This was a story of a robot, who was anything but. She showed more humanity in her life and end than I usually see in these type of romance stories involving human/robot relationships. The part that really got to me, and ultimately did make me cry once I realized it, was her death. At a glance it looks like she served her purpose, and so she too must sleep once again. But in reality, this was the part where I really read deeply into it, and it makes so much sense. The thing that happened was, she used her self destruct program to terminate herself at the death of her master. Some folks thought that she did this because she no longer had a purpose, that she fulfilled her duty and promise to her master. I saw it like this: by reprogramming herself, she made a choice, not to cease functioning once her promise was fulfilled, but a choice of what she herself wanted to do. She didn't follow commands like a robot, she showed a true human emotion that a robot normally shouldn't, and that was to make a choice to love someone till death.
It is that choice that really made me realize, she became more human than what it looks like. I had to fight back the tears because of my left eye, but I couldn't help it. This was a great read, I felt more to it than Cherry Pink, and further proof that some hentai can have a great story. In the last decade, it used to be said that "Hentai has no story". Now I get to say, "Read Believe Machine TL'ed by LustyLadyProject."
In her final act, the robot showed great human emotions instead of following a command. Truly the happiest robot in the world.