Contains SPOILER..
I liked the drama, but the ending was disappointing. Though it was a happy ending, it wasn't the way I wanted it to end. It was unnecessary to make Saet-byul and Dae-hyun's love story so much dramatic, and then getting them back together in that way. The reason Saet-byul came back to Seoul should have been because of Dae-hyun, not the certificate. Specially this part made the ending disappointing. Aside from the lead actor and actress's ending, I was also disappointed at other endings. They didn't show if Dae-hyun's sister, Yeon-Joo's mother, and Seung-Joon changed or not.