I don't usually write reviews, but for the community I think I should write something about this drama to warn about it . Like I said in the title, this drama didn't age well. I started watching this drama convinced by the 8.2 rating, the name Lee Seung Gi and by the plot summury. Well, I found myself disappointed. This rating in my opinion doesn't reflect how a korean drama should be with an 8 in today's standards.
The first half it's quite interesting and funny but, as soon as we approach the second half, here we have problems: the plot starts to be repetitive and boring, it's development very slow and not so funny.
Generally I like Lee Seung Gi's acting (Look at him in Vagabond. To paraphrase Ban director: He IS indeed ACTION. ...and hot ;) ), but maybe because I'm influenced by the overall boring plot, I didn't find it very stand-out. I found a little more convincing Shin Min Ah's acting. I'm not saying they were bad, but I didn't feel so involved.

In conclusion would I recommend this?
Mostly not. If you are a begginer in watching korean dramas maybe and I say MAYBE you can still appreciate this story, but I wouldn't recommend this to anyone else.