Jen: Hiyoku no Tori Anime Details and Episodes In this country there exists bird-men called zhen. They ingest various poisons to make themselves poisonous, and the more poisonous they are, the more… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresDramaFantasy TagsBoys' Love RelatedZhen (Prequel)Jen: Tenrou no Me (Sequel) RecommendationsOyasumi, Itoshii Kotori-sama