Useless Onmyojis Details Casts Galleries Posters Season Lists Title Useless Onmyojis Genres Animation Comedy First Air Date 2019-04-27 Last Air Date 2021-12-16 Episode Runtime 00 Hours 05 Minutes Total Season(s) 3 Total Episode(s) on All Seasons 36 Runtime 5 Production Companies Unknown Jie Zhang... ... Ding Dang... ... Yang Ning... ... Original Size (1280x720) Original Size (500x750) Season 1 12 Episode(s) 2019-04-27 Season 2 12 Episode(s) 2020-07-15 Season 3 12 Episode(s) 2021-09-30