There might be characters who are affected by the tyrant's previous actions. For example, those who were oppressed. They could be important characters as they would be part of the context in which the tyrant's transformation takes place. Maybe there are also advisors or confidants of the tyrant who play a role in this journey of wanting to live honestly.
One main theme could be redemption. As the tyrant wants to live honestly, it implies a desire to atone for past wrongs. Another might be self - discovery, as the character is changing their way of life and in the process, learning more about themselves.
The main themes in 'the villainess just wants to live in peace novel' are likely to be survival and peace. The character is in a situation where she has to find a way to survive in a world that might be hostile to her because of her 'villainess' label. Peace is what she desires, so it's a major theme. Additionally, there could be a theme of identity. She has to redefine who she is and show that she's not the typical villainess, which is also an important aspect of the story.
The villainess herself is surely one of the most interesting. Her determination to break away from the expected villainous path and seek peace makes her stand out. Maybe there's also a love interest who is interesting because he has to deal with her new - found goal of peace instead of the usual villainess behavior. And perhaps a sidekick or a friend character who helps her in her journey to live in peace.
Perhaps it's a way for the author to explore different themes and challenge conventional character archetypes. The decision for her to be a villainess might be to create tension and drama in the manga's narrative.
Well, in 'villager wants to save the villainess novel', perhaps the villager has a moral obligation that drives him or her to save the villainess. The story could explore themes like redemption. The villainess might have been misjudged by society, and the villager is the only one who believes in her innocence or potential for change. This could lead to an adventure where they face various obstacles together, both from those who oppose the idea of saving her and from the villainess's own past actions catching up with them.
Villain Just Wants to Live was a sci-fi web novel written by the lazy Flying Snow. The novel told the story of the male protagonist being forced to become the strongest villain. He only wanted to live, but he was always fueled by various bizarre events. This novel had been updated to 324 chapters, and the latest chapter was chapter 324, Little White, can you change back? (Finale). The novel was published on Qidian Chinese Network and was categorized as a fantasy magic novel.
Obviously, the villager and the villainess are the main characters. There might also be other supporting characters like the villagers who oppose the idea of saving the villainess, or some characters related to the villainess's past who try to stop the villager from his mission.