It could be two artists who use cardboard as their medium. They might be main characters in a 'cardboard love story' where their shared passion for creating art with cardboard leads to love. Maybe they collaborate on a big cardboard installation and during the process, they fall in love with each other's creativity and then with each other.
Since it's a graphic novel about a cardboard kingdom, the main characters could be those who first discover or build the kingdom. Maybe there's a young boy or girl with a vivid imagination who starts it all. Then there could be their friends who join in and each have their own unique role in the kingdom, like the builder, the artist who decorates the cardboard structures, and the storyteller who keeps the spirit of the kingdom alive with their tales.
Since I haven't read it, I can't say for sure. But typically in a graphic novel, the main characters are those who drive the story forward. They could be the so - called 'cardboard kings' themselves or characters closely related to them.
I'm not sure specifically as there could be many 'cardboard love stories'. It might be a story where the characters use cardboard in some significant way within the context of love, like maybe they build something out of cardboard together that symbolizes their relationship.
Well, without more context, it could be anyone. It might be a young couple from different social classes, like Romeo and Juliet.
Since we don't have much information about the '1960 love story', it's hard to say who the main characters are. They could be ordinary people, like a factory worker and a schoolteacher.
I'm not sure as the title doesn't give away the main characters directly. But it could be a couple who are caught up in the events of 1984 while experiencing love.
I'm not sure as I don't have specific information about this. It could be athletes or people related to the sports world who are central to the love story.
Since I don't know the details of this '1923 love story', I can't say for sure who the main characters are. It could be a young man and a young woman.
I don't know who the main characters are in '1940 a love story' without more information.
Since I don't know the specific '1980 love story', I can't say for sure who the main characters are. They could be two young people, perhaps a boy and a girl.