Ninku: Second Stage - Eto Ninhen Anime Details and Episodes A sequel to the original Ninku manga. Series info Watch free DetailsFormatMangaStatusFinishedSourceMangaCountryJapan GenresActionAdventure TagsSeinen RelatedNinku (Prequel) CharactersFuusukeTouji (Supporting)Aichou (Supporting)Hiroyuki (Supporting)Kisumi (Supporting)