Well, it's hard to say for certain. But if we think about it, the main characters might include the victims of the Black Death. After all, they are the ones directly affected by the plague. And of course, the healers or doctors who tried to treat them and wore those masks. There could also be people in the community who had to deal with the aftermath of the disease, like those who had to bury the dead. These could all potentially be main characters in the story related to the 'Mask of the Black Death'.
Since we don't have much information about this particular 'Mask of the Black Death Story', the main characters could be various. It could be the artisans who made the masks, as their work was crucial in providing some form of protection or symbol during the Black Death. The sufferers of the plague are also likely main characters, as the story would revolve around their plight. Additionally, the authorities at that time who might have been involved in trying to control the spread of the disease could also be part of the main characters in this story.
The main character is Kotaro Minami, who is Mask Rider Black. And there are the villains from the Golgom organization.
There might be a group of characters. The one with the black mask is obvious. There could also be a detective - like character who is trying to solve the mystery of the black mask and the strange events happening. And perhaps a young girl who stumbles upon the black mask by accident and becomes a target of the horror.
In the 'Black Mask Hole Story', if it's a mystery - type story, the main character could be a detective - like figure who wears the black mask to hide their identity while they investigate the strange hole. There might be a local who has some knowledge about the hole and its secrets, and they could be another important character. And perhaps there is a shadowy figure in the background who is somehow connected to the hole and the black mask, either trying to protect its secrets or use it for their own malicious purposes.
Since I don't know the exact 'the black mask horror story', it could have a brave protagonist who is trying to uncover the mystery of the black mask. Maybe there's also an antagonist who is somehow related to the black mask, like the one who created it or is using it for evil purposes.
Since I don't have specific knowledge about this novel, we can only make some educated guesses. There may be a protagonist who dons the black mask for some noble or not - so - noble reasons. There could be a sidekick or a love interest who helps or complicates the life of the black - mask - wearing character. And of course, there may be villains or authority figures who are in conflict with the main character.
The 'Mask of the Black Death Story' is likely about the Black Death, which was a devastating plague in history. It might involve the masks that were perhaps used during that time, either as a form of protection or having some symbolic meaning related to the plague.
There could be a family at the center of the story. Maybe a father who is trying to protect his family from the plague. A mother who is taking care of the sick children. And perhaps a young protagonist who is observing all the chaos and changes around them, learning about life and death in the face of the Black Death.
I don't know specifically since I don't have the full details of this 'the black death game story'. But they could be survivors of the plague, doctors trying to find a cure, or even villains taking advantage of the chaos.
Maybe some criminals are also main characters in a sense. Their actions and attempts to evade the law create the conflict in the stories. For instance, a mastermind criminal who devises elaborate schemes that the detective has to figure out.
There are probably detectives as main characters, as it's a collection of crime stories. They might be tough and resourceful.