I don't know as I haven't read the novel. It could be a man and a woman if it's a love story, but that's just speculation.
Since I'm not familiar with this 'As Long As We Both Shall Live' novel, it's hard to tell its exact content. However, the title makes me think it might revolve around two characters and their journey together, maybe through different life challenges while remaining together for a long time, like a relationship - centered story.
Since I don't know the specific 'long live summons novel', I can't name the exact main characters. But typically, there might be a young and talented summoner as the protagonist. This character would be on a journey to discover more about summons and their power.
There's no way to tell who the main characters are in 'we live graphic novel' without more details. They might be a group of friends, a family, or even strangers brought together by some event or situation. It all depends on the plot and the vision of the creator of this graphic novel.
I'm not sure without reading the story, but it could be a person who has a special connection to the grass, like a farmer or a nature lover.
It's possible that there are no specific human characters, and instead the grass itself could be considered the main 'character'. The story could be told from the perspective of the grass, detailing its growth, its interactions with the elements, and how it impacts the surrounding ecosystem.
The princess is surely a main character. Then perhaps there are some loyal servants or guards. They would play important roles in protecting the princess and assisting her in her daily affairs and in times of crisis. There could also be a villain, like an evil sorcerer or a power - hungry noble who wants to dethrone the princess.
Yes, it's quite good. The story and art are both appealing.
Again, without more specific information about this 'Long Live the Queen Story', it's hard to say. But if it's about a historical queen like Queen Elizabeth I, she would be a main character. People like her courtiers, advisors, and maybe her rivals could also be main characters.
It could be the main protagonists from the original work that the fanfiction is based on. For example, if it's a fanfic of a superhero story, it might be the superhero and their love interest.
One of the main themes is probably self - discovery. The protagonist living as a prince would likely go through a journey of understanding their new identity and the responsibilities that come with it. Another theme could be power and influence. As a prince, they would be in a position of authority and would have to navigate the political and social aspects of that power.