Most likely, the main character is the watercress girl. In many stories, the name in the title gives away the main character. So, this girl must be the central figure in the story. Maybe she is a poor girl who makes a living by selling watercress. Or perhaps she is a curious girl who discovers the beauty and uses of watercress and through her, the story unfolds, showing different aspects of life related to watercress.
Since it's the watercress girl story, the main character is likely the girl who has something to do with watercress.
The main character is probably the girl in the title. She is the one around whom the story of watercress revolves. She could be a girl who depends on watercress for her livelihood, or she has a special bond with watercress for some other reason.
Well, if we think about it, 'the watercress girl story' might be a story of a girl's journey with watercress. It could start with her finding watercress in a stream or a field. She might then learn how to take care of it, harvest it properly. As she gets involved with watercress, she might meet different people along the way. Maybe she uses watercress to make delicious dishes for her family or to sell in the market. It could be a story full of simple joys, challenges in growing or selling watercress, and the relationships she forms because of it.
The main character in the '88 girl story' is presumably the girl it's named after. However, without more information about the story, we can't know anything about her personality, her age, or what she does in the story.
As I don't know the particular 'the rainbow girl story', I can't say for sure who the main character is. It could be the rainbow girl herself, of course.
Well, the main character being a girl, she could be a young and curious one. Maybe she's an orphan or from a poor family, which would make her story more poignant. If the matchbox has some magical or important element, she could be the one destined to unlock its secrets. For instance, if the matchbox contains a key to a hidden place or a power that can change her life, she is the one who has to figure out how to use it.
Since I don't know the specific 'girl expansion story', I can't say for sure who the main character is. It could be any girl with a story of growth or expansion in some aspect of her life.
It might be a girl from a small town. She has a simple life but is full of big ideas. She could be the one the story focuses on, showing how she makes the most of her small - town upbringing while also dreaming of something bigger.
Since I don't know the details of the'soup girl story', I can't say for sure who the main character is. But based on the name, it's likely a girl who has some significance related to soup.
As we don't know the details of the story, the main character is likely the girl in the mask herself.
Obviously, the main character is the girl at the gate.
I have no idea as I don't know the story.