Kono Kyouai wa Tensai desu Anime Details and Episodes Because of their evil deeds, the Four Perils had their bodies sealed in a rocky mountain. After the death of Maomei's grandfather, they make their return.… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresComedyFantasyRomance TagsFemale ProtagonistForeignShoujoMale HaremHistorical RelatedAkujin no Oboshimeshi (Alternative)