The title implies that the designer is a central character. The designer might be an artistically inclined person, perhaps in the fashion or interior design field. Regarding the other main characters, there could be a muse - like figure who is the object of the designer's secret love. This person might inspire the designer's work while being unaware of their true feelings. Then, there may be a character who represents the force of retribution. It could be someone who discovers the designer's secrets and decides to take action, either out of a sense of justice or self - interest. There could also be a confidant of the designer, a friend or family member who is aware of the secret love and may or may not be involved in the events leading to retribution.
The main themes in 'the designer's secret love and retribution novel' are likely to be centered on the power dynamics within relationships when it comes to secret love. The designer may be in a position where their love is not openly expressed due to various reasons like social status or personal insecurities. Retribution in the novel could be a way to balance the scales. If a character has wronged someone in the context of love, perhaps by betraying them, the retribution could be the loss of the very thing they desired, like the end of a relationship or the loss of respect from others. This would serve to teach a moral lesson about the consequences of one's actions in the realm of love.
I'm not sure as I haven't read the novel, but they could be characters with strong personalities to match the 'savage' aspect of the story.
I'm not sure as I haven't read it. But it could be the estate designer as the main character, perhaps with some clients who have specific demands for their estates.
I don't know for certain as I haven't had the chance to read the 'god is a game designer novel'. However, in such a concept - based novel, one would expect God as a main character, being the game designer. Additionally, there could be angels or other celestial beings as secondary characters, perhaps acting as assistants or observers in the grand 'game' that God has created. And of course, humans would most likely be major characters as well, since they are the ones living in the world which is the 'game' in this context.
In 'Love Nikki The Clinic's Secret', it's likely that Nikki is one of the main characters as she is the protagonist in most of the game's stories. There might also be a healer - type character, like a wise old doctor or a magical nurse, who holds the key to the clinic's secret. Additionally, there could be other characters from the Love Nikki universe who come to the clinic for help and end up being part of the mystery, such as Nikki's friends or rivals.
As I don't know the exact 'Kara Secret Love Story', if it's based on the real - life Kara group, the main characters could be the members of Kara themselves. They are likely to be the focus if it's a story about their secret love affairs.
I don't know who the main characters are in 'the secret love story' as I'm not familiar with this specific story.
I don't know as I haven't read it. It could be a young couple, perhaps a man and a woman who are the protagonists of this secret love story.
I'm not sure exactly as I haven't read this particular light novel. But typically in such stories, there would be a male and a female lead. The male lead might be charming and a bit of a rebel in terms of the rules against their relationship.
I don't know for sure, but it could be the estate designer themselves as a main character. Maybe there's also a client who has a very specific and challenging request for an estate.