Earth zero! Can you save the world peace by sex? Shiomi Shizuka

2 XXX, an alien who visited Earth suddenly. The human monster "atomic Shiri" from atomic nebula was overwhelmed by the overwhelming scientific power and military power that did not exist in modern science, and mankind was violated without the technique. It is too easy for me to get the earth ready by force, and it's too easy and interesting. Then, there is a battle in one side. It is a simple fight with the representative of the earth that it is "sex" according to the tradition in the Shuri, and which made the partner pleasant. The extreme dense sex that put the fate of the earth... Now, the night when human race's future took place