Although there is little in the way of character background given, we realize that he's on the job and quite serious. (qwipster.net)
The game lasts for around 20 - 30 hours if you play straightforward or 60 + hours if you want to unlock each kind of secret and the complete character background stories. (operationrainfall.com)
On the other hand, are they posting as the narrator to provide more story setting description and or character background information? (educationworld.com)