In`youchuu Shoku: Ryoushokutou Taimaroku - Harami Ochiru Shoujo-tachi Anime Edition

Based on the game by Tinker Bell. The demon hunters are back! Mikoto, Sui, and Takeru are sent to investigate a mysterious island where people have been disappearing repeatedly and dark yoma are rumored to be the cause. When the team first arrives it almost feels like a vacation to them, but it doesn't take them long to the feel the presence of something dark and evil ...