I'm not sure specifically as it depends on the particular fanfiction. It could be characters from the original source material that the fanfiction is based on, but without reading it, it's hard to say.
It's also possible that the author of the fanfiction creates new characters in addition to using existing ones. These new characters could play important roles in the 'painting it black' concept, perhaps being the ones causing the 'blackening' or being affected by it in unique ways.
Well, obviously the sisters are the main characters. But without more context about this specific fanfiction, it's hard to say exactly who they are in terms of their personalities and traits.
Since I don't know the specific 'black sunset fanfiction', it's hard to say. It could be original characters created by the fanfiction writer, or it could be characters from an existing franchise that the fanfiction is based on.
Obviously, the Black Arrow himself is a main character. He is usually depicted as a skilled archer and a brave fighter.
Obviously, the Black Bunny is a main character. But there could also be other characters like its sidekick, perhaps a little mouse or a bird that helps the Black Bunny in its adventures. Another main character could be the antagonist, like an evil wizard or a powerful monster that the Black Bunny has to face.
Well, obviously the Black Healer is one of the main characters. They are the center of the story with their healing abilities.
Well, obviously the black heir is one of the main characters. Their actions and decisions drive a lot of the story.
It could be a young protagonist who is brave but also has a lot to learn. This character might be the central figure in the story.
In some fanfictions, there could be a mechanic or engineer who is an important part of the Black Squadron's operations. This person keeps the ships in top - notch condition and might have a special bond with the pilots, providing them with technical support and advice during missions.
Since I don't know the specific 'assassin of black fanfiction', I can't say for sure. But it might have an assassin as the main character, perhaps with some side characters like the targets, allies, or rivals.
I don't know as I haven't read it. It could be a young protagonist who discovers the black apple.