Perhaps in this fanfic, Naruto leaves Konoha because he wants to protect Sakura in his own way. He believes that his presence in the village is putting her in danger. So he decides to leave and draw the danger away from her. This could lead to a lot of self - discovery for Naruto and also some really emotional moments when Sakura realizes his true intentions.
In the fanfic, Naruto might leave Konoha because of the political situation in the village. He has always been an outsider in a way, being the Jinchuriki. With the Narusaku aspect, Sakura could be the reason he has held on for so long. But when things get too tough politically, he decides to leave. He then tries to build a new life outside the village, all while still having feelings for Sakura and wondering if she misses him too.
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.
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.
In Shikanaru's fanfic, Naruto might leave Konoha because he feels restricted by the village's rules and traditions. He has always been a bit of an outcast, and leaving could be his way of finding true freedom. The story could follow his adventures in different lands, his attempts to build a new life, and his constant internal struggle between missing his old friends in Konoha and his newfound independence.
His relationships with his friends like Sasuke and Kakashi would also be affected. Sasuke might understand Naruto's decision on some level, having also left the village before. Kakashi, on the other hand, would be worried about Naruto. He might try to find him and bring him back. This could create some tension between Naruto and Kakashi as Naruto tries to assert his independence.
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.
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.
In a 'naruto and kushina leaves konoha fanfic', perhaps they leave due to a threat to Naruto's safety that the village can't fully protect against. Maybe some secret organization is after him and they feel they have no choice but to go into hiding outside Konoha.
One possible reason could be for Naruto's safety. Maybe she has to go on a dangerous mission and believes Konoha is the safest place for him. Another reason might be that she is forced by some powerful enemies who threaten Naruto's life if she doesn't leave him in Konoha.