Nanairo Kamen Season 1 (1959)

Episode 1

The hero of this series is a young detective named Kotarō Ran, unknown to anyone (even his friends), is a master of disguise, utilizing seven different personalities. Most of his disguises are odd characters, like a magician and a cigar-smoking Indian, but Kotarō's 7th disguise is the 2-gun-toting caped, golden-masked superhero, Seven Color Mask!

Episode 2

Episode 3