If you liked
Boku no Robot
|
...then you might like
Sugar Girl, Sugar Doll
|
In both mangas, a robot (real in Sugar Girl, Sugar Doll, and self-proclaimed in Boku no Robot) who is emotionless at first falls in love with her master. Both robots are female. However, Boku no Robot is completed but Sugar Girl, Sugar Doll is ongoing.
If you like'd one, you'll probably like the other.