![](https://cdn.animecharacters.io/images/anime/large/3423-b7df980f.jpg)
Format
OVA
Episodes
4
Episode Duration
26 min per ep
Status
Finished Airing
Premiered
Aired
2006-10-10 to 2008-02-29
Source
Visual novel
Rating
Rx - Hentai
Genres
Hentai
Horror
Supernatural
Studios
Anime Antenna Iinkai
Producers
Pixy
Licensors
Tokumu Sousakan Rei & Fuko (特務捜査官レイ & 風子)
Based on the game series by Black-Lilith.