The year was 2065, after several major widespread viruses humanity left to live underground in large bunkers, each housing millions of people, as big as cities. These cities have become vastly overpopulated, and as a result, the government came up with a policy. All unwanted children are to be harvested for their organs.

Rui sat at his desk at school, studying for his exams, his messy purple hair draping over his face.