I just finished reading a manga called "Absolute Boyfriend" about a teenage girl who orders a life size robotic doll to be her new "boyfriend". I'm not gonna give away any spoilers, but I will give out a site for people who are interested in reading the manga.
[link]By the way, here's a little Meme question. If you were to create your Absolute Boyfriend (or Girlfriend), what traits would you give him (or her)?