Though I am not a big fan of science fiction this one was a refreshing change. The robot is better than most humans in this series. His smile will melt your heart. I despised every human character aside, from Mr Ji, at some point of the series. Mr Ji, human shin's assistant is one guy I felt crying for and really really wished such friends actually existed in real life. His loyalty is as out of the world as the existence of a robot. Spoiler alert is that this one has a happy ending soif anyone out there who just like me craves for happy ending don't worry go for ot