One of the most interesting characters is the villainess's mentor, if she has one. This character can guide her in unexpected ways, leading to her growth. The villainess's family members can also be really interesting. Their reactions to her actions, whether they support or oppose her, can shape the story. And any magical or supernatural beings in the novel can bring an element of mystery and intrigue to the story.
In my opinion, the villainess stands out as a very interesting character. She starts off as a marionette, but as the story progresses, we see her struggle to take control of her own life. There might be a wise old mentor type of character who is also interesting. This character could provide guidance to the villainess, but also has their own hidden motives. And then there could be a rival character to the villainess, who is constantly trying to undermine her and their interactions would be full of tension and drama.
The villainess is the most captivating character. She has to navigate a world that is set against her, yet she finds ways to fight back. Her inner thoughts and her growth throughout the novel are really interesting to follow. Another interesting character is the antagonist who constantly tries to keep the villainess in her 'villainess' role. Their cat - and - mouse game is exciting to read. And then there are the friends or allies that the villainess makes along the way. Each of them has their own motives and backstories, which add depth to the overall story.
I think the villainess herself could be really interesting. She's likely to have complex motives and a unique personality. Maybe she's not a typical 'bad guy' but has her reasons for her actions.
Well, the protagonist, the villainess, is surely one of the most interesting. She has to break free from the expectations set for her as a villainess. The side characters who are friends or foes of the villainess can also be fascinating. They may have their own motives and secrets that interact with the villainess's story. For example, a character who initially seems like an enemy but later turns out to be an ally would be quite interesting.
The villainess herself is quite interesting. She breaks the mold of the typical villain. Then there's the protagonist who favors her, which is an unusual relationship. Their dynamic together makes for an interesting read.
One of the most interesting characters can be the original heroine of the story. In 'reincarnated as a villainess fanfiction', she might be portrayed in a different light. Maybe she's not as perfect as she seemed in the original. The villainess's family members are also interesting. For example, a brother who is overprotective in the original story might become an ally in the fanfiction. And let's not forget the mysterious wizard or mage characters who might have a role in the reincarnation process or help the new - turned - good villainess along the way.
Well, in 'the one within the villainess novel', I think a key theme is identity. The villainess has to figure out who she really is, separate from the role society has cast her in. Also, there's the theme of revenge. She might be seeking revenge against those who wronged her in the past. And of course, friendship can be a theme too. She could form new relationships that help her change.
The villainess herself is surely one of the most interesting characters. Her backstory as a villainess and her journey in prison to perhaps change or adapt is captivating. Another could be the prison warden. They might have their own motives and ways of running the prison that interact with the villainess's story. And also, there might be a fellow inmate who befriends the villainess and helps her understand the ropes of prison life.
The protagonist herself is very interesting. Her transformation from a villainess - to - be into someone trying to change her fate is captivating. Then there's the male lead. His relationship with the protagonist and his own character development, like his hidden depths and how he falls for the new - version of the protagonist, are quite engaging.
The villainess is the most captivating character. Her motives, her actions, and her transformation (if any) throughout the story make her stand out. The main character is also interesting as they break the mold by loving the villainess. They must have a certain courage and open - mindedness. Additionally, any antagonists who oppose the relationship can be quite interesting. They might be the ones who uphold the traditional views and try to keep the protagonist and the villainess apart, which adds conflict to the story.