There is only a man in the world where the XX (female) chromosome individual becomes fatal before birth.
The people used a mysterious stone called the moon of the life and, for a long time, tied a descendant.
A huge tower saying that it is sealed, and there is the circumference in the center by prevention against evil to be called a segment cliff from the day of the opening soars.
In the white moon which the cut continent is blessed with rich nature, and light up the earth, there is not at all the thing that I can lack.
The people living in there call the closed world reputation EUREKA...

[From DLsite English]