Simply, the scene before the OP, as well as the OP itself.
Uploaded because I couldn’t find this scene anywhere on YouTube, and figured might as well put the OP in with it.
You can grab episode one here if you’re interested in the anime.
http://www.chihiro-subs.com/2011/01/10/koe-de-oshigoto-01-released/
Subs are also from this.
MAG.MOE - The MAG, The MOE.