You could check out 'Fruits Basket'. It shares some similarities in terms of the depth of the characters' feelings and the exploration of themes like love and friendship, similar to 'Kaze to Ki no Uta'.
I'd recommend 'Your Lie in April'. It has a similar emotional tone and themes of self-discovery and personal growth as 'Kaze to Ki no Uta'.
There are several manga that might be similar, like 'Ao Haru Ride'. Both focus on complex emotions and character development.
I'm not really sure. Maybe it's a manga that incorporates elements of rock music or has a theme related to it.
Not much. They might just be two separate entities without any direct relationship.
The adaptation is quite good. The anime version of 'Kaze to Ki no Uta' mostly sticks to the manga plot with just a few tweaks here and there.
You might be able to find it on some major online manga platforms or comic stores that specialize in imported manga.
You might be able to find it on some specialized manga websites or forums, but be cautious as not all sources are legal.
You might be able to find it on some dedicated manga websites or platforms that offer English translations. Check popular ones like MangaPlus or ComiXology.
One manga that could be similar is 'Watchmen'. It shares elements of dark themes and complex characters like Batman.
One manga that might be similar is 'Parasyte'. It has elements of horror and action, like Gantz, and explores themes of survival and humanity's response to strange threats.
I think 'Fruits Basket' could be similar. It has a similar emotional depth and character-driven storylines like 'Swan'.
I think 'Love Hina' might be somewhat similar. It has elements of romance and character development like in Sextudy.