Villager a might be aware of a greater conspiracy in the novel world. He realizes that the villainess is just a pawn in someone else's evil plan. By saving the villainess, villager a could be trying to disrupt this conspiracy and bring justice to the world of the novel. Another possibility is that villager a has fallen in love with the villainess. Love can make people do crazy things, and in this case, it might be the driving force behind villager a's desire to save her.
Maybe villager a sees the good in the villainess that others don't. There could be a hidden kindness or a tragic backstory that villager a has discovered.
Maybe the villager discovers the villainess' hidden good side and decides to help her change. That could be a way.
Well, villager a might need to form an alliance with some influential characters in the novel. For example, if there are powerful knights or wise mages, getting them on the side of the villainess could be a good start. And also, villager a should communicate with the villainess herself, to find out her true nature and what she really wants. This way, villager a can better plan how to save her.
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.
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.
There could be antagonists too. Maybe there are powerful nobles or some self - righteous individuals who are determined to keep the villainess in her 'bad' position. These antagonists would create more obstacles for the villager in his or her mission to save the villainess. The villainess herself is also an important character. She may start off as a seemingly cold or mean person but as the story progresses, her true nature is revealed through the villager's efforts.
Well, without having read it specifically, usually in such a plot, the villager might see the so - called 'villainess' in a different light than others. Maybe the villager discovers that she's been misjudged by society. For example, she could be a victim of false rumors or misunderstandings.
Maybe it's because of some complex plot twists and character developments that force her into that role.
Maybe it's because of a curse or some kind of fate. That's a common trope in such stories.
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, being a villager in a light novel often means you're part of a simple community, maybe leading a quiet life or getting involved in unexpected adventures.