Obviously, the deadbeat noble himself is a crucial character. He is the center of the story's transformation. There might also be a mentor - like figure who guides him in his reformation journey.
I'm not sure specifically as I haven't read it, but it's likely that the deadbeat noble himself is a main character. There may also be a mentor - like figure who helps him in his reformation process, or perhaps a love interest who serves as a motivation for him to change.
One of the main themes could be self - improvement. The deadbeat noble has to change and reform, which implies a journey of self - discovery and growth. Another theme might be social status and how one's actions can either uphold or change it.
The 'Reformation of a Deadbeat Noble' light novel probably focuses on the journey of this so - called deadbeat noble. It might explore his relationships with other characters, such as his family, friends, or rivals. As he reforms, he may have to face his past mistakes and make amends. There could also be elements of adventure as he tries to prove himself anew in a world that may have had low expectations of him.
One key element could be the transformation of the character of the deadbeat noble. Instead of being lazy and irresponsible, they might start to take on responsibilities. For example, they could begin to manage their family's estates or get involved in community affairs.
By making the characters relatable. Modern readers can identify with the idea of personal growth and change, so if the deadbeat noble's reformation is well - portrayed, it can draw them in.
I'm not sure specifically as there could be many different 'deadbeat noble' light novels. Generally, it might be about a noble who is lazy or irresponsible in some way and the story could revolve around their adventures, misadventures, or their growth and change in character.
I'm not aware of any extremely popular 'deadbeat noble light novels' off the top of my head. There are so many light novels out there that it's hard to keep track of all the different sub - genres and specific titles that might fit this description.
Given just the title, we can assume that the main character is the noble evil king. But there may be other important characters too. For example, there could be a group of rebels who are trying to overthrow the king, thinking he is truly evil. Or perhaps a wizard who has some sort of connection to the king, either as an old acquaintance or an enemy. And there could be a court jester who provides some comic relief while also having some insights into the king's true nature.
The protagonist is definitely an important character. Their actions and decisions drive the story forward. There are also the native inhabitants of Leadale who play important roles, like the ones who help the protagonist understand the land.
Hiro is an important character. He starts off as a somewhat lost pilot but grows into a key figure in the story.