Her friends or comrades from the ninja academy or her ninja team can be main characters too. They might support her in battles or help her solve problems she faces in the story. For example, a loyal friend who always has her back during dangerous missions.
In some 'Kiyomi Uchiha fanfic', there could be a rival character. This rival could be from another clan or just someone who is jealous of Kiyomi's skills. Their interactions and the competition between them can drive the story forward.
One great 'Kiyomi Uchiha fanfic' could be about her hidden powers. For example, she might discover a new jutsu that only she can use due to her unique Uchiha heritage. This could lead to her going on a solo mission to protect the village.
I think Naruto and Itachi could also be main characters in this fanfic. Naruto might look up to Itachi for his self - sacrifice and powerful abilities. Itachi could act as a mentor - like figure to Naruto in the context of the fanfic, guiding him in understanding the Uchiha clan better.
The main character is probably the so - called 'last Uchiha'. But it could also include characters like Kakashi, who has a connection to the Uchiha through Obito. And it's possible that some new characters created specifically for the fanfic could also be main characters, maybe a friend or rival to the last Uchiha.
Most likely, there will be Uchiha characters as the main focus. It could be Sasuke, as he is one of the most prominent Uchiha in the Naruto series. Or it might introduce new Uchiha characters created specifically for this fanfic.
In a 'naruto the uchiha prodigy fanfic', the main focus would be on the Uchiha prodigy. But considering the context of the Naruto universe, there would be a whole host of other characters involved. Naruto would most likely be present, as his story is intertwined with the world of the Uchiha. Sakura could also be part of the story, perhaps as a healer or a friend to the Uchiha prodigy. And then there are the villains from the Naruto series. Orochimaru, for instance, might be interested in the powers of the Uchiha prodigy and try to manipulate or use them for his own purposes. So, the main characters would be a mix of the Uchiha prodigy, Naruto - related characters, and potential antagonists.
Obviously, Sarada Uchiha herself is a main character. Often, her parents, Sasuke and Sakura, are also prominently featured. Boruto Uzumaki might also be involved as he is Sarada's peer and they often interact in the Naruto universe.
Often, there are characters who are sweet - lovers. Maybe a young girl or boy who has a special affinity for chocolate and is at the center of the story.
Sometimes, the main characters could be metro workers. For instance, a young metro driver who discovers something unusual during his shift. Or it could be a maintenance worker who stumbles upon a hidden part of the metro system while doing repairs. Another type of main character could be a street artist who uses the metro stations as their canvas and has a whole story related to their art and the metro environment.
Obviously, hachishakusama is often the central character. It's the main focus of the fanfic.
Akashi Seijuro is often one of the main characters. His strong personality, leadership skills, and complex family background make him a central figure. His father is also usually an important character as he represents the head of the Akashi family and often has a big influence on family decisions.