Inyouchuu Shoku Complete Edition is a compilation of both Inyouchuu Shoku episodes with an additional 10 minutes of extra footage at the end with the twins. These extra scenes are credited as "episode 3" in the end credits and constitute this entry.
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...