Since we don't have more details about this 'being there novel', it's difficult to say who the main characters are. It could be an ordinary person going through an extraordinary journey of self - discovery while 'being there' in a new environment. Or it could be a group of people whose lives are intertwined through their shared experiences of 'being there' at certain events.
I'm not entirely sure without reading it more closely, but there are probably some characters that drive the story forward.
The main character is the villainess herself. Her name might vary depending on the specific version of the novel, but she is the central figure who drives the story forward with her actions and decisions.
I'm not entirely sure as I haven't read it in detail, but usually in a novel there would be a protagonist. Maybe it's a young person who is the central figure in the 'tale for the time being'. There could also be an older character who serves as a guide or a source of wisdom.
I don't know as I'm not familiar with this novel. But typically, main characters in a novel about the troubles of being born might include the newborn or those closely related to the newborn, like the parents or siblings.
Since I haven't read the novel, I can't say for sure who the main characters are. But they could be two young men or women who are open - minded enough to make such an agreement.
Since I haven't read the 'I Will Quit Being the Hero Novel', I can only guess. There would probably be the hero himself who wants to quit. There might also be some friends or comrades who try to persuade him to stay in his heroic role, or who are affected by his decision. And there could be some antagonists who either oppose him because he's a hero or who take advantage of his decision to quit.
Since I haven't read the novel, I can't say for sure. But typically, there might be a male and a female lead. Maybe a young man who is a bit hesitant about his feelings and a young woman who is more in touch with her emotions at first.
Since I haven't read the novel, I can't tell you the exact main characters. But usually, in a novel with such a title, there might be a character who is at the center of this decision to give up being stronger. It could be a hero - type figure who has had a change of heart.
I don't know the exact main characters as I haven't read it. But it's likely that the 'deluded shacho' is one of the main characters. There may also be characters who are being swayed by this shacho, such as employees or subordinates.
I don't know as I haven't read the novel. It could be the character who was a parasite and is on the journey of leveling up, and perhaps there are other characters who help or hinder this process.