Ken Hasebe

Akiko Yasutomi, an 18-year-old high school student, lives in poverty with her mother Hisako, but she has feelings for her cousin, a medical student named Masato Miki, who lives upstairs. However, when Masato becomes a part-time tutor for Akiko's classmate, Natsuko Shigeno, and Akiko becomes close to Natsuko, Akiko feels lonely. These feelings also help her to lose her purity to Junichi Yoda, whom she met by chance through an accidental mistake.

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.