Watch Mumumu Watch now on Miruro - Free Anime Streaming Every 10,000 years, a Heavenly Demon--a legendary master of the Demonic Cult--is born. But the modern era has two geniuses: Hoya, a boy with a burning… Series info Watch free DetailsFormatMangaStatusAiringSourceOriginalCountryKorea GenresAction TagsMartial ArtsFull ColorLong StripMale ProtagonistDemons RecommendationsGod of High School