A great idea for this fanfiction would be a time - travel scenario. What if characters from Star Wars end up in the Naruto world in the past? They could introduce new ways of combat and technology. The droids could be a big shock to the ninja villages. And Obi - Wan Kenobi could train some of the young ninja in the ways of the Force, which is kind of similar to chakra control in Naruto.
One idea could be that Naruto characters are somehow transported to the Star Wars universe. For example, Naruto with his chakra abilities could be seen as a new kind of Force user. He might team up with Jedi or Sith, depending on the plot. Another idea is a crossover of the two worlds' technology and magic. The lightsabers in the hands of Naruto characters or the use of Sharingan to predict lightsaber strikes.
Well, a cool concept for Naruto and Star Wars fanfiction could be a story where the Akatsuki members are like Sith Lords. They could be seeking ancient Sith artifacts in the Star Wars galaxy. And perhaps Sasuke is lured to the dark side, not by Orochimaru, but by a powerful Sith Lord. The Jedi could then try to stop him, with Naruto as an unexpected ally, bringing his own brand of ninja skills and unwavering will to the fight.
One idea could be that Naruto characters have the Force. For example, Naruto might be a powerful Jedi with his chakra being a form of the Force. He could use his shadow clone jutsu in creative ways during lightsaber battles, like creating clones to confuse Sith opponents. Another idea is that the Sharingan could be related to some Sith abilities, perhaps allowing for unique mind - tricks or premonitions like those in Star Wars.
One idea could be exploring the backstory of a minor character in Star Wars 1. For example, a young Padawan who was on the same Jedi training grounds as Anakin but had a very different path. Another could be a fanfiction that focuses on the political intrigue on Naboo before the Trade Federation blockade. Maybe there were some secret meetings or power plays that we didn't see in the movie. A third idea is to write a story from the perspective of a droid during the events of Star Wars 1, like how they experienced the chaos and battles.
One plot idea could be that the Star Wars Empire discovers the Naruto world and wants to harness the power of chakra for their own military use. They start by capturing ninjas and trying to study their chakra. Another idea is that a Naruto character, say Naruto himself, somehow gets transported to the Star Wars universe and has to learn the ways of the Force while also trying to find a way back home. He could end up getting involved in the fight between the Rebels and the Empire.
Here's another plot. In the fanfiction, a group of Sith Lords discovers the Naruto world and decides to use the powerful ninja there for their own evil purposes. A senator in the Star Wars universe, who has some knowledge of the Naruto world, tries to stop them. He teams up with some of the Naruto characters, like Naruto himself or Kakashi. Together, they embark on a journey across both universes to defeat the Sith Lords and protect both the Star Wars galaxy and the Naruto world from destruction.
Well, perhaps there could be a story where a character with Sharingan - like abilities (similar to Sasuke in Naruto) in the Star Wars universe is a Jedi. He is betrayed by his master who turns out to be a Sith in hiding. The master wants to take the young Jedi's unique powers for himself. In a different scenario, a group of Naruto characters are on a mission in the Star Wars world and one of them is bribed by the Trade Federation to betray the rest. This could lead to a series of battles and the Naruto characters having to find a way to overcome the betrayal and the new threats they face.
One idea could be Naruto and Hinata as Jedi knights. They could go on a mission to save a planet from the Sith. Naruto's strong willpower and Hinata's gentle yet firm nature would make them great Jedi. Another plot could involve them being part of a resistance against the Galactic Empire, using their unique ninja skills in a Star Wars setting.
One plot could involve a young Jedi who, after being exiled, discovers a strange energy signature on a remote planet. It turns out to be a portal to Naruto's world. There, he encounters ninjas with Sharingan and learns their ways. He then brings this knowledge back to the Star Wars universe and tries to use it to reform the Jedi Order. He teaches his fellow Jedi how to use the Sharingan - like focus and perception in their training and in battles against the Sith.
A plot idea could be that the Sith Lord somehow discovers the power of chakra and tries to use it to create an ultimate weapon. Naruto and his friends, along with the Star Wars Rebellion, have to stop him. They travel across different planets and Hidden Villages to gather knowledge and allies.
Well, you could create a story where the Naruto characters are in the Star Wars universe. Picture Naruto as a Jedi in training, learning the ways of the lightsaber and the Force from the likes of Luke Skywalker. Or perhaps Sasuke could be a Sith apprentice, his Sharingan abilities adding a new dimension to Sith powers. And Hinata could be a Jedi healer, using her Byakugan to sense injuries in a different way.
Perhaps there could be a story where Naruto's chakra is seen as a unique form of energy in the Star Wars universe. The Sith see it as a means to enhance their dark side powers. They manipulate Naruto, showing him false visions of his past failures in Konoha, which makes him angry and more susceptible to the allure of the dark side.