NPCs travel around trying to get stuff done but people keep getting in their way which makes them angry and abrasive (and if they get too angry their head explodes).
But the player is here to help, you can hug people to calm them down, just don't get in front of them.
Jam release is a proof-of-concept tutorial build.
Unity web release | Screenshots
"Imagine living in a world where all anyone can do is hurt each other. You on the other hand, your only ability is to hug those around you."
Geoff 'Shivoa' Birch