There might be a character like Charlotte's best friend. This person could be there to support Charlotte during her adventures, or they could have their own sub - plots. Maybe it's a character named Tom who is really good at solving puzzles and often helps Charlotte when she's in a tight spot.
Charlotte is likely one of the main characters. She's probably at the center of all the stories.
There could also be an antagonist in Charlotte Stories. It might be a grumpy old man who doesn't like the changes Charlotte is trying to bring to the town. He's always trying to stop her from doing good things, but in the end, Charlotte always manages to overcome his objections through her perseverance and positive attitude.
There could also be her friends. For example, a best friend who always taste - tests her new smoothie creations and gives her honest feedback. This friend might be really important in helping Charlotte improve her smoothies.
Yuu Otosaka is one of the main characters. He has a special ability.
The main character is Yuu Otosaka. He has the power to possess others briefly. There's also Nao Tomori, a girl who is part of the organization dealing with those who have special abilities. Ayumi Otosaka is Yuu's sister.
Obviously, Charlotte and the monster are the main characters.
Queen Charlotte herself is likely to be a main character. There might also be fictional characters created for the story, like a young servant who has a special connection with the Queen.
Since I don't have in - depth knowledge of the Charlotte Visual Novel, it's hard to name the exact main characters. However, in most visual novels, there is often a central character around whom the story revolves. There may also be supporting characters like friends, family members, or rivals who play important roles in the development of the story.
Since we only have the name 'charlotte monster story', we can assume that Charlotte is likely one of the main characters. And of course, there's the monster. But there could be other characters too, like Charlotte's friends or family members who might be involved in the story, perhaps trying to protect Charlotte from the monster or helping her deal with the situation the monster brings.
Obviously, Queen Charlotte is a central character in the 'Queen Charlotte' novel. Her husband would be an important figure as well, as their relationship would have a great impact on the story. Courtiers, who were part of the royal court, would also be significant. They might be friends, foes or advisors to Queen Charlotte. Servants could also be main characters in a way, as they would provide a different perspective on the goings - on in the palace and their interactions with Queen Charlotte could reveal aspects of her character.
Occasionally, there are characters who act as catalysts for change or self - discovery. These can be friends or family members who either help the main character realize their situation or push them towards breaking free from the oppressive circumstances.
Obviously, Queen Charlotte is one of the main characters. There might also be other characters related to her court or family.