Kpop Idol Ranking 2015: TOP 3 Idols of Each Field

It's hard to quantify kpop idols' ability and rank them. However, I chose TOP 3 idols of each field including singing, dancing, rapping, presence and appearance on the basis of my experience and evaluations from people in the world of kpop. Of course, you can disagree about them, and feel free to comment and ask questions.