In this 'bought by the demon lord before the ending novel', the demon lord is obviously a central character. He might be portrayed as cruel, cunning, or having some sort of tragic backstory that led him to this behavior. The character that is bought is also a main character. Their personality could be one of defiance, or they could initially be scared but gradually grow stronger. There may also be a mentor - like character who tries to help the bought character, or an antagonist among the demon lord's court who opposes the bought character's presence.
Well, perhaps in this 'bought by the demon lord before the ending novel', the plot might revolve around the protagonist's struggle within the demon lord's domain. They could be trying to escape, or maybe they end up finding a way to change the demon lord's evil ways. Since it's before the ending, there's likely a lot of build - up towards a final confrontation or resolution.
The main character is the demon lord himself. He is a powerful and complex figure. There are also other characters like the various races' leaders who interact with him, such as the elven queen who has her own motives and agendas when dealing with the demon lord.
I'm not sure about all the main characters. But of course, the demon lord is likely one of the main ones.
Another key character could be the mysterious figure who seems to have some knowledge of the Demon Lord's past and the reasons behind his retry. This character often appears at crucial moments, dropping hints and guiding the Demon Lord in a way, and their true identity is one of the mysteries that keeps readers interested.
In the 'Demon Lord Reincarnated as a Nobody' light novel, the primary character is the demon lord who has taken on a new, ordinary identity. Alongside him, there could be a young adventurer who befriends him, not realizing his true nature. There might also be an old wizard in the village who senses something different about him. And don't forget about the local tavern owner who serves him and becomes a part of his new life story, each character adding depth and complexity to the overall narrative.
The protagonist is the most important character, of course. He is the one who is wrongly identified as the demon lord. There are also likely other characters such as his friends or allies who support him in his quest to prove his true identity.
Obviously, the demon lord is one of the main characters. They are likely to be at the center of the story, driving the plot forward with their actions and decisions.
Obviously, the demon lord is one of the main characters. There might also be his closest minions or advisors who play important roles.
In the 'birth of a demon lord arc', the main characters could also include those with a connection to the demon lord's past. For instance, a long - lost friend or family member who tries to bring the character back from the brink of becoming a full - fledged demon lord. Or it could be a magical being, like a wizard or a witch, who has knowledge about the birth process and tries to manipulate it for their own ends.
As I'm not familiar with this specific light novel, it's hard to say who the main characters are. But it's likely that there is a demon lord character at the center of the story. There may also be characters who oppose the demon lord, like a group of brave warriors or mages. Maybe there's a special character who has a connection to the demon lord from the past or something like that.