小夜子

Sayoko.
Mistress of the hall in an isolated sea island.
Age unknown. unidentified.
Fed up the desire of those who stray into the island and degenerate.
That was everyday for Sayoko.
Such daily life continued for hundreds of years, thousands of years.

On the other hand, the birthrate has been decreasing in Japan.
As measures against declining birthrate, the government will implement various policies, but we can not produce much results, the declining birthrate has progressed, and finally the birthrate fell to 0.98.
Yoko Mabuchi Minister in charge of countermeasures against declining birthrate attempts to contact a certain "woman" to solve this crisis situation ...
That ... ... that "Sayoko".