Guardian Dog Anime Details and Episodes Gengo Kurosaka leads a normal life until a run-away alien called "Six-eyes" decides to take refuge in his body. From then on, Gengo becomes Ishtar's… Series info Watch free DetailsFormatMangaStatusFinishedScore57/100CountryJapan GenresActionFantasySci-FiSupernatural TagsAliensShounen RecommendationsParasyteMidori no Ou: Verdant Lord