Board Thread:Questions and Answers/@comment-35301431-20140330212342/@comment-3467648-20140602211234

Yeah. What Bunai is talking about is usually considred as "derived work" or "secondary usage", which in many cases the authors are against it. Indeed, many of them flattered to see their works likes the enough to inspire PVs, remixes or other kind of fan content.

However, this varies a lot among the authors.