Although most people I've seen are attracted to this drama because of Kim Soo Hyun, I have to say that, as I girl, I like this drama because of the character of Chun Soo Yi. And not because she's beauty, but because of her 3D character. Yes she starts off quite annoying, but you grow to find her so charismatic and charming, while professor Do (excuse my language) is, despite his background, quite a typical main male character in dramas. I like his looks and his sarcastic comments on Chun Soo Yi, but it's Chun Soo Yi who attracts me more. I have to say that, although I really like the plot, the later 5-7 episodes kinda drag. And kinda cliched. Sorry but that's the truth. Dramas often start with trying to make the audience like the characters, and when the audience already like the characters, they portray them less and just focuses on the cliched elements such as people splitting apart or are going to split apart. I wish that the characters can still retain their charisma even till the end, but yeah, dramas generally don't do that.