Obviously Naruto would still be one of the main characters. He played a huge part in the Fourth War and his influence would still be felt strongly in the post - war world. Sasuke would also be a main character as he was a key figure in the war as well. And Sakura, who has grown into a strong kunoichi, would also be important in the story.
In such a fanfiction, Naruto might feel extremely betrayed. He's just saved the village in the Fourth War, and being banished would shatter his trust in the village. Maybe he would go on a journey to find his true place in the world, away from the Hidden Leaf.
Another reason could be political. After the war, the power dynamics in the village might have changed. There could be new leaders or groups who saw Naruto as a threat to their authority. They might have plotted to make him look bad and turn the villagers against him, causing him to feel betrayed by the very people he fought for.
It could be some of the traditionalist elders in the Hidden Leaf. They might see Naruto as a threat even after the war, fearing his growing power and influence, and thus engineer his banishment. So they could act as antagonists as Naruto tries to find his place outside the village.
In 'naruto after 4th war fanfic', a really cool plot development could be the integration of the tailed beasts into normal society. Since the war is over, the tailed beasts are no longer seen as just weapons. They might start to live among the humans, and some ninja could even form bonds with them outside of being jinchuriki. This would completely change the power dynamics and social structure of the ninja world. Also, there could be a plot where Naruto uses his new - found influence after the war to create a more unified ninja world, where villages share resources and knowledge more freely.
He would probably be heartbroken at first. Naruto has always been someone who values his bonds with others. Being betrayed by the village he loves would be a huge blow. He might isolate himself for a while, trying to figure out what went wrong.
In a fanfiction scenario where Naruto starts the 4th Shinobi War, it would completely change the whole Naruto universe's narrative. Naruto is known for his desire for peace, so if he starts the war, it might be due to some extreme manipulation or a misunderstanding of the situation. For example, he could be tricked by an enemy who has disguised themselves as an ally and convinced Naruto that starting the war is the only way to protect the Leaf Village. This would lead to a situation where all his friends and comrades would be forced to either oppose him or be dragged into a war they didn't want.
The main novels after the 20th century, especially after World War I:
1 William F Scott: Born on January 15, 1903 in the United States of America. He is the most outstanding person in the United States and is considered the founder of modern American literature. His works included The Sound and the Fury, Glory, and The Dark Lord.
2 James Thuber: Born in Pennsylvania, USA in 1890, he is the most outstanding short story writer in the United States and is known as the "father of modern short stories". His works included The Gilded Age and One Man's War.
3. Harland Myers: Born in 1899 in the United States of America, he is the most outstanding short story writer in the United States. His works include "A Farewell to Arms" and "The Sun Also Rises".
Margaret Atwood (Margaret Atwood): Born in California, USA in 1918, she is the most outstanding female novelist in the United States and is known as the "mother of modern American novels." Her works were Gone with the Wind and Wild Rose.
5. Hugo van Gogh: Born in 1853 in belgium, he is the most outstanding novelist in France. His works include "Miserables" and "Notre-Dame de Paris".
George Orwell: Born in England in 1918, he is the most outstanding novelist in the UK. His works include 1984 and Animal Farm.
William F. Scott: Born on January 15, 1903 in the United States of America. His works include The Sound and the Fury, Glory, and The Dark Lord.
8. Calvino (Carlene): Born in Italy in 1954. He is the most outstanding Italian novelist. His works include Forever Friends and Lonely People.
One great 'Naruto 4th War Kid' fanfiction is 'The Young Shinobi in the Fourth War'. It focuses on a young ninja who discovers his unique powers during the chaos of the war. It has some really exciting battle scenes and character development.
Obviously Naruto is one of the most important. His strength and his ability to inspire others are crucial in the Fourth War setting. He's the one who can turn the tides with his positive attitude and powerful jutsu.