Hyakki - Season 1

A group of tourists travel to a mysterious, uninhabited island via a tour service. The location features the decaying ruins of a once-promising city. Each visitor has personal motivations for the trip, such as returning to former homes or engaging in a scavenger hunt. During their stay, strange phenomena occur, causing suppressed memories and sexual feelings to emerge within the group. The situation deteriorates when several tourists are discovered murdered, indicating that another presence remains on the deserted island.