Well, 'naruto nine fury fanfiction' might involve a story where the power of the nine (could be related to the nine-tailed beast) is somehow connected to a great deal of fury. It could be a tale of battles and intense emotions in the Naruto world. It could also be that the nine represents nine ninja with extraordinary fury powers.
One possible theme could be the struggle against inner demons, as the fury might represent the characters' internal struggles. Another could be the power of unity in the face of overwhelming fury.
The main characters are most likely Naruto, since he has the Nine - Tailed Fox. Sakura could also play an important role as she is one of Naruto's closest friends and a strong kunoichi. Then there's Jiraiya. He has a deep connection with Naruto and his training might be crucial in helping Naruto handle the Nine - Tailed Fox's fury. Additionally, characters like Tsunade might be involved in the political aspects related to the situation with the Nine - Tailed Fox.
Sasuke could be a potential ally. Despite their past differences, they have a deep connection. Sasuke's power and skills could complement Naruto's when dealing with the Nine - Tail's fury. Also, Kakashi. He has always been a mentor figure to Naruto and his knowledge and experience could be invaluable in helping Naruto control the fury. Another one could be Gaara. As a former jinchuriki himself, he understands the struggles of having a tailed beast inside and could offer both emotional support and practical advice on handling the Nine - Tail's fury.
One interesting plot idea could be exploring the origin of the Nine - Tailed Fox's fury in more depth. Maybe there was a past encounter that made it so enraged. Another could be Naruto fully embracing the Nine - Tailed Fox's power and using it in a new and unexpected way to protect the village.
A possible plot is that the Nine - Tail's fury is somehow transferred to other characters in the village. Naruto then has to find a way to reverse it while also dealing with the chaos that ensues. For example, some villagers who receive the fury start attacking each other. Naruto has to use his bond with the Nine - Tail and his understanding of its power to calm them down and bring back peace. It could also lead to a deeper exploration of the relationship between the villagers and the tailed beasts.
I'm not sure specifically as there could be many different interpretations in fanfiction. It might be about Mito Uzumaki and some sort of fury - related situation in the Naruto universe, perhaps her showing great power or facing a difficult challenge.
I think characters like Jiraiya would be important. Since he was Naruto's mentor, he could help Naruto understand and control the power related to being the son of fury. And of course, Naruto's family members, even if they are not alive in the original series, could be explored in this fanfiction, such as his father who might have passed on this 'son of fury' trait.
It could be about Naruto's journey as the son of a powerful and angry figure. Maybe he has to deal with the expectations that come with such a heritage while also facing his normal ninja challenges in Konoha.
The plot could be about Naruto being transported to the world of How to Train Your Dragon and stumbling upon a Night Fury. Maybe he tries to befriend it using his ninja skills.