I'm not entirely sure as I haven't read it specifically. But generally, it might be about a character or a group of characters who have the power to influence the rise or fall of kings. It could involve political intrigue, power struggles, and complex relationships within a fictional kingdom.
Not having read the 'kings maker novel', it's hard to name the precise main characters. But in a story with such a title, the 'kings maker' is bound to be a central figure. There may be a noble and just king who is being guided by the 'kings maker'. Additionally, there could be a group of powerful lords who are either allies or enemies of the 'kings maker', depending on how the story unfolds. There might also be a wise old mentor - type character who has some connection to the 'kings maker' and helps them understand their power and responsibilities.
Well, to be a good manga art maker, first, you have to master drawing techniques. Then, develop your own unique style by getting inspiration from various sources. Also, keep an open mind to feedback and keep improving.
Yes, there is a manga for Ranking of Kings. It offers a different perspective and sometimes delves deeper into the story than the animated version. It's definitely worth checking out if you're a fan of the franchise.