Perhaps Naruto leaves because he wants his child to grow up away from the pressures and expectations that come with being in Konoha. He might feel that the outside world can offer a more peaceful and normal upbringing for his family.
Well, perhaps Naruto could be framed for a crime in Konoha and then be forced to leave as an assassin. He might start working for an enemy village at first, but then gradually realizes that there's a deeper conspiracy behind his framing. So he decides to clear his name and also protect Konoha in the end.
Well, it could be that Naruto, with his godlike powers, leaves Konoha because he feels misunderstood. Maybe the villagers still fear his power despite all he has done for them.
In this fanfiction, perhaps Naruto leaves Konoha because he's being framed for something he didn't do. As he flees, he encounters Temari. Temari, being a strong - willed character, might be intrigued by Naruto's situation. She decides to help him clear his name. During this process, they travel to different places, learn about each other's pasts and dreams, and their relationship evolves from distrust to mutual respect and then to a deeper connection.
Well, perhaps Naruto is neglected in Konoha because of his past or the way he behaves. He leaves and stumbles upon a hidden village that has different values. There, he is welcomed and trained further. As he grows stronger, Konoha realizes their mistake. Naruto has to decide whether to forgive Konoha and return or stay in his new - found home where he is respected.
One possible plot reason could be discrimination. In the Naruto world, there are often biases against those with different abilities or appearances. If Fem Naruto is constantly facing unfair treatment in Konoha due to her being a female version of Naruto, she might decide to leave. For example, she may not be given the same opportunities as male ninjas in training or missions. Another reason could be a search for identity. Maybe she feels that she can't truly be herself in Konoha and needs to go on a journey to discover who she really is away from the village that has so many expectations of her.
In this fanfiction scenario, Naruto could leave Konoha due to some sort of misunderstanding. Maybe the people of Konoha in the Fairy Tail world suspect him of being too dangerous with his unique abilities. So, he leaves to prove himself elsewhere, perhaps by joining a different guild or team in the Fairy Tail world that is more accepting of his different nature.
Another reason could be related to a secret mission. In some fanfictions, Naruto might be given a top - secret mission that requires him to leave Konoha undercover as an 'assassin'. This mission could be something that only he can do, perhaps related to protecting the village from a powerful hidden enemy. So, he has to leave and take on this dangerous role away from the prying eyes of the villagers.
In a 'Naruto Namikaze leaves Konoha' fanfic, it could be that Naruto is framed for a crime he didn't commit. The villagers turn against him, and even his friends start to doubt him. Feeling betrayed and alone, he decides to leave Konoha. As he travels, he meets other outcasts who have also been wrongly accused, and together they form a group to clear their names and seek justice.
One possible plot could be that Naruto leaves Konoha due to some misunderstanding. Maybe he feels unappreciated in his relationship with Sakura (Narusaku). He might go on a journey to find himself. Along the way, he could encounter new enemies and also make new friends who help him see things from a different perspective.
Another reason could be that he witnesses corruption or unfairness within the village leadership. If he sees that the system is rigged against certain groups, including himself or his friends, he could grow to hate Konoha and decide to leave.