Since I don't know the exact story, I can only guess. There would likely be the missing girl herself. And probably her parents, as they would be very concerned about her disappearance. There might also be a detective or a police officer if it's a more crime - centered story.
The main characters in 'the missing girl short story' would almost surely start with the missing girl. She is the center of the story. Her family, like her siblings if she has any, would also be significant. They would be involved in the search and dealing with the emotional aftermath. If the story is set in a community, neighbors or community leaders could also be characters. They might offer support or be suspects depending on the nature of the story. And if there is a mystery to solve, there could be a journalist or an amateur sleuth who gets involved in trying to find out what happened to the girl.
Since we don't have the full story, it's hard to say exactly. But most likely, the main character would be the little girl herself. There could also be her parents or guardians who would be very important in the story as they would be desperate to find her.
In a typical'missing little girl story', the main characters are, of course, the missing girl. Her family members play important roles too. For example, her mother might be constantly crying and hoping for her safe return. Her father could be out there with the search parties. There may also be a kind neighbor or a local detective who becomes deeply involved in the search and is determined to solve the mystery of her disappearance.
Since I don't know the exact 'the missing girl novel', I can't say for sure. But it might have the missing girl as a main character, of course. And perhaps her family members, like her parents or siblings, could be main characters too as they would be deeply involved in the search for her.
I'm not sure specifically as I haven't read the exact 'Of Missing Persons' short story you mentioned. But generally, in a story about missing persons, there could be the family members of the missing person, like a worried mother or a desperate husband. There might also be a detective - like figure who is trying to solve the case.
Obviously, the missing boy is one of the main characters. There might also be his parents who are worried sick about him and are searching everywhere.
Well, 'the missing girl short story' could have a variety of plots. It might focus on the emotional turmoil of the people left behind when the girl goes missing. Her parents might be devastated and start to question everything in their lives. The story could also involve a race against time to find her before something bad happens. There could be red herrings in the form of false leads that misdirect the search efforts, and in the end, it might have a surprising twist, like the girl was hiding close by all along for a very specific reason.
The primary character is clearly the girl who undergoes the 'plugged in' experience. However, there could be other important characters as well. There might be the people who are in charge of the technology or system she is plugged into. And then there are likely to be characters from her regular life, like friends or family members. Their reactions and interactions with her during and after the plug - in process can be significant in shaping the story.
I don't know the exact main characters in this story since I haven't read it. But surely, the girl herself is a main character. There might also be other characters like her family members or friends who could be related to her situation with the mirror in some way.
The invisible girl must be the central character. Then, there could be a friend or a mentor figure. Maybe a person who discovers her invisibility by accident and then tries to help her. Another possible main character could be an antagonist, someone who wants to use her invisibility for bad purposes or is a threat to her in some way.
I don't know as I haven't read it. There might be the honest girl herself, and perhaps her family members or friends who play important roles in the story.