I don't know for sure. It could be the king himself as a main character, of course. And perhaps the person to whom he makes the proposal, whether it's a princess, a noblewoman or a commoner. There might also be advisers to the king who play important roles in the story.
The main characters in the 'king's proposal novel' are likely to include the king who makes the proposal. If the story has a romantic element, the love interest of the king would be a main character too. There may also be antagonists, like those who fear the change that the king's proposal might bring. For instance, if the king is proposing a new tax system to fund a war, the wealthy merchants who would be affected could be antagonists. Additionally, there might be a wise old man or woman in the court who acts as a mentor or a voice of reason throughout the story.
Since we don't have more details about the 'king's proposal novel', it's difficult to name the exact main characters. However, if it's a political - themed novel, there could be rival kings or lords who are affected by the king's proposal. On the other hand, if it has a more romantic slant, there could be friends or family members of the person being proposed to who have their own opinions and influence the story.
Since I haven't read this novel, I can't say for sure who the main characters are. But usually, in a novel with a controversial concept like a 'barbaric proposal', there would be a character who makes the proposal. There might also be a protagonist who opposes it, someone who represents the moral side of the story.
I'm not sure specifically as I haven't read this particular novel. But usually in a novel with such a title, there would be a protagonist who is presented with the indecent proposal, and perhaps a character who makes the proposal. There could also be friends or family members of the protagonist who play important roles in influencing their decision.
The CEO is obviously one of the main characters. And most likely, there's a female lead who is the recipient of the sudden proposal. There might also be some supporting characters like the CEO's business partners or the female lead's friends and family who play important roles in how the story unfolds.
I don't know as I haven't read it. But usually in such a story, there would be the person making the proposals and the one being proposed to.
In 'the billionaire's proposal twilight fanfiction', the main characters are probably a blend of the classic Twilight cast and this new billionaire figure. Bella Swan might be in the center as she is often the focus in Twilight stories. Edward Cullen could also be involved, perhaps in a love triangle situation with the billionaire. Jacob Black might play a role too, either as a rival or an ally. And the billionaire himself, whose identity and motives would be explored throughout the story as he tries to make his proposal to one of the characters.
In a 'the proposal short story', if it's a business - related one, the main characters might be an entrepreneur and some potential investors. The entrepreneur would be presenting the proposal, trying to convince the investors to put their money into his or her idea. There could also be side characters like the entrepreneur's business partners or the investors' assistants.
The 'king's proposal novel' could have a variety of plots. It may start with the king making a proposal that is against the traditions of the kingdom. This could stir up unrest among the nobles and the common people alike. There could be characters who oppose the proposal for their own interests, while others support it. The story might then revolve around the power struggle between these different factions, all triggered by the king's initial proposal.
Since it's a 'Twilight' fanfiction, it's likely that the main characters would be Bella, Edward, and Jacob. However, without reading it, it's hard to say for sure if there are other characters that the author has made more prominent in this particular fanfic.
I'm not sure specifically as there could be many different 'king's proposal' light novels. It might be about a king making a proposal, perhaps a marriage proposal to a princess from another land, or a proposal for an alliance. Without more context, it's hard to say for sure.
The main character is surely the king's daughter. There could be other characters like her mother, the queen, if she is present in the story. Maybe there is a villain, someone who wants to harm the king's daughter or the kingdom. And there might be a loyal servant or friend of the daughter who helps her through difficult times.