Another unique idea is to have a Hyuga character who completely rejects the traditional ways of the clan. Instead of following the strict hierarchy and training methods, they venture out on their own path, maybe even teaming up with outcasts from other clans. This creates a whole new dynamic and story as they face opposition from their own clan while trying to prove that their new way can be just as effective or even better.
One interesting plot could be a story where Naruto Hyuga (assuming it's a new character related to the Hyuga clan) and Hinata Uzumaki (again, a new take on Hinata) team up for a secret mission in a far - off land. They could face challenges like ancient curses and powerful, unknown enemies. Along the way, they discover new jutsu and also explore their feelings for each other in a more in - depth way.
One idea could be to create a Hyuga OC who has a unique ability within the Byakugan. For example, your OC might be able to see chakra in a different color spectrum, which helps them detect hidden enemies or traps more easily. Another idea is to have an OC who is an outcast in the Hyuga clan because they oppose some of the traditional ways, like the strict hierarchy. They could then go on a journey to prove that there are better ways for the clan to operate. Also, you could make an OC who forms an unlikely alliance with a non - Hyuga character, and together they face challenges that neither could have overcome alone.
One idea could be a comical story where a Hyuga character accidentally uses their Byakugan on a cow and discovers some strange chakra patterns within it. Maybe the cow has some secret connection to an ancient Naruto - related power.
One idea could be that Hinata is forced into a situation where she has to pretend to cheat on Naruto for his own safety. For example, a powerful enemy wants to target Naruto through Hinata, so she fakes an affair with another character to make Naruto seem less important to her in the enemy's eyes.
In some fanfictions, Naruto crosses over into a world of ancient mythology. He meets gods and monsters from different mythologies like Greek, Norse or Egyptian. His ninja powers are put to the test as he tries to navigate this new and dangerous world. It's an interesting idea to see how he fares against such powerful and otherworldly beings.
In some fanfictions, Kurama can take a human form and interact with Naruto in a more 'human' way. For instance, they could go shopping together in the Hidden Leaf Village.
One unique idea is the exploration of their artistic views. Deidara is obsessed with his explosive art, while Naruto has his own idea of what it means to be strong and leave a mark. Some fanfics play with the idea of them sharing and comparing these views, like in 'The Art of Bonding' where they have a series of conversations about their respective 'arts'.
One unique idea is to have the chunin exams take place in a completely different setting, like an underwater city. Another could be making the main characters lose their powers temporarily during the chunin exams, adding a whole new level of challenge. And there's also the idea of having non - ninja characters participate in the chunin exams in a 'naruto chunin fanfiction'.
One idea could be that Naruto gets a ponytail after a magical encounter. For example, he meets a spirit who gives him a new hairstyle as a gift, but the ponytail has special powers like it can sense danger. So, when there's an enemy approaching, the ponytail glows or something.
A jutsu that allows the user to transform their chakra into a liquid form that can seep into the ground and then resurface anywhere within a certain radius as a surprise attack. Another could be a jutsu that uses sound waves to disrupt an opponent's chakra flow, like a high - pitched noise that throws off their concentration and ability to perform jutsus.