In a 'naruto and hinata grown up fanfiction', perhaps they go on adventures outside of the village. Naruto has always been curious about the world, and now with Hinata by his side, they explore different lands. Along the way, they meet new friends and foes, and Hinata's gentle yet strong nature helps them out of many difficult situations.
Well, it could be that as they grow up, Hinata becomes an important part of Naruto's support system. She's always there for him when he has doubts about his role as Hokage. Naruto, on the other hand, encourages Hinata to take on more leadership roles in the Hyuga clan. Their relationship blossoms as they grow both individually and together, and they might get married and have a family, with their children being trained in the ways of the ninja, carrying on their legacies.
Maybe a young apprentice of Hinata. A girl who is inspired by Hinata's grace and strength. This character could bring a fresh dynamic as she looks up to Hinata and also gets to know Naruto. Additionally, there could be a mysterious figure from a far - off land who comes to the Hidden Leaf and has an unexpected connection to Naruto and Hinata's story.
As they grow up together, Hinata would be constantly by Naruto's side during his journey to become Hokage. She would offer him emotional support and practical advice. Naruto, being the kind - hearted person he is, would gradually fall in love with Hinata's selfless love for him. Their relationship would develop as they face the challenges of the ninja world together, and eventually, they would be in a loving, committed relationship.
Definitely Naruto and his friends like Shikamaru. Shikamaru, being the smart strategist, often plays a role in helping Naruto make important decisions as an adult in fanfiction. Also, characters like Kakashi might still be around in some fanfictions, acting as a mentor or an advisor to Naruto in his adult leadership role. And of course, the new generation of shinobi such as Boruto may also be included, showing the relationship between Naruto as a father and his son.
One interesting Naruto grown up fanfiction could be about Naruto becoming a great Hokage and how he manages international relations. Another might focus on his family life with Hinata and how they raise their children in a post - war Konoha.
One possible plot could be that Naruto and Sasuke, having grown up together, become the ultimate team in protecting the Hidden Leaf. They combine their skills and knowledge to face new threats that are far more powerful than anything they've encountered before. They might also have a deeper understanding of each other's past traumas and work together to heal those wounds while strengthening the village.
Naruto could be initially in shock. Given his strong feelings for Hinata, he might not believe it at first. He could try to talk to her and ask for reasons, hoping to fix things.
One possible reason could be miscommunication. Maybe Hinata felt that Naruto was always so focused on his ninja duties and didn't have enough time for her. Another reason might be external pressure. For example, if there were some political or family issues in the Hidden Leaf Village that made their relationship difficult to maintain. It could also be that Hinata's own insecurities got the best of her. She might have felt that she wasn't good enough for Naruto, who was a hero in the village.
In such a fanfiction, perhaps the plot could revolve around Naruto and Hinata starting a family. It might show their journey through Hinata's pregnancy, with Naruto being overly protective and excited about becoming a father. They could face challenges together, like dealing with the reactions of their friends and family in the ninja village.