Maps follows a normal Earth boy named Gen. He and his girlfriend Hoshimi meet Lipmira, a woman from outer space, who tells Gen that he is the "mapman," meaning the map to a great treasure is coded in his genes.
In the story of Maps, a typical Earth boy named Gen navigates alongside his girlfriend Hoshimi. They meet Lipmira, an alien from outer space, who tells Gen that he is the "mapmaker," signifying that the map to a significant treasure is hidden within his genetic makeup.