I'm not sure specifically what 'camdaki kiz full story' is as it could be a very specific or local story. It might be about a girl in a room (since 'camdaki kiz' could be translated as 'the girl in the room' in a very rough sense), but without more context, it's hard to say more.
Commonly, in such hentai manga, the themes might revolve around taboo exploration and pushing boundaries of pleasure. Anal toys are presented as tools to achieve heightened sexual excitement, with detailed illustrations of their usage and the reactions of the characters.
There might not be a direct connection. Dali's art was highly surreal and unique, while Disney cartoons are typically more family-friendly and mainstream.
It's tough to tell. Could be that roa is a key location or a magical item featured in the dragon manga. Without detailed information, it's difficult to define their precise connection.