Not sure, but it could be that the 'Rock' aspect is related to the style or theme of the Hanakoi Tsurane manga. Or maybe it's just a coincidence and they have nothing to do with each other.
The adaptation generally stays true to the manga. It captures the key elements and plotlines.
Not many major differences. The manga's core elements are mostly retained in adaptations.
I'd suggest checking out some underground manga communities or private trackers. But remember, accessing raw manga from unauthorized sources can have legal consequences and it's best to support the creators by using legal means to read their work.
Not sure. Maybe they are completely separate entities with no significant relation. It could be that they operate in different domains or have no overlapping aspects.
It's hard to say exactly. It could be that Rock is a character in Sun Ken Rock manga, or there might be a musical influence related to the term 'Rock' in the context of the manga. But without more details, it's difficult to be definite.
The Mashikaku Rock manga might incorporate elements of rock music, like characters inspired by rock musicians or storylines related to the rock scene.
Well, it could be that the 'rock' aspect refers to a style or theme incorporated into the Black Rock Shooter manga. Maybe it influences the characters, settings, or storylines. But without more context, it's hard to say for sure.
Not much. Manga Rock was a platform for accessing various manga, but its use might not have been legal for all content, including 'Oreshura'.
Not much. They are likely two separate and distinct manga with no direct connection.
Not much. Kochikame manga is an independent comic series and Manga Rock is just a platform that may offer access to it illegally.