Sister to Vampire Anime Details and Episodes One day, the diligent and chaste Sister Erna's church is attacked by vampires. The pleasure from the venom in their fangs overwhelms her body and sets her… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedScore52/100SourceOriginalCountryJapan Drama · Ecchi · Fantasy · Romance · Supernatural Female Protagonist · Nun · Josei · Vampire · Primarily Adult Cast · Nudity · Male Harem Sister to Vampire: grace (Sequel) Midnight Secretary