Since we have no information about this particular novel, we can only speculate. There might be a host or hostess of the luncheon. There could also be guests who are friends, family members, or perhaps business associates. Maybe there is a young, charming character who brings some liveliness to the party, and an older, wiser character who provides some sage advice during the luncheon.
I'm not sure as there may not be a widely known novel specifically named 'Luncheon of the Boating Party Novel'. It could be a very niche or self - published work. Without more information, it's difficult to determine the main plot.
I don't know as I haven't read the story. But they could be the host and guests of the luncheon.
I'm not sure specifically as the story isn't described in detail. But generally, there could be a host, who might be a gracious or perhaps a nervous person. And then there could be guests, like a charming guest who is the life of the party, or a rather reserved one who observes more than participates.
Since I haven't read 'the after party novel', I have no idea about the main characters. But usually in a novel, the main characters are those who drive the story forward. They could be the party organizers, or some special guests who have their own stories and motives.
I don't know as I'm not familiar with this particular novel. But typically in a dinner party - themed novel, there could be the host or hostess as a main character.
I don't know the exact characters as I haven't read the book. But there would probably be the party girl herself as the main character. There might also be her friends who she parties with, and perhaps some love interests she meets at parties.
Since it's called 'Francesca's Party', Francesca is probably a central figure. There may be a best friend character who helps her with the party preparations. And perhaps there's an antagonist, like a rival or someone who tries to disrupt the party, which would make for an interesting story dynamic.
Without knowing the exact 'house party light novel', it's hard to determine the main characters precisely. However, common types of main characters in such a setting could include the person throwing the party, who might have their own motives and backstories related to the event. There could be a group of friends with different personalities and agendas for the party. Maybe there's a character who is an outsider or new to the group but gets drawn into the party's chaos and becomes an important part of the story. There could also be a character who has a secret or a problem that is revealed or resolved during the course of the party.
Since it's about the Donner Party, likely some of the main characters would be George Donner and his wife Tamsen. They were leaders in the group. There might also be other families' members who played important roles during the journey, such as James Reed.
One of the main characters is Satoshi Mochida. He's a key figure in the group of students who get trapped in the terrifying situation.