The 'Kyoukai Meikyuu to Ikai no Majutsushi' manga and Rock don't have a significant association. Maybe it's just a random combination or a misunderstanding.
The quality of the raw manga is quite good. The art is detailed and the story is engaging.
I'm sorry, I haven't read this light novel specifically. But generally, light novels often have unique storylines, interesting characters, and a blend of various elements such as magic, adventure, and mystery. It might be about a mage in a labyrinth world or something related to a different world and magic.
One possible theme could be exploration. Given that there are mazes and different realms involved, the characters might be constantly exploring new areas.
Not much connection. Shounen no Kyoukai manga is a separate entity and Rock might just be mentioned incidentally or not related at all.
Not much. Manga Rock was known for hosting unauthorized manga, and the 'Kyoukai no Nai Sekai' manga might have been illegally available there, but it's not an official connection.
Not much, really. Manga Rock was known for hosting unauthorized manga content and Kyoukai Senjou no Horizon manga has its own legitimate distribution channels.
Not much. Manga Rock was known for hosting unauthorized manga content, and 'Kara no Kyoukai' manga has its own official distribution channels.
Not much connection. 'Hyouketsu Kyoukai no Eden' manga is an independent story and has no direct relation to Rock.
It's decent. The adaptation on Manga Rock manages to capture the key elements of the 'Kyoukai no Rinne' manga, but there might be some differences.
Well, it could be that the manga incorporates rock music in some way or maybe the theme of the manga is related to a rock-like environment in the isekai world. But without more details, it's difficult to be precise.