Another interesting plot is if Naruto becomes Orochimaru. He would have to grapple with Orochimaru's thirst for knowledge and power in a different way. Maybe he would use Orochimaru's knowledge to actually help the village instead of causing harm. He could also face challenges from the people who used to be Orochimaru's enemies, like the Third Hokage's old comrades who are now suspicious of this 'new' Orochimaru.
One plot could be that Naruto becomes Sasuke. He would then have to deal with the Uchiha's dark past and his own newfound power. He might struggle with his relationships, like how he now views Sakura as more of a nuisance than before, and his friendship with Kakashi would take a different turn as he tries to hide his true identity.
One possible plot could be that Naruto, as a fox, has to navigate the Hidden Leaf Village in a new form. He might struggle to communicate with his friends at first, but then discovers new ways to convey his thoughts, like through telepathy. Another idea is that he uses his new fox form to explore areas of the forest that were previously off - limits to him as a human. This could lead to him finding ancient secrets or new forms of chakra.
One interesting plot could be Naruto, as a girl, having to deal with different social expectations in the ninja world. For example, she might face more scrutiny or different types of training. Another plot could be her relationships with other characters changing. Sasuke might view her in a new light, and their dynamic could be completely different, full of new tensions and emotions.
One possible plot could be Naruto having to adapt to new goddess - like powers. For example, he might struggle to control the immense power at first and accidentally cause some comical or chaotic situations in the Hidden Leaf Village. Maybe he uses his new powers to help the village in unexpected ways, like creating a new type of jutsu that is only possible with his goddess - like abilities.
When Naruto becomes Hinata, his relationship with Naruto's friends would be complex. He'd be in a female body and have to navigate through the different expectations society has for Hinata. His relationship with Kiba and Shino, Hinata's former teammates, would become more personal as he now shares Hinata's memories and feelings. And his relationship with Naruto's old crush, Sakura, would be a bit awkward as he tries to act like Hinata.
One more great plot could be Naruto being trained by Edward in alchemy. Edward is a brilliant alchemist despite his young age. Naruto, with his eagerness to learn new things, would soak up all the knowledge. He could start creating his own alchemical ninja tools. For example, he could make a kunai that can transmute into different forms depending on the situation. And as he gets better at alchemy, he might start to question his own ninja way. Is it really all that different from alchemy? This internal struggle could add a lot of depth to the fanfiction.
One interesting plot could be Naruto facing new and unexpected challenges as Hokage. For example, a hidden threat from an ancient clan that resurfaces. Another could be Naruto's struggle to balance his family life with his duties as Hokage. He might have to deal with his son's rebellious phase while also handling village affairs.
One interesting plot could be a guy who is magically transformed into a girl and has to navigate the social world from a new perspective. For example, he might struggle with new fashion choices and different social expectations. Another plot could involve a guy who becomes a girl in a virtual reality game and has to complete quests while dealing with in - game characters' reactions to his new form. And there could also be a plot where a guy turns into a girl due to a scientific experiment gone wrong and then tries to find a way to reverse it while also learning about the female experience.
Well, one interesting plot could be Harry struggling to balance his new father duties with his wizarding world responsibilities. Maybe he has to protect his family from a new dark force while also changing diapers.
One possible plot could be that Sakura is in an alternate universe where she has lost her memory and kisses someone else thinking they are her true love. Another could be that she is under a spell which makes her kiss someone else, and then she has to deal with the consequences of that action.
One idea could be that Naruto is hired to protect a young noble from a rival clan. He uses his ninja skills like shadow clones to keep an eye on every possible threat. He also befriends the noble and teaches him some basic self - defense moves.