Perhaps in this fanfiction, there is a tournament where werewolves and vampires compete. Naruto and Hinata are both forced to participate. Initially, they are rivals. But during the tournament, they discover that they have more in common than they thought. They start to cooperate secretly, which eventually leads to a romantic relationship between them.
A simple plot could be that Naruto, the werewolf, accidentally enters the territory of the vampires where Hinata lives. At first, they are at odds, but as they get to know each other, they start to like one another. For instance, Naruto might save Hinata from a common enemy, which makes her see him in a new light.
One idea could be that Naruto, as a werewolf, is initially distrusted by the village but Hinata, a vampire, sees his good heart. She helps him gain acceptance among the people. For example, she uses her vampire charm and diplomatic skills to convince the villagers that Naruto is not a threat.
One idea could be that Naruto and Hinata are part of a werewolf clan in a hidden village. They have to protect their clan from hunters who are after the werewolves' special powers. Naruto, with his usual determination, tries to find a way to make peace between the two groups while Hinata supports him and also uses her gentle yet strong skills to fend off any immediate threats.
A simple plot could be that Hinata gets injured while on a mission, and Naruto takes it upon himself to nurse her back to health. During this time, they have long conversations and get to know each other on a deeper level, leading to the start of their romantic relationship.
Well, there could be a plot where Naruto is a half - vampire. His mother was a human and his father was a vampire. Hinata is drawn to his unique nature. They end up on a journey to discover more about Naruto's vampire heritage. On this journey, they encounter different vampire clans. Some are friendly and some are hostile. Naruto has to use his vampire powers, like enhanced strength and the ability to see in the dark, to protect Hinata. And through all these adventures, their love for each other blossoms.
The plot could involve Naruto protecting Hinata from the Hyuga clan's strict traditions. Since he's not bound by those traditions as her brother, he could fight against the elders who want to keep Hinata in a subservient role.
It could be about Naruto and Hinata going on a secret adventure together. Maybe they discover a hidden place in Konoha that no one else knows about and have to protect it from some sort of threat.
In a 'Naruto and Hinata reborn fanfiction', perhaps they are reborn with enhanced abilities. They might be reborn into a world where ninjutsu works differently. Naruto could be more in touch with his Uzumaki heritage from the start, and Hinata might have a new form of Byakugan. They would have to learn how to use these new powers together, and also navigate their relationship, which may be different from their past life due to different circumstances.
One possible plot could be that the Joker discovers a way to travel between universes and ends up in the Naruto world. He decides to target Konoha because it seems like a place full of order that he wants to disrupt. Naruto and Hinata notice the strange new presence in the village. They initially underestimate the Joker, but as he starts causing mayhem, they realize they need to combine their skills to stop him.
One possibility could be that in the fanfiction, Naruto has realized Hinata's unwavering love and support over the years. So, he starts to obey her out of respect and love. For example, Hinata might suggest a new training method for Naruto, and he obeys without question because he trusts her judgment. It could also involve Hinata having a say in Naruto's decisions regarding the village, as she is also a respected ninja.
One idea could be that the hybrid character has the speed and agility of a werewolf and the alluring charm and immortality of a vampire. They could be an outcast in both the ninja world and the supernatural world, trying to find their place. Maybe they use their unique abilities to protect the Hidden Leaf from threats that neither Naruto nor the normal shinobi can handle.