History of Sex Crime in Showa: A series of rescuing incidents at an abandoned factory

The page called "Showa Sex Crime" was opened .... Mika Matsushita's husband ran a piston manufacturing factory as a subcontractor for an automobile manufacturer. when it was about to end in the '1931s... My husband suddenly dies from a heart attack. Although there were seventy-eight workers, his wife Mika decided to discontinue the business. Five years have passed since the factory was closed, and misfortune has begun with Mika and Reiko who were living together with their sisters in the residential part of the factory.