Yasuko Nakada (Nakada Yasuko) was born February 18, 1933 in Matsumoto city, Nagano. She entered Matsumoto Kasei girls school (current Matsumoto Misuzugaoka high school) in 1946. In 1951 she entered Takarazuka Music School and in the following year she became a member of Takarazuka Musical Team. Her stage name at the time was Shinobu Yukari which her parents named. She left Takarazuka in 1954 and joined Nichigeki Dancing Team. She left Nichigeki in 1955 and started appear in drama for the NHK broadcasting station. In 1956 she joined Toho movie studio, and appeared in Rodan as a honey mooner. In 1958 she met the then president of Daiei movie corporation Masaichi Nagata at the Southeast Asia movie festival. They became an item while Nagata was 27 years her senior, and started to star in many of Daiei's movies. In 1964 she decided to break up with Nagata, and left Daiei and retired from film acting.

In 1971 she returned to her home town of Matsumoto city, and found a job at the National hospital. She married a doctor there and had a son, but due to problems with the in laws, she divorced. Nakada had the custody of her son. In 1973, she opened a jazz dance studio in Nagano. In 1989 she moved her dance studio to Atami city, Shizuoka and remains there to this day.