The Hawkeye series comic and its adaptations are quite similar. However, adaptations might cut out some minor details or combine certain elements for a more streamlined narrative. But the key plot points and character developments are usually maintained.
Typically, black witch manga incorporates elements like supernatural powers, forbidden spells, and a sense of danger. The characters might face moral dilemmas and have to make tough choices.
Well, a simple cartoon guy might have a plain outfit, not too many details. His expressions could be easy to understand, like happiness or sadness shown clearly. Also, his body shape could be quite basic, without complex proportions.
It's hard to say exactly. It could be that the manga features a story about a girl who's a friend of the main character, or it might be something completely different.