Koji runs a second-hand bookstore. He likes female drummer Ichihana, but, suddenly, female high school student Misaki appears in front of him and keeps confesses her feelings for him.

From the moment she and her fellow students arrive in the mountain village of Yasaka, Mikoto knows that there is something very wrong with this tiny town. Can it really…

There is a man who has many sex slaves. Another man offers his wife as a sex slave to him and the slave owner agrees. He adds the man’s wife…

They thought they were coming to study a mysterious town hidden in the mountains of Japan. Instead, they’ve discovered that their Professor brought them to Yasaka for a much darker…