Zerozaki Hitoshiki no Ningen Kankei: Mutou Iori to no Kankei Anime Details and Episodes The Zerozaki Clan is a family of demonic killers, ranked third among the Killing Names. Having just become siblings, Zerozaki Hitoshiki and Mutou Iori… Series info · Watch free · Trending anime · Airing schedule FormatNovelStatusFinishedSourceOriginalCountryJapan Action · Comedy · Psychological Zerozaki Hitoshiki no Ningen Kankei: Niounomiya Izumu to no Kankei (Prequel) · Zerozaki Hitoshiki no Ningen Kankei: Zerozaki Soushiki to no Kankei (Sequel) Jun Aikawa (Supporting) · Hitoshiki Zerozaki · Moeta Ishinagi (Supporting) · Houko Yamiguchi (Supporting) · Iori Mutou