There's not a lot of story behind this draw to be honest. I just wanted to get rid of an artblock, and a song gave me the will to draw a machine with heart that, with this, enlightens a dark path (thus, the title "light of the heart" in latin). And... just that C:

The song in question is: http://www.youtube.com/watch?v=tUAR-ih_YI4

I really like Klonoa's osts ^w^