The Showa era, when Momoe Yamaguchi reigned. It's easy to understand and very nostalgic to see the changes in the entertainment world after 1970, when stars transformed into idols. Among them, Momoe Yamaguchi was a unique singer and actress who rose from idol to star. She also graced the cover of Myojo magazine many times, indicating her popularity, and it's all in color, a must-see for Momoe fans. The article about how the entertainment world changed after Momoe Yamaguchi left is interesting.