The animation quality is pretty good, but the story seems like a cheap version of Big Hero 6.
The whole story seems forced to make the audience feel emotionally connected with the characters, but the scenes feel rushed and the bound of the girl and the robot feels forced at the begin, the two characters really doesn't fit, and the soundtrack also doesn't help to create the emotional bound. (Really, the soundtrack is horrible, takes all the emotion of the scenes away).
It's kind of movie that I recommend to spend time, but probably won't watch a second time.