I'm not familiar with the 'knight under my heart novel', so I can't tell you the main characters.
In the 'knight under heart novel', the main character is likely the knight himself. He is the central figure around whom the story revolves. There could be other important characters as well. For instance, there might be a love interest for the knight. This person could be a noblewoman from a neighboring kingdom. Her presence could add an element of romance and also influence the knight's decisions as they are related to his heart. Additionally, there could be a group of fellow knights who are either friends or rivals, each with their own motives and backstories that interact with the main knight's journey.
I'm not sure specifically as I haven't read this exact 'knight under heart novel'. It could be about a knight's inner journey, perhaps his struggles, loves, and his code of honor that lies deep within his heart.
I'm not sure as I haven't read the specific 'unbreak my heart novel'. But usually in this kind of novel, there would be a protagonist who is likely to be the one with the broken heart.
I'm not sure specifically as I haven't read this novel. But usually, there would be a protagonist, perhaps a young woman or man who is at the center of the story's emotional journey. There might also be a love interest, like a charming person who catches the protagonist's heart.
I don't know for sure without reading the book. But it's likely that the sisters are the main characters. There could also be other family members or friends who play important roles in the story.
Perhaps it's a story about a single character and their journey, with the people they meet along the way being important secondary characters. The main character could be someone who has had a life - changing experience that will be 'forever in my heart', and the other characters help shape that experience.
Since I don't have the 'hear my heart novel' at hand, it's difficult to say exactly who the main characters are. However, in most novels, the main characters are those who drive the plot forward. They could be characters with a strong goal or desire. For example, in a coming - of - age story, it might be a teenager trying to find their place in the world. In a mystery novel, it could be the detective or the person who has a connection to the mystery. In the 'hear my heart novel', it could be a character who has a heart - related theme, perhaps someone who has a special ability to understand others' emotions deeply or someone who is on a journey to heal their own broken heart.
Since I haven't read the novel, I can't say for sure. But it could be a couple, like a man and a woman where one of them is the 'heart - player'.
There might be a love interest. If the theme is related to love and heartbreak, there would be a character with whom the main character has a romantic relationship that causes the 'burning heart' situation.
Maybe there is a strong - willed female lead. She could be the one who has to steel her heart in a male - dominated world. For example, she might be facing discrimination or hardships in her career or personal life, and she has to toughen up. There could also be a mentor - like character who helps her along the way.