Half of high school is over, and everyone is starting to seriously think about their future. Asakura Koichi, who aims to go to art school to become a designer, is shocked one day by graffiti scribbled on the wall of a museum. Feeling anxious about the graffiti artist who is more talented than him, Koichi starts drawing on the wall of a warehouse in an attempt to find the person who drew it . Meanwhile, Yamagishi Ellen, who attends the same high school, is talented, but has distanced herself from drawing after a certain incident.