I don't know since I haven't read the book. But typically, there would be a couple at the center of the story, perhaps a husband and a wife.
A common character type is the shrewd and manipulative in - law. They could be interfering in the marriage, causing problems between the couple, and might be part of the reason for the need for revenge. Another character could be the mysterious helper, someone who comes into the protagonist's life unexpectedly and provides crucial assistance in their revenge plot. This helper might have their own motives, which adds more depth to the story.
I don't know as I haven't read the book. But usually in a novel titled like this, there would be the perfect stranger as one of the main characters, and probably someone whose life gets intertwined with the stranger, like a protagonist who is affected by the stranger's presence.
Since I haven't read it, I'm not sure who the main characters are.
There could also be a mentor - like character. This character might have already achieved a certain level of peace and guides the protagonist on their journey. They could be an older person with a lot of wisdom, like a sage in the community or an experienced family member.
Since I haven't read the novel, I can't say for sure. However, it could be a group of girls with diverse personalities and backgrounds. There might be a girl who is the leader in the pursuit of perfection, and others who follow or oppose her ideas. Maybe there's a girl who has a different view on what perfection really means and tries to change the others' perspectives.
I don't know as I haven't read it. But usually, main characters are those who drive the story forward, like a protagonist who might be on a journey towards this perfect peace.
Since I'm not familiar with this particular novel, the main characters could be a young couple. Maybe one is an artist and the other a businessperson. Their different personalities and lifestyles could create interesting dynamics in the story. Or it could be two characters from the same profession who find a special connection in their shared experiences.
There could be a reclusive character who is suddenly confronted by this perfect stranger. This reclusive character might be the focus, and the story could be about how they are forced out of their shell by the stranger. Additionally, the perfect stranger themselves could be a complex character with a mysterious past and motives, and their actions and words would be central to the story. There might also be a nosy neighbor type of character who adds some comic relief or extra drama as they observe the interactions between the protagonist and the stranger.
The main character is Shi Hao. He is a very important figure in the 'perfect world novel' as his story drives much of the plot forward.
I don't know as I haven't read the novel, but they could be ordinary people trying to find their perfect day.