What are you waiting for just watch this drama...Eventhough the main lead acts as a robot without any emotions , he speaks with his eyes.... And is duality as a human and a robot is just wow...He did not act that role....He lived it...And this is the first drama that made me cry so hard....I used to feel sad while watching some sad scenes in dramas but this is the first drama that made me cry just with his eyes and look....He is such a great actor...The cast in this drama are mindblowing......This drama deserves more than 5 stars....