K-pop has evolved rapidly just this last few months.
It also has been showing some witch house concept specially for the recent single of f(x), "Red Light."
Are K-pop fans ready for this kind of concept?
https://www.kpopstarz.com/articles/98344/20140712/f-x-how-k-pop-may-not-be-ready-for-the-witch-house-genre.htm