Well, in this fanfiction, Naruto might see himself as Hokage finally achieving all his dreams. He could see his friends and family thriving in a peaceful Konoha. Maybe he'd also see new generations of ninja being trained under his guidance.
Maybe Naruto sees himself as Hokage, with the village prosperous and peaceful. He could see his friends by his side, all having achieved their dreams too.
Naruto might meet his future children. He would be able to see what kind of people they are and what their dreams and aspirations are. It would be an emotional moment for him, seeing his family in the future.
One possibility is that it could show Draco having a change of heart. Maybe he realizes the error of his ways and sees a future where he and Hermione work together for the greater good of the wizarding world. They could be fighting against dark forces side by side, with Hermione's intelligence and Draco's knowledge of the inner workings of some dark families proving useful.
At first, it might be a bit tense. Natsu would be full of questions and his future self might be a bit reluctant to share everything. But as they start to talk, they could become more understanding of each other.
Obviously Naruto himself is the most important as he's the one seeing the future. Sasuke would likely be there too, as he's Naruto's closest friend and rival. Sakura would probably also play a role, maybe as a skilled medical ninja in the future Naruto sees. Kakashi might also show up, perhaps as an elder guiding Naruto in his leadership role.
Well, in the canon, Draco and Hermione are on opposite sides for a long time. So, this fanfiction challenges that by showing a future together. It goes against the expected animosity between them.
Lucy could be a likely candidate. She is a Celestial Spirit mage, and there could be some connection between her magic and seeing the future through her spirits. For example, maybe one of her spirits has the power to grant her glimpses of the future. Another one could be Jellal. Given his complex backstory and powerful magic, it's possible that in fanfiction, he could develop or already have the ability to see the future as part of his evolution or redemption arc.
Well, in 'bella sees the future fanfiction', one aspect could be the impact on the plot. If Bella can see the future, it could completely disrupt the original storyline. Maybe she sees a future where a character she loves dies, and she goes on a mission to change that fate. This could lead to a lot of new adventures and challenges that weren't in the original story. Also, it could change how the other characters view her. They might see her as a prophet or be scared of her new - found ability.