It has anthropomorphic animal characters (monsters?) and therefore it is the fandom's darling, regardless of other content. See also: Guardians of the Galaxy.
Like you said, it's scary... and horror games seem to be the in-thing right now. But yea, there'll always be r34 art with anything that takes the fandom's interest >.<
Link
Amagire
It has anthropomorphic animal characters (monsters?) and therefore it is the fandom's darling, regardless of other content. See also: Guardians of the Galaxy.