First of all, the general idea of this drama is great. That's what made me watch it even though people had mainly bad things to say about it. It started out really good, too. I liked the main characters, the interaction between them was cute, the fast growing friendship between all five of them was beautiful and there were lots of intense and nice scenes. Then it got worse. Suddenly there was one tragedy after the other, everyone needed more and more pain, love triangles and it mushed into a great mess. I don't know how, but they made it work somehow. Of course I was irritated sometimes and it does fit the word "melodrama", but I didn't hate it. There was always someone or something that kept me watching and that I liked about that huge mess. In the end it got better again. I thought some topics weren't handled properly, but overall I was rather enjoying it again. I loved the ending, it was the only appropriate ending to give to this drama. The acting was good. It wasn't perfect, but they seemed honest and believable. I felt with the characters (okay, after a while it got harder within all the tragedies) and they managed to pull their characters off. The music was perfect, I simply loved it. It's a mixture of American and Japanese music, fitting the modern style of the story and the Twitter-theme. The songs were great. This doesn't have anything to do with the drama itself, but the mirrors I watched also had a great quality and the subs were perfect. So it was a pleasure to watch this and I recommend everyone to try it, even though I do understand that it's not everyone's taste - And if it wasn't for the ending, I wouldn't have rated it this high either. Just give it a try!