Arima Yumiko

Mitsuko is a 26 year-old-housewife living in a happy but poor family. Although her husband Suzuki has to work hard, they're still in debts. Fortunately, an agent of talent company found Mitsuko and invited her to become a 16 year-old idol! From now on, Mitsuko will be Hoshi Hikari - a highschool idol, and she has to keep this secret from her husband.