Since I haven't read the novel, I can't say for sure who the main characters are.
I'm afraid I don't have information about the main characters of this light novel as I'm not familiar with it. It could be two young people, perhaps a boy and a girl, who are in this unique relationship situation described by the title, but that's just speculation.
I'm not sure specifically as I haven't read this light novel in detail. But generally, it might be about a relationship that is more than just being friends (more than a couple in a sense of being closer than ordinary friends) but not quite lovers yet. It could explore the in - between stage, the emotions, and the situations that the characters face in such a relationship.
Since I haven't read it, I can't say for sure who the main characters are. But usually in a light novel about lovers, there would be the two lovers themselves as the main characters. They could be named something unique and have distinct personalities that play into the strategic aspect of the story.
In the 'Couple of Cuckoos' light novel, the main characters are the boy and the girl who were victims of the baby - switching. Their lives get intertwined in various ways as they discover the truth about their birth. There are also other supporting characters like their family members and friends who play important roles in the development of the story.
It's quite interesting. The story has unique plotlines and engaging characters.
Snow White is surely a main character. Regarding the seven lovers, they might be diverse characters. They could be brave knights who have fallen for Snow White's beauty and kindness. Or perhaps they are wizards or elves with their own unique powers and personalities, all of whom are drawn to Snow White for different reasons. Maybe one of them is a commoner who has a special connection with Snow White, adding an interesting dynamic to the story.
The first season of Goodbye Lover was a tour group composed of Zhang He and Guo Keyu, Wei Wei and Tong Chenjie, Wang Qiuyu and Zhu Yaqiong; the second season was composed of Chen Meiling and Ai Wei, Su Shiding and Lu Ge, Zhang Wanting and Song Ningfeng; the fourth season was composed of Huang Shengyi and Yang Zi, Mai Lin and Li Xingliang, Ge Xi and Liu Shuang.
I'm not sure as I haven't read it, but usually in such novels, there are two main characters at the center of the relationship that is 'more than a married couple'.
The main distinction is that married couples in manga tend to have a deeper sense of commitment and a shared life. Lovers might be in the process of figuring out if they want that level of commitment. Also, the way they express love and handle conflicts can vary significantly.
I don't know as I haven't read the novel. But typically, it would be the two lovers around whom the story is built.
One of the main themes is the complex relationships. The interactions between the female lead and the vampire brothers are full of power dynamics, love - hate elements, and psychological twists.