Seiho Shirakawa

Four taxi drivers are found dead in four days. Suddenly, a taxi, trying to avoid hitting a patrol car, veers off and hits a tree. Three men run out and escape. From inside the truck comes the body of the taxi driver.

A tragic drama - a dismembered torso of a woman rises up on the banks of the Arakawa River. The body is only the torso. Her legs were discovered on the opposite bank. The only clue, a man was trying to throw something in from a car with a license plate number three days ago at Shin-Arakawa Ohashi Bridge...

Seven Color Mask (七色仮面, Nanairo Kamen) is the name and title character of a tokusatsu TV series, later called New Seven Color Mask (新七色仮面, Shin Nanairo Kamen). It was created by Kōhan Kawauchi, who also created Moonlight Mask. This B&W TV show was the first superhero TV series by Toei Company Ltd. It was broadcast on NET (now TV Asahi) from June 3, 1959 to June 30, 1960, with a total of 57 episodes divided into 7 segments. Aside from being Toei's first TV superhero show, this series was also the debut of actor Sonny Chiba, who was 19 at the time, who took over the title role from Susumu Namijima after Episode 32.