Well, in a Naruto becomes Menma fanfiction, it could start with Naruto being in a strange dream world where he is Menma. As he experiences life as Menma, he begins to understand different perspectives. Maybe he realizes how his own actions as Naruto could have been different. This could then lead to him bringing back some of Menma's positive traits when he returns to his normal self, like Menma's ability to easily make friends. It would be a story of self - discovery through this strange transformation.
The plot of a Naruto becomes Menma fanfiction might involve Naruto getting cursed by an ancient artifact. As he turns into Menma, his goals and desires change. Instead of aiming to be Hokage right away, he might focus more on enjoying life and having adventures. His relationships with his friends would shift too. His rivalry with Kiba might become more of a friendly competition like Menma would have. And his bond with Hinata could develop in a new and unexpected way, as he approaches her with Menma's charm and confidence.
One possible plot could be that Naruto, through some mysterious jutsu gone wrong, starts to take on aspects of Menma's personality. He might become more laid - back and carefree like Menma. This could lead to some interesting interactions with his friends. For example, Sasuke might be really confused at first, seeing Naruto so different. And Sakura might try to figure out what happened and how to bring the old Naruto back. The story could also explore how Naruto's new - found Menma - like qualities affect his ninja training and his relationships with the villagers.
Well, one possible plot could be that Naruto and Menma initially clash due to their different personalities. Naruto is brash and determined, while Menma might be more laid - back. But as the story progresses, they discover they have a common goal, like protecting their village from a new threat. They then combine their skills, Naruto's Rasengan and Menma's unique jutsu, to defeat the enemy and in the process, become good friends.
Well, Naruto's powers would likely change quite a bit in a Naruto becomes Menma fanfiction. Menma is shown to have a more natural and effortless control over his abilities. So Naruto might find that his Rasengan becomes easier to form and manipulate. Also, his ability to sense danger and opponents might be enhanced in a different way than before. His connection to the natural energy around him could be more in tune with Menma's style, leading to new and different applications of his existing powers.
Perhaps in the fanfiction, Naruto is on a mission in a foreign land and stumbles upon a group of people who are all fans of Lunney. They introduce Naruto to Lunney's art or stories, and he is immediately captivated. This newfound interest could lead him to question some of the traditional ninja values he grew up with. He might then embark on a journey to reconcile his old beliefs with the new perspectives he has gained from Lunney. This internal struggle could be a major part of the story, with Naruto having to face opposition from some of the more conservative ninja in the Leaf Village who don't understand his new passion.
In a 'naruto becomes a witcher fanfiction', Naruto would likely face challenges adapting to the Witcher world. He'd have to get used to the different types of monsters and the way magic works there. His Rasengan could potentially be modified into a Witcher - like power move. He may also encounter difficulties with the Witcher's code and ethics, as he has his own set of values from being a ninja. But in the end, he could become a great Witcher, respected for his unique abilities.
One possible plot for 'naruto becomes a ghost fanfiction' is that Naruto sacrifices himself to save the village. As a ghost, he discovers new abilities like being able to possess people or objects. He uses these powers to protect Konoha from threats that the living ninjas can't handle. He might also have to deal with his own unfulfilled desires and relationships in this new ghostly form.
Maybe Naruto discovers Bakugan during one of his travels outside the Hidden Leaf Village. He could be intrigued by the unique powers and battles of Bakugan. He might start collecting them and use his ninja skills to master the Bakugan battles, making new friends in the Bakugan world who are also impressed by his ninja abilities.
One possibility could be that Naruto is somehow transported to a realm where he meets Thanoso. Maybe he has to learn Thanoso's special abilities to defeat a new, powerful enemy in his own world. He could start training under Thanoso and gradually adopt some of his characteristics in combat.
One possible plot could be that Naruto is somehow cursed or transformed into a succubus. He might initially struggle with his new form, having to deal with new instincts and powers. For example, he could find himself having an unexpected allure that affects his friends and foes alike. He would then have to learn to control these new aspects of himself while still trying to protect the village and his loved ones.
Well, maybe Naruto gets transported to the world of ponies. He could use his ninja skills in a new way there, like using his speed to compete in pony races in a really unexpected way for the ponies.
Well, perhaps Naruto's transformation into the Shadowman is the result of some strange experiment or a curse. He then has to struggle with controlling these new powers while still maintaining his identity as a ninja. He might use his new shadow powers to fight against enemies that are immune to normal ninja techniques, like some powerful dark entities. This would add a whole new dimension to his battles and his role in the Naruto universe.