Seijuuden: Twin Dolls
English title: Twin Dolls
Japanese title: 聖獣伝 ツインドールズ
Type: OVA
Source: Original
Episodes: 2
Status: Finished Airing
Aired: Jul 22, 1994 to Aug 26, 1994
Duration: 46 min per ep
Rating: Rx - Hentai
Studios: Arms
Producers: Daiei
Licensors: SoftCel Pictures
Genres: Action, Supernatural, Hentai
Themes: Mythology

Mai and Ai Amatsu are beautiful and powerful twin sisters descended from a Tennyo angel. However, part of this legacy includes fighting off sex-starved demons and protecting the child-like boy Onimaro from evil forces. Can Mai and Ai carry out their mission in life and retain their chastity at the same time? 

(Source: Animetric)