A possible plot twist is that the Kazekage has been secretly training in a new and powerful jutsu while in captivity. When the rescuers arrive, he is in the middle of a dangerous experiment with the jutsu, and they have to either help him complete it successfully to escape or stop him before it goes out of control.
Obviously, Naruto would be a main character. His determination and powerful jutsu would be crucial in the rescue mission. Gaara, the Kazekage himself, would also be a central figure even though he is the one being rescued as his past and his role in the shinobi world are important aspects.
A plot twist could be that Hotaru is secretly related to the main villain. This would put her in a difficult position as she has to choose between her loyalty to Utakata and her new - found family connection. It would also add a layer of complexity to her character.
Another idea is a story where Anko discovers a new power within Naruto that no one else has noticed. This could lead to her taking Naruto under her wing in a more personal training session, different from the ones he has had with Kakashi or Jiraiya. It could be a story of Anko helping Naruto unlock this hidden potential while also dealing with her own past traumas related to Orochimaru.
One interesting Kazekage Naruto fanfiction could be about Naruto having to collaborate closely with the Kazekage in a new international shinobi alliance. In this story, Naruto might learn unique sand - based jutsus from the Kazekage and they could face a new, powerful enemy together.
One idea could be Naruto facing unexpected challenges right before his coronation as Hokage. Maybe a new enemy emerges that questions his worthiness, leading to a final battle where he has to prove himself not just as a powerful ninja, but also as a true leader. Another plot could involve Naruto dealing with internal village politics. As he is about to become Hokage, different clans start vying for more power and influence, and Naruto has to balance their demands while still maintaining the unity of the village.
A really interesting plot could be a time - travel fanfiction. Naruto and Temari are sent back in time to a crucial moment in the history of their villages. They have to work together to make sure the events unfold in a way that doesn't change the future too drastically, but also helps to prevent some of the darker events that occurred in their past.
One of the most exciting plot twists could be the return of a long - thought - dead character with new powers. Maybe a villain from the past comes back stronger and with a different motive, like Orochimaru returning with a new form of immortality technique. Another could be Naruto suddenly losing his powers and having to find a new way to fight, which would completely change the dynamics of the story.
Perhaps a fanfiction where Sasuke loses his memory and Sakura has to help him regain it. She takes him back to all the places that are important to their past, like their old training grounds. As she tries to jog his memory, they end up reliving old memories and emotions, and this could lead to a rekindling of their relationship in a very emotional way.
One idea could be a story where Neji and Tenten go on a special mission together. They face many challenges and in the process, Neji discovers a new side of Tenten's strength. Maybe she uses some unique weapons or techniques that Neji has never seen before, and he gains a new respect for her.
Another plot could revolve around Itachi and Kisame having a philosophical debate during a long journey. Since Itachi has his own complex moral code and Kisame is more straightforward in his loyalty to the Akatsuki, they could discuss the meaning of loyalty, power, and the end goals of their organization. This could lead to a deeper understanding between them or even a rift, depending on how the story unfolds.