I don't know as I haven't read the book. It could be a detective or a lawyer who is trying to uncover the secrets of this special justice.
In 'one hero's justice secret story', the main character is surely the hero. This hero could be a regular person who has been thrust into extraordinary circumstances. There may be a love interest who adds an emotional dimension to the hero's journey. Additionally, there could be a corrupt official or a powerful criminal as an important character. This character would be in conflict with the hero, and the hero's attempts to bring them to justice could be a central part of the secret story. There might also be a mysterious figure who provides clues or assistance to the hero at crucial moments, further complicating the web of relationships and events in the story.
The main characters include members of the Justice League like Batman, Superman, and Wonder Woman.
Perhaps there is a young, idealistic lawyer who is the central figure in the 'justice web novel'. This character might face a lot of challenges in the courtroom while trying to uphold justice. There could also be some supporting characters like a wise old mentor who guides the lawyer in his journey for justice. And then there could be the antagonists, like corrupt officials or criminals who try to undermine justice.
Since I don't know the specific 'justice graphic novel', it's hard to say. But it could have characters like a fearless detective, a wrongly accused person fighting for their innocence, or a superhero - type figure who defends the weak and enforces justice.
It's possible that there is a character who has a personal vendetta against the unjust system and is on a mission to change it. This could be a journalist who is trying to expose the truth. There might be a police officer who is conflicted between following the rules and doing what is truly right in the context of this dark world. And there could be a powerful figure in the underworld who is trying to maintain the status quo of injustice, and these characters all interact in the story of the novel.
The main characters are the seven members of the Secret 7 club.
There might be a female lead who is at the center of the secrets. For example, she could be a woman with a past she is trying to hide, and her actions and relationships are shaped by this need to keep things in secret.
Superboy is one of the main characters. He has super - strength and other Kryptonian - like abilities.
Superman is one of the main characters. He has super strength, flight, and heat vision.
I don't know for sure, but it's likely that Lady Justice herself is one of the main characters.