Pigeon Blood
Genres: Hentai
Type: OVA, Episodes: 2
Aired: Nov 28, 2003 to Mar 26, 2004
Studio: AT-2
Source: Visual novel
Rating: Rx - Hentai
Synopsis:
Pigeon Blood tells the story of a guy who lost his memory and for some reason is the "master" of a mansion full of sex slaves. Some other day, the main guy is intercepted by a cute girl who surprisingly asks him to let her be his slave, and she'll do whatever for him. Based on a game by Abogado Powers.

(Source: ANN)