
Quick answer — Kazushi Hagiwara worked on BASTARD!! -Heavy Metal, Dark Fantasy- Hell’s Requiem Arc (Original Creator), BASTARD!! -Heavy Metal, Dark Fantasy- (Original Creator), Bastard!! (Original Creator) and 1 more anime.
Kazushi Hagiwara worked on BASTARD!! -Heavy Metal, Dark Fantasy- Hell’s Requiem Arc (Original Creator), BASTARD!! -Heavy Metal, Dark Fantasy- (Original Creator), Bastard!! (Original Creator), Endride (Original Character Design).