Since I don't know the exact story, the main character is surely the boy. There might also be someone who caused his heart to break, like a love interest or a friend who betrayed him.
The main character is the boy. In addition to that, depending on the nature of the story, if it's about a broken heart due to unrequited love, then there would be the object of his affection. There may also be other characters such as a rival in love. And don't forget about the people in his support system, like his parents who might be worried about him and his best friend who might be trying to cheer him up and encourage him to move on from this heartbreak.
In 'the broken heart novel', the main character is likely the one with the broken heart. They could be a middle - aged person who has been through a long - term relationship that ended badly. There may also be secondary characters such as a counselor or an old acquaintance who re - enters their life during this tough time and has an impact on their journey of dealing with the broken heart.
Since I haven't actually read 'Scars of a Broken Heart novel', it's difficult to say exactly who the main characters are. However, based on the title, I would expect there to be a character or characters who have had their hearts broken. There might also be friends or family members who play important roles in their journey of dealing with the broken heart. Maybe there's a love interest who caused the heartbreak in the first place.
The boy is the central figure in this story. There could be a character like a teacher who notices the boy's kind heart and encourages him to keep it up. There might also be a bully in the story who at first teases the boy but later is changed by the boy's kindness. And of course, there could be the recipients of the boy's kindness, such as a poor family that he donates his toys to.
Naruto himself is the most obvious one. His love interests, like Sakura, could be involved. If Sakura were to reject Naruto's feelings harshly, it would break his heart. Sasuke could also play a role. If Sasuke were to do something that Naruto thought was a betrayal of their friendship, it would cause Naruto great emotional pain.
I don't know as I haven't read it. But it could be the person with the broken heart and perhaps the person who caused the heartbreak, like an ex - partner.
Since it's a broken - heart novel, there's probably a central character who is the victim of a broken heart. This could be a single individual, say a middle - aged man who thought he had found true love but was disappointed. And then there could be side characters like his best friend who tries to help him through the tough time, and perhaps the new love interest that comes into his life later on in the story.
The girl and the boy are the central figures. The girl could be someone who had a healthy heart but met with an unexpected event that led to her death. Her heart then became the hope for the boy. The boy, on the other hand, might have been living a difficult life due to his heart problems. Additionally, their families could also be considered as important characters, as they are involved in the decision - making regarding the heart transplant.
I'm not sure specifically as I haven't read the novel. But it could be a female protagonist who is the one with the broken heart and a male lycan as a love interest.
One possible theme is loss. The boy has lost something important, like love or a relationship, which has broken his heart.
I'm afraid I don't know exactly who the main characters are in 'Miracle of the Heart: A Boy's Town Story'. However, based on the title, the boy is likely to be a central character. He could be accompanied by his parents, who might shape his values. There could also be a best friend with whom he shares his adventures and experiences. And perhaps there is an older person in the town, like a wise old man or woman, who imparts important life lessons to the boy, thus becoming an important character in the story.