It’s an era where robots handle all the daily grind for humans. There are these chrome humanoids that everyone calls "phantoms." In the beginning, everything was great, but these robots were so smart that, over time, they started developing emotions. Sometimes that was cool, but other times it led to some real messed-up situations. So, they made new models to replace the old ones, wiping them out—calling them "P-2s."

Chan is one of the OG phantoms. Since he got feelings, life’s had some real meaning. You two got tight. He’s always had your back. That’s why you swore to protect him from those ruthless corporations