A foreign diplomat who comes to negotiate with the female emperor. This character could bring in different cultural perspectives and create interesting diplomatic situations. There could also be a street - smart orphan who manages to get close to the female emperor and becomes her eyes and ears among the common people, providing her with valuable information about the real needs and concerns of the masses.
One popular character is probably Gandalf from 'The Lord of the Rings'. The contrast between the Emperor's more militaristic and scientific approach and Gandalf's more magical and guiding role can create interesting stories. They could either be allies or have ideological clashes.
A wise old tutor who has been with the imperial family for generations. He can guide the daughter in her studies and also in understanding the political intrigues of the court. Another good character could be a loyal bodyguard who is secretly in love with the daughter but knows his place and is always there to protect her.
Typically, there might be elements of power dynamics. Since it's a female emperor, there could be a display of her authority and how it interacts with other characters. In lemon fanfiction, there may also be romantic or sexual undertones, although this can vary greatly depending on the writer. Maybe there are also elements of court intrigue as is often associated with imperial settings.
The Primarchs are also frequently featured. Each Primarch has their own unique characteristics and storylines. For instance, Horus is often a key figure, especially in stories that revolve around the Horus Heresy, which is a major event in the Warhammer 40k universe where many fanfictions are set.
There could be Byakuya. He would be shocked and disappointed by female Ichigo's betrayal as he might have seen her as a promising comrade. Also, Rukia. Since she and Ichigo have a special bond, her reaction to Ichigo's betrayal would be very emotional. And then there's Aizen. He could be the one who tempted or manipulated female Ichigo into betraying, seeing her as a useful pawn in his grand schemes.
Perhaps Naruto finds himself in a post - apocalyptic world where mankind is on the verge of extinction. His ninja abilities make him a natural leader. He starts by gathering survivors and building a community. As his influence grows, he becomes the de - facto leader, or emperor. He has to deal with issues like resource management, rebuilding society, and protecting his people from various threats, such as mutant creatures or other hostile human groups. He might also try to spread the values he learned in the Hidden Leaf Village, like loyalty and hard work, to the new world he is now in charge of.
One idea could be that the female emperor rises to power during a time of great chaos and war. She unites the divided human factions through her charisma and strategic genius. Another could be her facing challenges from traditionalist groups who oppose a female ruler. She then has to prove herself by making great reforms and leading successful military campaigns.
Harry Potter, of course. His friendship with Hermione is a crucial part of the original story, and in a fanfiction, their bond can be explored even deeper. Maybe Harry discovers a new side of Hermione during the events of Prisoner of Azkaban.
A court jester can add some humor. He can be the one who sees through the courtly pretenses and gives the emperor some down - to - earth advice in a comical way.
Palpatine, of course. His influence on Vader and their complex relationship can be delved into. In fanfiction, we could see more of their power struggles or how Vader might try to break free from Palpatine's control in ways not shown in the movies.