Since we don't know the specific 'perfect girl story', it could be any girl. It might be a fictional character created by the author, like a girl named Lily who has magical powers and is considered perfect because of her ability to use them for good.
There's no way to be certain. It could be a girl based on the author's real - life experiences, perhaps a friend or a sister. For instance, if the author had a sister who was always there for others and was really smart, she could be the main character in the 'perfect girl story'. The story would then revolve around her good deeds and qualities.
It could be a girl from a different culture or time period. Maybe it's a story set in ancient Greece and the main character is a girl named Athena (not the goddess but a regular girl named after her) who is perfect in the eyes of her community because she is the most learned and the most beautiful in her village. The story could detail her life and how she deals with the expectations of being 'perfect'.
Since I don't know the story, I can't say for sure who the main character is. It's likely to be the girl who is considered 'perfect'.
Another possibility is that the main character is someone who discovers the 'perfect girl'. Maybe it's a young wizard who stumbles upon this girl who seems to have all the right qualities. His journey of getting to know her, learning from her, and being influenced by her could be what makes him the main character, even though the girl is the central figure in the title.
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.
The main character is likely the man who is building the perfect woman. He is the one driving the action in the story, making all the decisions related to the creation process.
I don't know as I haven't read the story. But based on the title, the main character is probably a gay male named Mr Perfect.
Since it's a web novel, there could be a group of friends around the perfect girl. These friends could have their own personalities and stories. One of them might be the comical relief character, always making jokes and lightening the mood. Another could be the loyal and brave friend who always stands by the perfect girl's side. And of course, there could be family members of the perfect girl as well, who play important roles in shaping who she is.
Since it's a fanfiction about a 'perfect stranger', it's likely that the main character is this stranger. But without reading it, it's hard to say more about who they are exactly.
There's no way to know exactly who the main character is just from the title 'My Perfect Life Novel'. It could be a male or female, from any background. Maybe it's a character who has always been on the outskirts of society and then finds a way to create a perfect life for themselves, or it could be someone who was born into privilege and has to redefine what a perfect life means to them.
Given that it's called the 'dorito girl story', the main character is probably a girl. She could be a normal girl from a small town who had an extraordinary experience related to Doritos. Maybe she was the one who found a new flavor of Doritos or was involved in a Doritos - related event that made her the center of the story.
The main character in the 'girl in the bunker story' is, as the name implies, a girl. However, without more details about the story, we can't know much about her. She could be a young girl from a small town or a city girl. Maybe she has certain skills or characteristics that are important for the story, like being brave or resourceful.