Such a wonderful drama, at the beginning is really funny, and the character development is really good, you see their whole journey from prey and predator to friends, as the drama approaches it's end, it gets more and more painful, and I found myself crying through the whole last 2 or 3 episodes. The soundtrack is just so addictive, there are such beautiful songs, and it fits so well, even parts that may be a bit boring, because of the background music it becomes magical. In my experience with Kdramas, the action and special effects are not really that good, in this drama there were pretty much amazing, only one or two failures. The actors are perfect for this one, the "villains" really have that bad guy/girl look, and the main role actors fit so wonderfully together.