The main characters are most likely the sisters. But there could also be other supporting characters like people they meet during their travels, such as local guides, fellow travelers, or new friends they make along the way.
It could be about sisters who go on a journey. Maybe it's a story that follows their adventures during travel, with various characters they meet, places they visit, and challenges they face along the way in the context of a visual novel.
I have no specific information about the 'a3 visual novel' characters. However, in many visual novels, there are often diverse characters. There could be a young hero or heroine as the main character. Maybe there are some mysterious figures that are part of the 'a3' concept. They could be people with special abilities or knowledge that the main character has to interact with, either as allies or antagonists.
I don't have enough information to determine who the main characters in '707 visual novel' are. It could have a diverse cast of characters such as a brave hero, a cunning villain, and some interesting side characters.
Since I don't have specific information about this '999 visual novel', I can't tell you exactly who the main characters are. But usually in a visual novel, there are protagonists who drive the story forward, and there might be supporting characters like friends, family members, or antagonists who create conflict.
Since we don't know the details of '86 visual novel', we can't say for sure who the main characters are. They could be ordinary people living in a fictional world, or they could be heroes with special abilities. It all depends on the nature of the story which we don't know yet.
Since I haven't read it, I can't say for sure. But likely the sisters would be main characters, perhaps their parents or other family members could also be important characters in the story.
The main characters are likely to include the sister who is described as 'good'. There might also be her antagonist, who could be someone causing trouble in her life or in the family. And of course, there could be other supporting characters such as friends or neighbors who play important roles in the story, like providing advice or getting involved in the family's affairs.
As I haven't read this novel, I can't say for sure. But likely the two sisters are main characters. There could also be other supporting characters like their parents, friends, or love interests.
I don't have enough information to tell who the main characters are. But I assume there would be the good sister herself, and probably her family members like her parents, siblings, or maybe her friends who are related to the story in some way.
I don't know for sure as I'm not familiar with the novel. But I assume the night sister is one of the main characters.