Warrior of Love Rainbowman was a tokusatsu series created by Kōhan Kawauchi. It was the first superhero TV series produced by Toho Company Ltd., and ran from October 6th 1972 to September 18th 1973 for a total of 52 episodes.

The series focuses on pro wrestler Takeshi Yamato (played by Kunihisa Mizutani), a young man who, after training in India with the yogi sage Devadatta, gains the ability to transform into a superhero called Rainbowman.

Rainbowman possesses seven different superhero forms called “Dashes”, with the seven Dashes representing yin and yang (the Moon and the Sun) and the five elements (wu xing) of ancient Chinese philosophy.

Rainbowman is endowed with a color-coded costume and powers related to that element:

• Dash 1 = Moon (yellow)
• Dash 2 = Fire (red)
• Dash 3 = Water (blue)
• Dash 4 = Wood (green)
• Dash 5 = Metal (gold)
• Dash 6 = Earth (brown)
• Dash 7 = Sun (white)