First of all, the number of episodes was perfect. It made the show fast-paced, simple and not overwhelming. It's a melodrama, however, it's not the typical Korean style one. There is nothing like betrayal or crime in it, yet it was well made with comical aspect included.
The story was basically about one-sided love, creating a relationship "circle". What I mean is, girl A likes guy Z but he has a crush on girl B, girl B has a crush on another guy Y, and guy Y likes A. Ugly things like parents' intervention or tricking someone don't happen, but it's all about one hooked to another.

If you have nothing to do in a day, you can spend 8 hours watching this drama and will make your day. YOU'LL LOVE IT.