A possible plot is that Hinata discovers Sasuke's vampire nature by accident. Instead of being afraid, she decides to help him control his thirst. They then embark on a journey together to find a way for Sasuke to co - exist with humans without causing harm. Along the way, they face many challenges and their relationship deepens.
One idea could be that Sasuke, a vampire, is initially drawn to Hinata because of her unique chakra. Hinata, on the other hand, is intrigued by Sasuke's mysterious allure. Maybe Sasuke tries to resist his vampire instincts around her, which creates a lot of internal conflict for him.
One idea could be that Sasuke and Hinata are sent on a secret mission together to retrieve a powerful and ancient ninja artifact. During the mission, they have to rely on each other's skills and gradually gain respect for one another.
One plot idea could be a story where Hinata discovers a new chakra - related ability and Sasuke and Tsunade help her master it. This could involve training sessions where Sasuke shows his combat experience and Tsunade offers her medical and chakra - control knowledge.
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.
One plot idea could be that Sasuke is a vampire who has been secretly protecting Sakura from other dark forces in the vampire world. Another could be that Sakura discovers she has a special blood type that is very alluring to vampires, and Sasuke has to fight his instincts to protect her. Maybe they are both turned into vampires and have to navigate their new existence together.
One plot idea could be that Sasuke, as a vampire, is initially conflicted about his feelings for Sakura. He might resist his attraction to her because he doesn't want to bring her into his dangerous vampire world. Another idea is that Sakura discovers Sasuke's vampire nature and tries to find a way to cure him, while Sasuke doesn't want to be cured as he sees his vampirism as part of his power. A third idea could be that there is a vampire clan war and Sasuke has to protect Sakura from the other vampires who see her as a weakness of Sasuke's.
One interesting plot could be a mission where Naruto, Hinata and Sasuke have to work together. During the mission, Hinata's shy nature starts to break as she has to communicate clearly with both Naruto and Sasuke. Maybe there's a powerful enemy that only their combined skills can defeat. Naruto uses his Rasengan, Sasuke his Chidori, and Hinata her Byakugan - based techniques in a coordinated attack.
One idea could be that Sasuke and Hinata travel back to the time when the Uchiha clan was still intact. Sasuke gets to see his family again and Hinata witnesses the power and unity of the Uchiha. They might try to prevent the tragedy that befell the Uchiha clan. Another plot could be them traveling to a future version of their world that has been completely destroyed. They then have to figure out how to go back in time to change the events that led to this destruction.
A plot might involve Sasuke's transformation into a vampire being a result of some dark jutsu experiment gone wrong. Naruto, who is determined to save his friend, embarks on a journey to find a way to reverse it. Along the way, they encounter various characters from the Naruto universe who either help or hinder their progress. There could be a sub - plot where Sasuke struggles with his new vampire instincts, especially when it comes to his feelings for Naruto, as vampires in this fanfiction might have heightened emotions.
One plot idea could be that Sasuke is a werewolf and Sakura is a vampire. They are from rival clans but fall in love. Their love has to overcome the prejudice and enmity between their kinds. For example, they might have to hide their relationship from their respective families and communities who would be against it.
One plot idea could be that Sasuke and Hinata end up in an arranged marriage for political reasons in their village. At first, they are hesitant and distant from each other. But as time passes, they start to understand and respect one another. Hinata discovers she's pregnant, which makes Sasuke realize his growing feelings for her and his newfound responsibilities as a future father. He then becomes more protective and they work together to create a stable family environment in a world full of shinobi threats.