Sasuke might be conflicted. He has his own complex relationship with Naruto. Part of him might understand Naruto's reasons for leaving, but he could also be angry that Naruto didn't confide in him. Sakura would be worried sick. She has always cared about Naruto, and his leaving would leave a big hole in the team. Kakashi, on the other hand, would be disappointed but also respect Naruto's decision if he thought it was for a noble cause.
In one possibility, Naruto might leave the Leaf due to a misunderstanding. For example, if the villagers continue to show distrust towards him despite his efforts. He could set out on a journey to find a place where he truly belongs. Maybe he meets some new allies on his way, people who understand him without any prejudice.
In some fanfiction, Naruto's betrayal of the Leaf can seem plausible. It might be due to a misunderstanding, like the village turning against him despite his years of service. For example, if the village leaders suspect him of a crime he didn't commit, he could feel pushed to the edge. However, in the original Naruto series, his loyalty to the Leaf is a core part of his character.
It could be because of the way the Leaf treated his family. Maybe in the fanfiction, new revelations come to light about how the Leaf was involved in some negative things regarding his parents. So Naruto, out of anger and disappointment, hates the Leaf.
Well, in 'naruto demon of the leaf fanfiction', it could involve a unique plot where the demon has a special connection to the Leaf. Maybe it's a demon that was sealed long ago and now its power is starting to surface, causing chaos in the village. And Naruto, being the main character, might be the one to either stop it or understand it. There could also be elements of mystery, like the origin of the demon and what its true intentions are. It could also be about a demon that is somehow related to the history or secrets of the Leaf Village.
Well, 'naruto of the red leaf fanfiction' could potentially be a story that takes Naruto out of his normal Konoha setting and into a world where the red leaf has some sort of significance. Maybe it's a place filled with red - leafed trees and Naruto has to face new challenges there. It could also be that the red leaf is part of a prophecy or a key to unlocking a new form for Naruto.
In this type of fanfiction, Naruto leaving Team 7 can be a very emotional and plot - twisting scenario. It might lead to Hinata stepping up to support Naruto in different ways. For example, she could be the one to convince him to come back to the team eventually. Also, this situation can explore the deeper feelings between Naruto and Hinata as they are forced to deal with the change in their dynamic.
One possibility is that Naruto is on a quest for self - discovery. Leaving the village to find the Sage gives him a chance to be away from the familiar and face new challenges alone. He might encounter different types of enemies and allies during this journey. This could also be a way for him to prove himself not just to the village but also to himself. He wants to show that he can grow and become stronger without always relying on the village's resources.