As I haven't read the novel, I can't say for sure. But it could have a male and a female lead, where the male lead is the one with the 'you should be mine' attitude towards the female lead.
The main characters in the 'you should be mine novel' could be two people from different backgrounds. One might be from a wealthy family and the other from a more humble one. And the story could revolve around how the character from the wealthy family, believing the other should be 'mine', tries to bridge the gap between their worlds while facing various challenges and conflicts that arise from their different social standings.
Maybe there is a strong - willed protagonist who wants to claim someone special as their own. There could also be secondary characters like friends or family members who either support or oppose the main character's quest to make someone 'mine'. Without reading the novel, it's difficult to be more precise about the main characters.
I don't have information about the main characters in 'be mine novel' as I haven't read it.
Since I haven't read the novel, I can't say for sure. But it's likely that there are at least two main characters, one who has the desire for the other to be 'mine' and the other who is the object of that desire.
Another possibility is that there are multiple main characters. For instance, there could be a group of characters from one side who consider another group as enemies. Among these groups, there could be leaders or key individuals who play important roles. One character might be a strategist who devises plans to defeat the 'enemy', while on the other side, there could be a character with special skills or knowledge that gives their side an edge. And as the story progresses, their relationships and the power dynamics between them could shift in interesting ways.
Since I haven't read the novel, I can't say for sure who the main characters are. They could be a young person who discovers their talent is being targeted, and an antagonist who wants to take that talent for their own gain.
Since I don't have detailed knowledge of the 'heaven will be mine visual novel', we can assume there might be a central character who is on the journey towards the concept of 'heaven' in the story. There could also be supporting characters like friends, mentors or antagonists who either help or hinder the main character's progress.
Since the title is 'She's Mine novel', we can assume there is a protagonist, probably a male, who is deeply involved with the 'she' in the story. There might be a group of friends or family members around them. Maybe there's an antagonist, like another person who also has feelings for the girl and tries to come between the main couple. Without reading the novel, it's hard to say exactly who all the main characters are, but these are some common types of characters we might find.
It's possible that the main character is a man. He might be going through a mid - life crisis or trying to achieve a long - held dream. Along the way, he meets other characters such as a co - worker who becomes his friend, and a mysterious stranger who sets off a chain of events that changes his life.
Since we don't have much information, it could be a female lead character. She might be on a journey to find herself or fulfill a certain goal. There could also be a male character who serves as a love interest or a mentor figure. Another possibility is that there are a group of friends as main characters, and the story shows their adventures and how their relationships develop over time.
I'm not sure as I haven't read the novel. But it could be a pair of characters, perhaps a protagonist and an antagonist. The antagonist might be the one who claims 'your life is mine', while the protagonist is the one whose life is in jeopardy.
Since I haven't read the 'one day you'll be mine novel', I can't tell for sure who the main characters are. But usually in this kind of novel, there is a protagonist who is likely to be the one with the strong desire for the other person. And there might be a love interest, perhaps with their own set of values and dreams. There could also be side characters like friends or family members who play important roles in either supporting or hindering the relationship between the main characters.