One idea could be Naruto arriving in New York as part of a ninja exchange program. He might struggle to adapt to the big city life while also having to deal with local villains who are interested in his ninja powers. Another plot could involve Naruto teaming up with local superheroes in New York to fight a common enemy that threatens both the ninja world and New York City.
One possible plot could be Naruto arriving in New York by some mysterious ninja jutsu gone wrong. He then has to navigate the big city while his ninja skills and values are put to the test in this new and strange environment. For example, he might use his shadow clone jutsu to help him multitask in a busy office job he accidentally got into.
One idea could be the new Sannin facing a powerful new enemy that threatens the entire ninja world. They have to combine their unique skills, like one being a master of genjutsu, another of taijutsu, and the last of ninjutsu, to overcome it.
One idea could be a new clan that has the ability to control time in a limited way. For example, they can slow down time for a short period during battles, which gives them an edge. Another idea is a clan that has a special connection with animals, not like the Inuzuka clan, but they can communicate telepathically with all kinds of animals and use their skills in combat or for gathering information. A third idea could be a clan that has mastered a form of chakra that can create illusions so powerful that they seem real even to the Sharingan or Byakugan users.
One idea could be a story about a new type of chakra that is discovered in the new village. This chakra has unique powers that no one has ever seen before. The main character could be a young ninja who is the first to master it, leading to a series of adventures where they have to protect this new power from those who would misuse it.
Maybe Naruto's new hair is the result of a cross - dimensional encounter. He accidentally travels to a parallel world where all the characters have different hair styles. When he returns to his own world, his hair has changed to a style that combines elements from both worlds. This new hair then becomes a link between the two dimensions, and he has to use it to prevent a threat that is spreading across both universes.
One idea could be Naruto being reborn into a different clan, like the Uchiha, and having to deal with the clan's secrets and rivalries from a new perspective. Another could be him starting his ninja training much earlier in this new life, leading to different power developments. Maybe he has a different set of friends or allies in this new life as well.
Another plot could be that Naruto is reincarnated as a new god in a parallel universe where the ninja world has different rules. He has to figure out how to use his new powers in this strange new world while also trying to find a way back to his own universe. There, he could face versions of his old friends and enemies that are very different from what he knew.
One idea could be Naruto traveling to a dimension where all the villains have become heroes. He has to adapt to this new world order and figure out how to get back to his own dimension.
One idea could be Naruto exploring a new form of ninjutsu that he discovers in an ancient scroll. Maybe it's a long - lost technique that gives him the ability to control time on a small scale, like slowing down an enemy's attack.
Perhaps a plot where an old enemy resurfaces in a new form, and the new generation has to figure out their weaknesses. This could lead to intense battles and character development as they struggle to adapt to this new threat.