Since we don't have more details about the 'girl in room 105 story', the girl could be a young adventurer who has checked into room 105 for a night during her travels. Or she could be a student who is staying in a dormitory room 105 and has some interesting encounters there. It really depends on what the story is about.
The girl in the 'girl in room 13 story' could be anyone really. She might be a young girl with a special gift or a troubled past. Maybe she's a runaway who has found herself in room 13 and the story is about how she copes with her new situation and the people she meets there.
I don't think it is. Usually, such titles are part of fictional works crafted by the author's imagination. There's no indication that it's based on real events.
Since I don't know the specific 'Girl in Room 13' story, it's hard to say who she is. She could be an ordinary girl who got caught up in an extraordinary situation, like a victim of a crime.
I'm not sure specifically which 'The Girl in Room 13' real story you are referring to. There could be many stories with such a title. It might be about a girl who had some unique experiences in room 13 of a building, perhaps a spooky encounter, or an emotional journey she went through while staying in that room.
I'm not sure specifically what the 'girl in the room 105 story' is about as it could be many things. It might be a story about a girl who has some unique experience in room 105, like she discovers a hidden treasure there, or she meets someone special in that room.