Due to global warming and the shifting of tectonic plates, most of the Earth's land has sunk beneath the surface of the ocean. Only Japan remains and refugees from all nations try to incorpo... Read allDue to global warming and the shifting of tectonic plates, most of the Earth's land has sunk beneath the surface of the ocean. Only Japan remains and refugees from all nations try to incorporate themselves into Japanese society:Due to global warming and the shifting of tectonic plates, most of the Earth's land has sunk beneath the surface of the ocean. Only Japan remains and refugees from all nations try to incorporate themselves into Japanese society: