Mysterians !The Mysterians

Astronomer Ryoichi Shiraishi, his fiancee Hiroko, his sister Etsuko, and his friend Joji Atsumi attend a festival at a local village near Mount Fuji. The village in which the festival was held is completely wiped out by a massive earthquake. Meanwhile, astronomers witness activity in outer space around the moon. They alert the world to this discovery, and not long after the aliens emerge, their gigantic dome breaking through the Earth's crust. They demand a two-mile radius of land and the right to marry women on Earth.