To draw manga chibi well, you need to focus on exaggerating the features. Make the heads larger, the eyes super cute, and simplify the body proportions. Also, use light and bold lines for emphasis.
The main similarity could be their cute and exaggerated style. But differences might lie in their personalities, outfits, or the scenarios they are placed in.
It was uncertain whether the fairy tale was an original because there was not enough information to determine whether it came from a specific work or author. Comics are usually created by cartoonists based on their own creativity and inspiration. They can be based on existing stories, novels, movies, or other works, or they can be completely new storylines. Therefore, to determine whether a comic was original or not, one needed to look at the source and background of the comic to determine whether it was based on a particular work or author.
In fanfiction, chibi Naruto can be best characterized as a ball of sunshine. He's constantly chasing after his dreams, whether it's to be the best ninja or to get a bowl of ramen. He's not afraid to speak his mind and is very straightforward. His emotions are always on his sleeve. Chibi Sasuke is the opposite in some ways. He's reserved and a bit aloof. He values his alone time but deep down he's also lonely. When it comes to his relationship with chibi Naruto, he's slowly learning to open up. He's still competitive but in a more innocent, childish way. He's the type that will secretly admire Naruto's courage even if he doesn't say it out loud.
There was no specific recommendation information about demon king manga novels in these results. Therefore, I don't know the specific recommendations for demon king manga novels.