I'm not entirely sure as there could be multiple main characters. But often in such light novels, there's a protagonist who is on a quest. Maybe it's a young adventurer with a special ability or a unique background.
In 'kami no tou light novel', the main characters are likely to include those who are directly involved in the main plot of climbing the tower. There could be a character who starts from the bottom with very little power but has great potential. There might also be characters from different levels of the tower, each with their own motives and abilities. Some could be from noble families within the tower's hierarchy, while others might be outcasts trying to make a name for themselves. All these characters' interactions and their individual goals would form the core of the story.
The 'kami no tou light novel' is probably a narrative that takes place in a unique setting, perhaps a gigantic tower filled with countless floors and mysteries. The characters in this light novel are likely on a journey within the tower. This journey could be not just a physical one but also a spiritual and emotional one. They might be searching for something like power, truth, or a way to change their destinies. Along the way, they would form alliances, face betrayals, and constantly adapt to new and strange environments.
I'm not entirely sure about all the main characters, but there is usually a central protagonist who drives the story forward in the context of the kami - related plot.
Obviously Naruto is one of the main characters as he is the one being revived. And Kami, who is performing the revival, is also a crucial character. There might also be other characters like Sasuke, Sakura, and Kakashi who could be involved in the story after Naruto's revival. For example, Sasuke might be initially skeptical about Naruto's return or Sakura could be overjoyed and help Naruto get back to his normal self.
Since it's a Naruto - related fanfiction, Naruto himself is most likely a main character. And depending on the plot, characters like Sasuke, Sakura, Kakashi might also be main characters as they are closely associated with Naruto's story. Also, if the kami play a big role, there could be some sort of representation of the kami as a character as well.
Since it's a Naruto - centered fanfic, Naruto is most likely the main character. But there could also be other characters like Sasuke or Sakura who might play important roles in Naruto's journey after being forsaken by the kami.
In a 'naruto daughter of kami fanfic', Naruto is surely one of the main characters as he is the father. His daughter, who is the key element with her kami - related nature, is another main character. However, depending on the plot, other characters from the Naruto franchise could also be main characters. If the story is about the daughter's training, then her sensei, like Iruka, could be a main character. If it's about a conflict, then the villains from the Naruto world, such as Orochimaru or the Akatsuki members, could also be main characters as they would be involved in the story's central conflict with the daughter and Naruto.
Obviously, Naruto is the main character since it's about him being the son of Kami. But other important characters could include his friends like Sasuke and Sakura. They might play a role in how Naruto copes with his new identity.
Obviously, Naruto would be one of the main characters. And since it's about being 'loved by kami', the kami itself (though it might not be a traditional character but more of a divine entity) would also be a crucial part. There might also be his friends like Sasuke and Sakura who could play important roles in the story, either supporting Naruto in his new - found relationship with the kami or being a bit skeptical about it.
Obviously Naruto is one of the main characters. And Kami, of course. Sometimes other characters like Sasuke might also be important as Naruto's relationship with him could be affected by Naruto's interactions with Kami.
Sasuke could also play a role. He might be initially skeptical of Naruto's connection to the mizu no kami and this could create some tension between them. Their relationship could be further explored in the context of Naruto's newfound powers or responsibilities related to the mizu no kami.