan members. This could lead to Naruto learning about the Sharingan in a different way than in the original story. Also, Mikoto might be involved in Naruto's training to become a Hokage. She could teach him about leadership from an Uchiha perspective. Additionally, she could be the one to reveal some secrets about Naruto's parents that were previously unknown, which could change the course of his journey.
It could also be that Dolohov's desire for Hermione causes a rift among the Death Eaters. Some might see it as a distraction or a sign of weakness. This internal conflict within the Death Eaters could then be exploited by Hermione and her allies to their advantage in the fight against the dark side.