Black 6 by Takaharu Kusunoki - assistant to Jiro Kuwata - Shõnen Club

Takaharu Kusunoki started out as a mangaka in 1955 and soon became assistant to Jiro Kuwata - He was responsible for producing the main animation for the anime of "8 Man" and in charge of the manga version of the 1966 masterpiece 'Yusei Kamen'

His list of Manga is impressive;
Crimson Zero Sentai (1957), Hajiki bastard, Devilish Boy (Shonen 1959), Moonlight Mask (Shonen Club 1960-61), Lightning Man, Whirlwind Jiro, Fearful Mummy, Atomic Goro, 8 Man [final episode (1965)], Mutant Island, Planet Mask...