I'm not sure specifically as I haven't read the 'life after life novel'. But they could be ordinary people who are thrust into extraordinary circumstances related to their multiple lives.
Since I haven't actually read the 'life after life novel', I can only speculate. There could be a central character who is on a quest to understand their multiple existences. Maybe they are joined by friends or family from past lives, or they encounter new characters in each new life who help or hinder their journey. There might also be some kind of antagonist, like a force that tries to disrupt the natural cycle of life after life for their own purposes.
Typically, in a novel titled 'Life After Life: A Novel', there would be a protagonist who is at the heart of the story. This character is likely to be the one going through the different lifetimes. There might also be supporting characters such as family members or friends who play important roles in different lives of the main character. They could influence the main character's decisions or be part of the circumstances that shape each new life.
I'm not sure as I haven't read the book. But typically in a novel about life after death, there could be a protagonist who has recently passed away and is now navigating the afterlife. There might also be some sort of guide or mentor figure who helps the protagonist understand this new realm.
I'm not sure specifically as it depends on the fanfic. But usually, it could be the protagonist from the original work that the fanfic is based on, along with their closest friends or family members.
One of the main characters in a 'life after life' novel might be the protagonist who experiences multiple lifetimes. This character often has a strong sense of self - discovery as they navigate through different eras and situations. Another character could be a guide or a spiritual entity that helps the protagonist understand the nature of their repeated lives. Also, there are usually supporting characters in each lifetime that play important roles in the protagonist's growth and learning, such as friends, family members, or enemies.
The war emperor himself is surely a main character. He is the central figure whose post - retirement life we are following.
One of the main themes is likely the exploration of identity. Through the concept of 'life after life', the novel may show how a character's sense of self evolves or changes with each new iteration of their life. It could also touch on themes of fate and free will, as the different lives might be shaped by both external forces and the character's own decisions.
The main theme could be about the concept of reincarnation. It might explore how a soul experiences different lives and what it learns from them.
I don't know since I haven't read the novel. Maybe it has characters who are on a journey to discover the connection between this life and the next.
Without reading 'Signs of Life: A Novel', it's difficult to name the main characters precisely. But generally, main characters can include a protagonist, who is often the central figure the story revolves around. There could also be supporting characters that interact with the protagonist and help to develop the story, such as friends, family members, or antagonists who create conflict for the protagonist.
I don't know for sure, but perhaps it has a 17 - year - old protagonist. There might also be friends, family members, or teachers as important characters who interact with the main character and influence their story.