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.
The main character is the princess for sure. But in addition to that, there may be her best friend, who could be a commoner girl that gives her different perspectives on life outside the palace. There might be an old wizard who serves as her mentor, guiding her with his wisdom. And there could be a group of rebels who initially oppose the princess but later come to see her true leadership qualities.
Well, without playing it, it's hard to say exactly. But it might focus on the princess's journey to become a great leader. It could include her relationships with different characters like knights, advisors, and commoners. There could be a plot where she has to face some sort of threat to her kingdom and has to use her wits and charm to overcome it.
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.
Since it's a 'princess monochrome visual novel', the princess is bound to be a central figure. There could be other characters like her loyal servants or courtiers who play important roles. Maybe there's an antagonist, perhaps a rival princess or a dark sorcerer who wants to disrupt the order of the monochrome kingdom. And of course, there might be some common folk characters to show the life in the kingdom.
Obviously, Princess Arthur is one of the main characters. There may also be a loyal knight who is always by her side, protecting her and offering his combat skills. And perhaps a wise old wizard who guides her with his magic knowledge and advice.
Obviously, the pirate princess herself is a main character.
I don't know for sure, but since it's about a princess, she's probably a main character. There might also be a prince or a wizard to help or oppose her.
The main character is usually a male protagonist who is involved with the princess. And of course, the princess herself is a main character. There may also be other supporting characters like the princess's attendants or the protagonist's friends.
In 'princess guard visual novel', the princess is surely a main character. She could be a damsel in distress or a strong - willed leader in her own right. The guards are also main characters. They might come from different backgrounds, some could be noble - born, others might be self - made heroes. There could also be antagonists, like those who try to harm the princess or undermine the guards' efforts.
I don't know for sure, but likely the moon princess herself would be a main character. There might also be a love interest for her, perhaps a prince from another land or a brave warrior.
I'm not sure specifically as I don't have detailed information about this visual novel. But it's likely to have the princess as a main character. There may also be a prince or other noble characters.