Since we don't have more details about this 'Seven Centuries Novel', it's hard to say exactly. However, it could have main characters who are sort of like threads connecting the different centuries. Maybe there are characters who are descendants of one another, and their family's story is told over the seven - century span, with each character facing different challenges according to the era they live in.
I'm not sure as the 'Seven Centuries Novel' is not a widely known specific novel to me. But generally, in a novel spanning such a long time, the main characters could be from different generations or families that play key roles in different historical periods covered.
There's no way to tell precisely without more information about the 'Seven Centuries Novel'. But it's possible that the main characters could be representatives of important historical figures or social groups within the seven - century period. For instance, there could be a noble character in the earlier centuries who then has descendants that include a revolutionary figure in later centuries, all of them being important to the overall narrative.
There could be new characters introduced who become central to the story. They might be from different regions that have emerged over the centuries in the Naruto universe. However, it's also possible that some of the original main characters, like Sasuke or Sakura, might still have a role to play through their lineages or some kind of time - related magic in the fanfic.
It could be descendants of the original Naruto characters. For example, there might be a great - great - grandson of Naruto himself with similar but also different powers.
Well, the significance could lie in its ability to preserve the essence of different eras within those seven centuries. It might have unique writing styles from each period it covers. Maybe it combines elements of different literary traditions that developed over time. It could be a valuable resource for understanding how storytelling has changed and adapted through the centuries.
I don't know for sure since I haven't read it. But usually in a novel, the main characters could be those directly involved with the seven secrets, either as seekers or keepers of the secrets.
I don't know for sure since I haven't read it. But usually in a novel about magics, there could be a young apprentice who is the main character, eager to learn about the seven magics.
In the 'Secret Seven Novel', the main characters are, of course, the members of the Secret Seven. They are kids with different personalities. There's usually a leader among them who is quite determined and smart. Then there are others, like the one who is always full of energy and eager to explore, and another who might be more cautious but still an important part of the group. Together, they make up the Secret Seven and drive the story forward with their actions and decisions.
I don't know as I haven't read it. It could be a young adventurer, a wise old wizard, or a brave knight.
In the 'Seven Devils Novel', the main characters could include not only the seven devils but also the people who are affected by their actions. For example, there might be a village girl who witnesses the devils' first appearance and then becomes a key figure in the fight against them. Or there could be a group of scholars who study the devils and try to find a way to banish them. It could also be that there is a fallen angel character who has some connection to the devils and is trying to redeem itself by helping to stop their evil deeds.
Not having read the 'Seven Girls Novel', it's impossible to be exact about the main characters. But if we think about it, the seven girls are likely to be the main focus. Maybe there are some supporting characters as well, like their parents or teachers. But the seven girls would probably be the ones driving the story forward, with their own dreams, goals, and conflicts that shape the narrative.
I'm not sure as I haven't read it specifically, but they could be kings, queens, knights or sorcerers from the seven kingdoms.