Hyakki

A group of young adults have decided to travel to a mysterious island through a tour line. The island has been deserted of human life and the ruins of a once promising city continue to decay. During their visit, strange events start to take place and past memories and sexual emotions began to surface among the group remains on the desolated island. What they didn't know that there is a pervert among the group of people remaining on that island and keeping girls as a sex slave.