Since I haven't read the novel, I can't say for sure. But likely the secret daughter herself is a main character. There may also be her parents or the people who knew about the secret.
In 'the secret daughter's return novel', the main character is surely the secret daughter. She's the one driving the plot with her return. Besides her, there could be her biological family members, like her mother and father. There might also be other characters who were involved in keeping her a secret or those who will be affected by her return, such as siblings she might have or family friends who knew part of the story.
I don't know for sure, but there's probably the daughter herself as a main character. There might also be her parents or other family members who are related to the secret.
It depends on the specific story. It could be the mother who has kept the daughter a secret, perhaps out of fear or shame. Another main character could be the daughter herself, as she discovers the truth or deals with the consequences of being a secret.
I'm not sure specifically as I haven't read this novel. It might be about a daughter who has been kept secret for some reason and then returns, perhaps to her family or to a place she has a connection with.
The 31st to 62nd episodes of " The Return of the Agent's Daughter " had ended.
Perhaps there is a best friend who tries to reach out to the dejected daughter but is constantly shut out. This friend could play an important role in trying to understand what's going on with the daughter and why she is so withdrawn in her secret bedroom. Another character could be a sibling who either teases the daughter, adding to her dejection, or is sympathetic and tries to help.
Obviously, the dejected royal daughter would be one of the main characters. She is the center of the story as it's her secret bedroom. There could also be her maidservant who might be the only one aware of her true feelings and the things she does in her secret bedroom.
Well, the forsaken daughter herself is surely a main character. And there might be her family members, such as her parents or siblings who were involved in the situation of her being forsaken and will be affected by her return.
The main character is surely the king's daughter. There could be other characters like her mother, the queen, if she is present in the story. Maybe there is a villain, someone who wants to harm the king's daughter or the kingdom. And there might be a loyal servant or friend of the daughter who helps her through difficult times.
Obviously, the general's daughter is one of the main characters. There may also be the general himself, who would play an important role in shaping the daughter's life. And perhaps there are other military personnel or family friends that are central to the story.
Not having read the book, we can only guess. The calligrapher's daughter must be a central figure. There could be the calligrapher as a key character too. Maybe there are other people like the daughter's siblings if she has any, or a mentor figure who helps her understand the world of calligraphy or something else related to her life.