The children of Natsu and Lucy would be great main characters. Their combined magic powers, with Natsu's fire and Lucy's celestial spirit magic, could create a really interesting character. They might inherit a special ability that comes from the combination of their parents' magic.
Erza's protege or child could be a main character as well. They would inherit Erza's strong will and sense of justice. They might face challenges where they have to make difficult decisions, similar to what Erza had to do in the past. And they could be the one to lead the new generation of Fairy Tail in battles against new threats.
Storm Fullbuster, son of Gray and Juvia. He could have a unique blend of ice and water magic. His story could revolve around him trying to live up to his parents' legacies while also forging his own path in the guild.
The children of the main Fairy Tail characters like Natsu and Lucy's kid, or Gray and Juvia's offspring could be main characters. They would inherit some of their parents' powers and personalities.
The children of the original Fairy Tail members could be main characters. For example, Natsu and Lucy's child might inherit their parents' magic and have a strong personality. They could lead the new generation in various adventures.
Perhaps the main characters could include a group of the next - gen mages who are all friends. There could be the child of Gajeel and Levy, with their combined intelligence and strength. Another could be a new character who is related to one of the less - prominent members of the original Fairy Tail but has a special power that makes them important in the time - travel adventure. They all come together, driven by different motives like curiosity, a desire to save the future, or to understand their past better.
Sterling Fullbuster, son of Gray and Juvia. He might struggle with controlling his ice - make magic in high school, especially when his emotions are running high. And his relationship with other characters, like a potential love interest, could be a major part of the story.
Obviously, Natsu would be one of the main characters. He's always at the center of things in Fairy Tail, and seeing the future would surely lead him into some wild adventures.
Gray and Juvia's offspring could also be central characters. They could have an interesting mix of ice - make magic and water magic. Maybe they struggle with controlling their powers at first, just like their parents did, but in different ways. And their relationships with the other next - generation characters could be complex, adding depth to the story.
The children of Natsu and Lucy would be great main characters. They could inherit their parents' powers and personalities. For instance, having the same determination as Natsu and the intelligence of Lucy.
Well, it could be the children of the original main characters. For example, Serena and Dan's daughter might be a main character. She could inherit Serena's charm and Dan's intelligence, but also have her own unique personality, like being really into environmental activism which sets her apart in the high - society world.
Natsu could be a main character. He could be the hot - headed but kind - hearted student who always gets into trouble but also manages to save the day with his powerful fire magic. His loyalty to his friends would be a key aspect in the fanfiction.