First of all, I loved the previous School Drama (School 2013) very much. So I decided to try this drama, too. Now I think my decision was right. Story: I like stories like this, because there is Mystery, friendship and (not too much) romance. I liked the plot when the drama was announced the first time. Two Sisters who grow up with two different lifes and a situation which changed both of them. Yes, I liked it very much. Acting/Cast: Honestly, I didn't know most of the Actors and Actresses before I began this Drama, but the three main Actors (Kim Sohyun, Nam Joohyuk, Yook Sungjae) I have known before. I liked Kim Sohyuns acting very much. She played the twins very well. I think it is difficult to play two different characters, but she surely did a great job. Nam Joohyuk plays the role of Go Eunbyuls (KSH) chindhood friend Han Yi an, who is a talented swimmer at his school. I think the rols suits him more than his role in 'Surplus Mermaid' last year. Yook Sungjae plays the other male Leadrole. I liked is acting, although I was sceptical before. I know him as the Maknae and a Vocal from BroB, so I wasn't sure if his acting yould impress me. But I was surprised. He did a very good work. Music: The Music is nice. I love the Song "Reset" and I like the OST from Wendy (Red Velvet), too. I would watch this drama after a few months again^^.