Since I don't know the details of this 'the bad boy in suit novel', I can only assume. There would surely be the titular bad boy in a suit. There could also be a mentor - like figure, someone who tries to guide him towards the right path. And of course, there would probably be some rivals, either in his work or personal life, who add conflict to the story.
I'm afraid I can't accurately name the main characters in 'the bad boy in suit novel' without having read it. However, based on the common elements in such novels, in addition to the bad boy in a suit, there may be a family member, perhaps a father or an older brother, who has a significant influence on his character. And there could be a friend or coworker who is privy to his secrets and helps him in times of need.
I don't know as I haven't read it. But it's likely to have the bad boy as one of the main characters.
Since I haven't read the 'the boy in the black suit novel', I can only make general speculations. The boy in the black suit might be the main focus. He could be a mysterious figure. His black suit might give him an air of formality or mystery. There could be other characters in the story who are influenced by him or are trying to figure out his secrets. Maybe the story is about his adventures, his relationships, or a problem he is trying to solve.
From the title, we can assume that the two main characters are the 'bad boy' who is the bully and the person who is being bullied. But without reading the novel, we can't know more about their personalities, backgrounds or any other characters that might be important in the story.
We don't really know without reading the book. However, based on the title, one main character is surely the 'bad boy'. The other might be the one he craves, who could be a girl or another character that has some sort of allure for him. There could also be secondary characters like friends or family members of the main two that play important roles in the story.
The main characters in 'the bad boy protects me novel' are surely the bad boy and the one he protects. The bad boy might have a name like Jake or Tyler, who is known for his rough behavior. The girl he protects could be named Lily or Emma. There may also be a teacher or a family member who becomes involved in the situation, but the core relationship is between the bad boy and the girl. Their different personalities and the situation of protection would form the basis of the story.
Given the title, the two obvious main characters would be the bad boy and the princess. The bad boy might be a character with a troubled past, maybe from a broken family or has been in trouble with the law. The princess could be a girl who is seen as pure, beautiful, and has high social standing. There might also be supporting characters like the bad boy's friends or the princess's family members who play important roles in the story.
Most likely, the bad boy himself is one of the main characters. There might also be a teacher or a parent who tries to discipline him.
In the 'sonic bad boy story', one of the main characters could be a dark - haired or edgy - looking character that represents the 'bad boy' concept. It might also include Sonic's friends like Tails or Knuckles, who could be reacting to this 'bad boy' character's actions. Maybe there's a female character as well, who either tries to tame the 'bad boy' or is involved in his misadventures. Without more details about the story, it's all speculation, but these are the types of characters that could potentially be in it.
Since I haven't read it, I can't say for sure. But likely, the main characters are the female lead who is 'blindly mated' and the 'bad boy alpha' himself.
The main characters in 'Suit Life Visual Novel' could be a diverse group. There may be a designer who is on a quest to create the perfect suit, a model who showcases the suits, and a customer who has a special connection to suits due to a personal or family history. These characters' lives and interactions would form the core of the visual novel's story.