I don't know for sure as I haven't read it. But likely there would be the emperor as one of the main characters. There might also be a female lead, perhaps a court lady or a commoner who somehow gets involved with the emperor. Maybe there are also some eunuchs or court ministers who play important roles in the story.
Without having read the 'overnight with the emperor web novel', it's hard to determine the exact main characters. However, based on the title, we can assume the emperor is a central figure. There could be a young and ambitious noble who wants to use the overnight encounter with the emperor to further their own political aims. And perhaps a wise old advisor who tries to guide the emperor during this time of unexpected events.
I'm not sure as I haven't read this web novel specifically. But generally, it might be about a character's unexpected encounter or experience with an emperor overnight. Maybe it involves court intrigue, a love story in the imperial setting, or some kind of adventure within the imperial palace.
The protagonist is of course one of the main characters. He has a strong will and the determination to rise to the top in the demonic world.
I'm not sure exactly as I haven't read it fully, but surely the daughter of the emperor is a main character. There might also be her family members like the emperor himself, the empress, and perhaps her siblings.
In the 'kinnporsche web novel', the two central characters are Kinn and Porsche. Kinn is likely to be in a powerful position, while Porsche has his own distinct personality and role. They are the focus of the story, and their actions and interactions drive the plot forward.
Perhaps there is a young, idealistic lawyer who is the central figure in the 'justice web novel'. This character might face a lot of challenges in the courtroom while trying to uphold justice. There could also be some supporting characters like a wise old mentor who guides the lawyer in his journey for justice. And then there could be the antagonists, like corrupt officials or criminals who try to undermine justice.
I'm not sure who the main characters are in 'arachne web novel' as I haven't read it. But if it's named after Arachne, she is likely to be a main character.
I don't know as I haven't read it. There could be a character named Shiraori as the main one, or it could be an ensemble cast.
I don't know as there's not enough information given. It could be a group of adventurers, or perhaps some ordinary people who get caught up in extraordinary events related to 'the web' in the story.
The main character is Hajime Nagumo. He is a key figure in the story who experiences a great transformation. Then there's Yue, who plays an important role in Hajime's journey. She has her own unique abilities and personality that complement Hajime's.
Since I don't know the specific 'archmage web novel', it's hard to say. But it's likely to have the archmage as a main character, and perhaps their apprentices or rivals.