Yes, it's definitely worth reading. The story often has unique world - building. It takes you into a fantasy realm filled with magic and interesting characters. There are often complex relationships between the summoned characters and the demon king, which makes for an engaging plot.
One of the main themes is power and control. The summoned characters often have to deal with the power the demon king wields over them. Another theme is identity. As they are in a new and strange world, they question who they are and what their purpose is. There's also the theme of loyalty, whether to their old world or to the demon king who summoned them.
One popular 'summoned demon king novel' is 'That Time I Got Reincarnated as a Slime'. In this story, the protagonist is summoned to a different world and has some demon - like powers and characteristics as he builds his own kingdom. Another one could be 'Overlord', where the main character is a powerful being who is kind of like a demon king in the new world he gets summoned to and he rules over his territory in a rather unique way.
"The Hero Who Transmigrated as the Demon King" was a novel in which the protagonist Fang Yun was the summoned Demon King. I would like to recommend this novel to you. The description is quite lively and interesting, and it has a slight youthfulness to it. I hope you like this fairy's recommendation. Muah ~😗
Often, the main character is the demon king himself who has been summoned. For example, in 'Overlord', Ainz Ooal Gown is the main character. He is a very powerful undead magic - caster who was a normal gamer in his previous life but now is like a demon king in the new world. Another common type of main character could be the summoner who accidentally summons the demon king. However, in most cases, the focus is still on the demon king's actions and growth in the new world.
I'm not entirely sure about its popularity. It might be popular among certain niche groups who are into dark fantasy or demon - related stories. There could be a dedicated fan base that enjoys the unique elements and plotlines it offers.
It depends. Some fans of the fantasy and isekai genres might find it very popular. It often has elements like a powerful demon king getting a second chance at life, which can be really appealing to those who enjoy such storylines.
Well, in a 'demon king mismatched light novel', it might be about a demon king who is out of place in his or her world. Maybe the demon king has powers that don't fit the normal expectations of a demon king in that particular fictional universe. It could also be about the demon king's relationships that are mismatched, for example, befriending those who should be enemies according to the norms of the world.
Often in these types of light novels, the 'Incomparable Demon King' might start from a position of great strength but face new challenges that force him to grow or change. It could be that a new threat emerges that he has to deal with, or there are internal struggles within his own domain. There might be a love interest or some sort of relationship that develops and affects his actions and decisions as well.