Zerozaki Hitoshiki no Ningen Kankei: Niounomiya Izumu to no Kankei Anime Details and Episodes The Zerozaki Clan is a family of demonic killers, ranked third among the Killing Names. Zerozaki Hitoshiki, who attends junior high school with the name… Series info · Watch free · Trending anime · Airing schedule FormatNovelStatusFinishedSourceOriginalCountryJapan Action · Comedy · Psychological Zerozaki Magashiki no Ningen Ningen (Prequel) · Zerozaki Hitoshiki no Ningen Kankei: Mutou Iori to no Kankei (Sequel) Hitoshiki Zerozaki · Yuma Shisei (Supporting) · Shiogi Hagihara (Supporting) · Tamamo Saijou (Supporting) · Izumu Niounomiya