One possible theme could be self - discovery. The idea of feeling like a 'waste' might lead the character to explore who they really are and what they can become.
I don't know if it's popular. It could be that it's just starting out and not yet widely known, or it could be a niche light novel that only appeals to a small number of readers who are interested in its particular take on the idea of being a 'waste' in the context of the story.
One similar light novel could be 'Re:Zero − Starting Life in Another World'. It also has a main character who initially seems out of place and has to struggle in a new and often unforgiving world.
It might be about presence. It could be exploring the idea of being present in a particular situation, whether it's in a relationship, a community, or just in one's own life. Maybe the characters in the novel are learning to be more present and this is what the title is alluding to.
Power is likely a main theme. Since the title is 'I am a king', it probably focuses on the power that comes with the position. Also, leadership could be a theme.
One main theme is self - discovery. The protagonist is likely on a journey to find out who they really are while achieving stardom. Another could be the pursuit of dreams. As they strive to be a superstar, they are following their dreams.
It's possible that there is a character who is in a state of transition or change. This character might be the central figure in the 'Here I Am Novel'. They could be facing challenges in their life, such as a career change, a move to a new place, or a shift in relationships, and through these experiences, they are evolving and coming into their own, which ties in with the title.
" I'm Here " was a novel written by a fish that slept with a cat. The story was about the protagonist, Song Yu, who was a toad. He lived in a world where people could fly into the sky and become immortals, and sit on the ground and become demons. Although he felt depressed and painful, he was still determined to defy the heavens and become a free and unfettered Great Immortal Toad. The latest chapter of the novel was chapter 1176. Other than that, the search results provided did not provide any more information about the specific plot and content of the novel.
Well, without more context, it's hard to say much. It could be a self - deprecating title where the protagonist has a low opinion of themselves. Maybe they start off as a 'waste' but then go through a journey of self - discovery and improvement in the light novel. For example, they could be a student who is failing at school and is seen as a waste by others, but then finds a hidden talent or purpose.
Power and its consequences. The Sorcerer King has great power and we see how it affects him and those around him.
One of the main themes is ambition. The protagonist is clearly ambitious as he aims to be a big name in the entertainment tycoon world. Another theme is innovation, as he has to come up with new and exciting ideas to succeed.