Sixteen year old Ichiro Kimura left his dying hometown for a better future in Tokyo, however, gangers and a runaway robo-taxi put his new school year on pause. He becomes entangled with Saryuu Yamauchi, an eccentric cyborg classmate in need of a so-called "escort technician." Their after school alliance turns the physical and virtual city into a twilight playground but a conspiracy on school grounds threatens to shatter their adolescent adventures.