Igyoujin Oniwakamaru Anime Details and Episodes 28 years earlier, there was a plane crash in the mountains of Gifu Prefecture. The barrier that the Kobo Daishi, Kukai had created to seal away the demons… Series info Watch free DetailsFormatMangaStatusFinishedScore54/100CountryJapan GenresActionSupernatural TagsSeinenYoukaiHenshin RecommendationsChainsaw ManTasokare’s DreamThe MoonGodsiderDevilmanKakugo no SusumeRiki-oh