I don't know as I haven't read it. But I can guess there would be a girl who becomes the princess. There might also be a prince she is associated with, maybe her future husband.
In 'One Day I Became a Princess Novel', the protagonist is the girl turned princess. Other key characters could include the royal family members like the king, queen, and other princes or princesses. There may be advisers in the palace who influence the story. Additionally, there could be antagonists such as envious nobles or those who oppose the new princess's presence in the palace, and of course, a potential romantic lead, perhaps a dashing prince.
The girl - turned - princess is the central figure. Then there could be an antagonist, perhaps another noble who is jealous of her new status. There might be a kind - hearted maid who becomes her friend and confidant. And of course, there would be her new royal parents. There could also be some noblemen who are trying to use her for their own political gain.
The protagonist who suddenly becomes a princess is a main character. We also often have the king or queen as important characters, as they are part of the new royal family she has to interact with.
The main character is the girl who suddenly becomes a princess. There might also be a king and queen in the story as part of the royal family. And perhaps a love interest like a prince or a noble knight.
In this novel, the main character who experiences the sudden transformation into a princess is key. There could also be a wise old advisor who helps her understand the ways of the royal court. And perhaps a villainous character, like a jealous relative who tries to undermine her new - found status.
The most important character is the girl who experiences the sudden transformation into a princess. Besides her, the king and queen are significant as they are part of her new royal family. There may be a wise old advisor in the palace who guides her through the new and complex world of royalty. And if there's a love story involved, a charming prince or a dashing knight could be important characters as well. There might also be some villainous characters, like an envious noble who tries to bring the new princess down.
The themes include family. In her new role as a princess, she has to deal with a new family structure. There's also the theme of survival. She has to survive in the cut - throat environment of the royal court, with all its politics and intrigues.
Well, one main plot point is the sudden transformation of the protagonist into a princess. This completely changes her life overnight. Another point is probably her having to adapt to the new royal life, like learning all the courtly manners and dealing with the politics within the palace.
Well, usually in such a story, the girl might find herself in a new world where she's suddenly a princess. There could be a lot of adjusting to the new life, like learning royal etiquette. Maybe she has to deal with a new family and court politics too.
The main character in 'I became the emperor's daughter one day novel' is the girl who enters the imperial world as the emperor's daughter. The emperor is a crucial character as his actions and decisions will greatly impact the main character's life. There could be a eunuch who serves as a confidant or informant for the main character, helping her understand the ins and outs of the court. Also, there may be a noble lady who becomes the main character's rival, vying for the emperor's attention or trying to undermine her new position in the imperial family.