There could be a variety of main characters. Maybe a brave knight who is on a quest to find the demon sword to protect his kingdom from an unknown threat. There might also be a sorceress who has knowledge about the sword and its powers and tries to guide or manipulate others in relation to it. Another possible main character could be a mysterious figure who has a hidden past related to the creation of the demon sword.
In a 'trapped demon visual novel', the main characters are likely to be the demon at the center of the story. There might also be a hero - like figure who is either responsible for the demon's trapping or is on a quest to free it. Additionally, there could be other demons or supernatural beings who are either allies or enemies of the trapped demon, and they would also play important roles in the narrative.
In 'Demon Sword Master of the Holy Sword Academy Novel', the Demon Sword Master is the central figure. There may be a wise old mentor type character in the academy who imparts knowledge to the Demon Sword Master. There could be a group of elite students who consider the Demon Sword Master a threat to their status quo. Also, there might be a character from the outside world who has some connection to the origin of the demon sword and enters the story later on, adding more depth and mystery to the plot.
Chris is the central figure in this visual novel as the demon master. However, there may be other supporting characters that play significant roles. For example, there could be a rival demon master who challenges Chris. And among the demons, there might be a particularly powerful or intelligent one that serves as a key character. There could also be a character from Chris's past, like a family member or an old acquaintance, who has an impact on his actions as a demon master.
The main characters could include the demon, of course. Then perhaps there's a human character who has a special connection to the demon's quest. Maybe they are a descendant of someone important in the demon's past, or they hold a key to a place the demon needs to reach. Additionally, there might be a group of supernatural beings that are either helping or hindering the demon's journey.
The main character is the demon sword master. Among the other key characters, there is a mysterious old man who seems to know a great deal about the demon swords and their history. He often gives the main character some crucial advice. Then there are the group of students who form the main character's circle of friends. They each have their own unique abilities, like one who is really good at defensive magic and another who has extraordinary speed, and they all play important roles in the story.
I'm not sure specifically as I haven't read the novel. But we can assume that the demon sword master is one of the main characters. There might also be other characters like teachers in the Excalibur Academy, or fellow students who play important roles, either as friends or rivals of the demon sword master.
Well, it could be that Demon Sword Visual Novel tells a story set in a fantasy world. The demon sword might be a central element around which the whole narrative revolves. It could involve battles between different factions who want to control the sword for their own purposes. There might be heroes and villains, and the choices made by the player (if it has that feature) could determine the outcome of the story, like who gets to wield the sword in the end or how the world is affected by its power.
Perhaps there is a villain who is also after the power of the sword. And there might be a wise mentor figure who guides the main character in understanding the true power of the sword. There could also be other supporting characters like friends or family members of the protagonist.
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.